Infrastructure Image Gallery

Infrastructure Image Gallery

A bottom pressure-tilt instrument is installed at the Eastern Caldera Site on the summit of Axial Seamount. Image Credit: VISIONS'13, UW/OOI/CSSF; Dive R1617; V13.
A bottom pressure-tilt instrument is installed at the Eastern Caldera Site on the summit of Axial Seamount. Image Credit: VISIONS'13, UW/OOI/CSSF; Dive R1617; V13.
The ROV ROPOS installing a bottom-pressure tilt instrument at the summit of Axial Seamount to measure inflation and deflation of the volcano. Credit: UW/NSF-OOI/CSSF; ROPOS dive R1726.
The ROV ROPOS installing a bottom-pressure tilt instrument at the summit of Axial Seamount to measure inflation and deflation of the volcano. Credit: UW/NSF-OOI/CSSF; ROPOS dive R1726.
The bottom pressure and tilt instrument (BOPT), designed by Bill Chadwick of Oregon State University, being deployed onto the seafloor at Axial Seamount by ROPOS as part of the VISIONS'13 expedition. Credit: UW/OOI-NSF/CSSF; V13.
The bottom pressure and tilt instrument (BOPT), designed by Bill Chadwick of Oregon State University, being deployed onto the seafloor at Axial Seamount by ROPOS as part of the VISIONS'13 expedition. Credit: UW/OOI-NSF/CSSF; V13.
Deployment of the Bottom Pressure and Tilt meter off the side of the R/V Thompson in 2013. Credit: M. Elend, University of Washington. V13.
Deployment of the Bottom Pressure and Tilt meter off the side of the R/V Thompson in 2013. Credit: M. Elend, University of Washington. V13.
Ash (glass shards) rest atop a leveling component on the bottom pressure tilt instrument at the Central Caldera site. Credit: UW/NSF-OOI/CSSF. V15
Ash (glass shards) rest atop a leveling component on the bottom pressure tilt instrument at the Central Caldera site. Credit: UW/NSF-OOI/CSSF. V15
A broadband seismometer and hydrophone are rigged for installation at the summit of Axial Seamount during VISIONS'14. University of Washington, V14.
A broadband seismometer and hydrophone are rigged for installation at the summit of Axial Seamount during VISIONS'14. University of Washington, V14.
A broadband seismometer and a low-frequency hydrophone placed on a flat basaltic plateau at the Axial Seamount Central Caldera Site, awaiting connection to medium power J-Box MJ03F. On a follow-on dive a 4.6-km cable will be installed. This area is of particular interest because the caldera floor is rapidly being uplifted, suggesting that melt is migrating into the magma chamber below. Credit: UW/NSF-OOI//CSSF; ROPOS Dive R1725; V14.
A broadband seismometer and a low-frequency hydrophone placed on a flat basaltic plateau at the Axial Seamount Central Caldera Site, awaiting connection to medium power J-Box MJ03F. On a follow-on dive a 4.6-km cable will be installed. This area is of particular interest because the caldera floor is rapidly being uplifted, suggesting that melt is migrating into the magma chamber below. Credit: UW/NSF-OOI//CSSF; ROPOS Dive R1725; V14.
The broadband seismometer and hydrophone being installed at the Central Caldera site on Axial Seamount. Credit: UW/NSF-OOI/CSSF; V14
The broadband seismometer and hydrophone being installed at the Central Caldera site on Axial Seamount. Credit: UW/NSF-OOI/CSSF; V14
The ROV ROPOS places bags of pea gravel around the broadband seismometer to decrease "noise" from currents etc. Credit: UW/NSF-OOI/CSSF, V15.
The ROV ROPOS places bags of pea gravel around the broadband seismometer to decrease "noise" from currents etc. Credit: UW/NSF-OOI/CSSF, V15.
A broadband seismometer installed at Eastern Caldera is coupled to a low-frequency hydrohone. Bags of pea gravel decrease "noise" from currents. Credit: UW/NSF-OOI//CSSF; ROPOS Dive R1722; V14.
A broadband seismometer installed at Eastern Caldera is coupled to a low-frequency hydrohone. Bags of pea gravel decrease "noise" from currents. Credit: UW/NSF-OOI//CSSF; ROPOS Dive R1722; V14.
The Broadband Ocean Bottom Seismometer OBSBKA301 was deployed near MJ03A during Visions'14. The seismometer was placed into a caisson, then surrounded with silicone beads to solidify its position. Photo credit: NSF-OOI/UW/CSSF; Dive R1739; V14.
The Broadband Ocean Bottom Seismometer OBSBKA301 was deployed near MJ03A during Visions'14. The seismometer was placed into a caisson, then surrounded with silicone beads to solidify its position. Photo credit: NSF-OOI/UW/CSSF; Dive R1739; V14.
A low-frequency hydrophone (black tubular-shaped instrument in tripod with red legs), connected to a broadband seismometer, awaits installation by the ROPOS that will install this sensor in the International District 2 Site. Pea gravel bags in the background will be piled over the broadband to dampen any noise by local currents. Credit: Mitch Elend, University of Washington, V14.
A low-frequency hydrophone (black tubular-shaped instrument in tripod with red legs), connected to a broadband seismometer, awaits installation by the ROPOS that will install this sensor in the International District 2 Site. Pea gravel bags in the background will be piled over the broadband to dampen any noise by local currents. Credit: Mitch Elend, University of Washington, V14.
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A broadband seismometer installed inside a buried caisson at Southern Hydrate Ridge by the ROV ROPOS. A follow-on dive will fill the caisson with silica beads, which dampens noise. The broadband and low frequency hydrophone is installed here to detect both large and small earthquakes that may impact the release of methane gas into the hydrosphere. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1779; V14.
ROPOS using a suction tube to vacuum out the caisson for the broadband seismometer at Axial Base. Credit: UW/NSF-OOI/CSSF, ROPOS Dive 1739, V14
ROPOS using a suction tube to vacuum out the caisson for the broadband seismometer at Axial Base. Credit: UW/NSF-OOI/CSSF, ROPOS Dive 1739, V14
Replacing the caisson cover at Southern Hydrate Ridge, after inspecting the eventual deployment location of a seismometer at that site. The caisson (the hole in the sediment at center) was excavated using a suction tube attached to the ROV during a previous expedition. Credit: UW/NSF-OOI//CSSF, ROPOS ROPOS Dive R1750, V14.
Replacing the caisson cover at Southern Hydrate Ridge, after inspecting the eventual deployment location of a seismometer at that site. The caisson (the hole in the sediment at center) was excavated using a suction tube attached to the ROV during a previous expedition. Credit: UW/NSF-OOI//CSSF, ROPOS ROPOS Dive R1750, V14.
A seismometer (in titanium housing) sitting in the caisson just prior to burial in silica beads, which enhances coupling to the seafloor, providing better resolution data. Photo credit: NSF-OOI/UW/CSSF; Dive R1751; V14.
A seismometer (in titanium housing) sitting in the caisson just prior to burial in silica beads, which enhances coupling to the seafloor, providing better resolution data. Photo credit: NSF-OOI/UW/CSSF; Dive R1751; V14. Creative Commons License
A Starry Flounder hangs out during installation of short-period seismometers at Southern Hydrate Ridge. Credit: UW/NSF-OOI//CSSF; ROPOS Dive R1769; V14.
A Starry Flounder hangs out during installation of short-period seismometers at Southern Hydrate Ridge. Credit: UW/NSF-OOI//CSSF; ROPOS Dive R1769; V14.
The ROV ROPOS suctions sediment out of a caisson for installation of a broadband seismometer. Once in place the caisson will be filled with silica beads to create a quiet environment. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1627; V14.
The ROV ROPOS suctions sediment out of a caisson for installation of a broadband seismometer. Once in place the caisson will be filled with silica beads to create a quiet environment. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1627; V14.
ROPOS lowering the Slope Base seismometer into the previously excavated caisson. After deployment, the caisson was filled with glass beads to couple the seismometer to the seafloor. The attached hydrophone tripod is being held in the starboard arm of ROPOS, and was deployed alongside. Photo Credit: NSF-OOI/UW/CSSF, Dive R1751, VISIONS14
ROPOS lowering the Slope Base seismometer into the previously excavated caisson. After deployment, the caisson was filled with glass beads to couple the seismometer to the seafloor. The attached hydrophone tripod is being held in the starboard arm of ROPOS, and was deployed alongside. Photo Credit: NSF-OOI/UW/CSSF, Dive R1751, VISIONS14
A caisson lid at Southern Hydrate Ridge decorated with an octopus and a Basho haiku during a previous VISIONS cruise. Credit: UW/NSF-OOI//CSSF, ROPOS Dive R1750, V14.
A caisson lid at Southern Hydrate Ridge decorated with an octopus and a Basho haiku during a previous VISIONS cruise. Credit: UW/NSF-OOI//CSSF, ROPOS Dive R1750, V14.
This short-period seismometer was deployed on a flat sheet flow ~ 1.3 km east of the ASHES hydrothermal field in 2013. The black ball in the yellow circle shows that it is perfectly level, helping to insure that the highest quality data comes off of this network. Axial Volcano is likely to be quite seismically active and we are anxious to get the real-time data on shore next year. This will help us understand magma and fluid migration in the subsurface of the volcano...and eventually these data may help us predict an eruption. Several earthquakes were detected in real-time during testing of these seismometers in 2013. Credit: UW/NSF-OOI/CSSF, ROPOS Dive R1635; V13.
This short-period seismometer was deployed on a flat sheet flow ~ 1.3 km east of the ASHES hydrothermal field in 2013. The black ball in the yellow circle shows that it is perfectly level, helping to insure that the highest quality data comes off of this network. Axial Volcano is likely to be quite seismically active and we are anxious to get the real-time data on shore next year. This will help us understand magma and fluid migration in the subsurface of the volcano...and eventually these data may help us predict an eruption. Several earthquakes were detected in real-time during testing of these seismometers in 2013. Credit: UW/NSF-OOI/CSSF, ROPOS Dive R1635; V13.
Part of the work required to properly install a seismometer on the seafloor is to ensure that the instrument is level. The yellow disk, shown here, is placed on the seismometer by ROPOS. The legs of the seismometer platform are then adjusted until a level reading is achieved. Credit: UW/NSF-OOI/CSSF; ROPOS, Dive 1617, V14. Credit: NSF-OOI/UW/CSSF
Part of the work required to properly install a seismometer on the seafloor is to ensure that the instrument is level. The yellow disk, shown here, is placed on the seismometer by ROPOS. The legs of the seismometer platform are then adjusted until a level reading is achieved. Credit: UW/NSF-OOI/CSSF; ROPOS, Dive 1617, V14. Credit: NSF-OOI/UW/CSSF
During ROPOS Dive R1730, the UW-RCA high-definition video camera was tested successfully. The camera was installed in 2013 and 1-year later it worked extremely well. A test 3-D thermistor array (bottom right) that was installed last year rests on a diffuse flow site, covered in microbial filaments. To the left, a cabled 3-D thermistor array will replace the uncabled system. Credit: UW/NSF-OOI/CSSF; Dive ROPOS R1730; V14.
During ROPOS Dive R1730, the UW-RCA high-definition video camera was tested successfully. The camera was installed in 2013 and 1-year later it worked extremely well. A test 3-D thermistor array (bottom right) that was installed last year rests on a diffuse flow site, covered in microbial filaments. To the left, a cabled 3-D thermistor array will replace the uncabled system. Credit: UW/NSF-OOI/CSSF; Dive ROPOS R1730; V14.
A short-period seismometer (OBSSPA301) is installed ~1.3 km east of the ASHES hydrothermal field. A cable connects to a medium power junction box in the field. During testing with ROPOS, this seismometer recorded a small earthquake. Credit: UW/NSF-OOI/CSSF, ROPOS Dive R1640; V13.
A short-period seismometer (OBSSPA301) is installed ~1.3 km east of the ASHES hydrothermal field. A cable connects to a medium power junction box in the field. During testing with ROPOS, this seismometer recorded a small earthquake. Credit: UW/NSF-OOI/CSSF, ROPOS Dive R1640; V13.
A short-period seismometer being installed on a sheet flow at the summit of Axial Seamount to measure seismic events. Credit: UW/NSF-OOI/CSSF, V14.
A short-period seismometer being installed on a sheet flow at the summit of Axial Seamount to measure seismic events. Credit: UW/NSF-OOI/CSSF, V14.
A short-period seismometer was installed and connected to a junction box in the International District hydrothermal field at the summit of Axial Seamount. Photo credit: NSF-OOI/UW/CSSF; Dive R1719; V14.
A short-period seismometer was installed and connected to a junction box in the International District hydrothermal field at the summit of Axial Seamount. Photo credit: NSF-OOI/UW/CSSF; Dive R1719; V14.
On July 4, the Regional Cabled Array high definition camera, built by the UW, was reinstalled at the actively venting chimney 'Mushroom' in the ASHES hydrothermal field on Axial Seamount. Credit: UW/NSF-OOI/WHOI, V18.
On July 4, the Regional Cabled Array high definition camera, built by the UW, was reinstalled at the actively venting chimney 'Mushroom' in the ASHES hydrothermal field on Axial Seamount. Credit: UW/NSF-OOI/WHOI, V18.
The RCA high definition camera at the base of the hydrothermal vent called Mushroom. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1636; V13.
The RCA high definition camera at the base of the hydrothermal vent called Mushroom. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1636; V13.
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The high definition camera, built by the UW Applied Physics Lab, was reinstalled in 2016 during the VISIONS'16 cruise. The prior camera had been streaming video live to shore for two years. The camera was recovered to clear the outer window of biofouling. The camera is located at the hydrothermal chimney called Mushroom in the ASHES hydrothermal field on Axial Seamount. Video are streamed live from ~5000 ft down and >300 miles offshore onto the Internet 8 times a day. Credit: UW/NSF-OOI/WHOI; V16.
The high definition camera, built by the UW Applied Physics Lab, was reinstalled in 2016 during the VISIONS'16 cruise. The prior camera had been streaming video live to shore for two years. The camera was recovered to clear the outer window of biofouling. The camera is located at the hydrothermal chimney called Mushroom in the ASHES hydrothermal field on Axial Seamount. Video are streamed live from ~5000 ft down and >300 miles offshore onto the Internet 8 times a day. Credit: UW/NSF-OOI/WHOI; V16.
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A new high definition camera was installed at the hydrothermal vent called 'Mushroom' in the ASHES hydrothermal field atop Axial Volcano. The camera, built by the UW Applied Physics Lab, was tested today and streamed live HD imagery >300 miles back to shore from a water depth of >5000 m. Credit: Credit: NSF-OOI/UW/ISS; Dive R1835; V15.
A new high definition camera was installed at the hydrothermal vent called 'Mushroom' in the ASHES hydrothermal field atop Axial Volcano. The camera, built by the UW Applied Physics Lab, was tested today and streamed live HD imagery >300 miles back to shore from a water depth of >5000 m. Credit: Credit: NSF-OOI/UW/ISS; Dive R1835; V15.
The ROV Jason 'looks' at a hybrid underwater wet-mate connector that connects the high definition camera to a ~ 4 km long extension cabled attached to Primary Node PN3B at the summit of Axial Seamount. This connection provides a 10 Gbs communication path to the terrestrial Internet located ~300 miles to the east. White bacterial mats line fractures in the lava-covered seafloor where diffusely flowing fluids are exiting the seafloor. Credit: UW/NSF-OOI/WHOI; V16.
The ROV Jason 'looks' at a hybrid underwater wet-mate connector that connects the high definition camera to a ~ 4 km long extension cabled attached to Primary Node PN3B at the summit of Axial Seamount. This connection provides a 10 Gbs communication path to the terrestrial Internet located ~300 miles to the east. White bacterial mats line fractures in the lava-covered seafloor where diffusely flowing fluids are exiting the seafloor. Credit: UW/NSF-OOI/WHOI; V16.
The 3D thermistor array designed by RCA Project Scientist Giora Proskurowski is attached to the Medium Powered J-Box (MJ03B) in the ASHES hydrothermal field. The array will be tested on a follow-on dive, and in 2014 it will be deployed in a diffuse flow site at the base of the vent called Mushroom, along with a high-definition video camera and an osmo vent fluid sampler. Credit: UW/NSF-OOI/CSSF; V13.
The 3D thermistor array designed by RCA Project Scientist Giora Proskurowski is attached to the Medium Powered J-Box (MJ03B) in the ASHES hydrothermal field. The array will be tested on a follow-on dive, and in 2014 it will be deployed in a diffuse flow site at the base of the vent called Mushroom, along with a high-definition video camera and an osmo vent fluid sampler. Credit: UW/NSF-OOI/CSSF; V13.
A 3D thermistor array installed by the actively venting chimney called Mushroom. The array is in a diffuse flow site. Credit: UW/NSF_OOI/CSSF; ROPOS DIve R1730, V14.
A 3D thermistor array installed by the actively venting chimney called Mushroom. The array is in a diffuse flow site. Credit: UW/NSF_OOI/CSSF; ROPOS DIve R1730, V14.
During VISIONS'13 ROPOS Dive R1636, the battery-powered version of the thermistor array was deployed at a small diffuse flow site at the base of the hydrothermal chimney called Mushroom. The thermistor array will provide a 3-dimensional view of the temperature structure at this site, which will help inform the community about the environmental conditions under which the biological assemblages thrive and evolve. Credit: UW/OOI-NSF/CSSF; ROPOS Dive R1636, V13.
During VISIONS'13 ROPOS Dive R1636, the battery-powered version of the thermistor array was deployed at a small diffuse flow site at the base of the hydrothermal chimney called Mushroom. The thermistor array will provide a 3-dimensional view of the temperature structure at this site, which will help inform the community about the environmental conditions under which the biological assemblages thrive and evolve. Credit: UW/OOI-NSF/CSSF; ROPOS Dive R1636, V13.
A 3D thermistor array designed by RSN Project Scientist Dr. Giora Proskurowski is deployed in the ASHES vent field for testing. A similar system will be deployed and powered up next summer, providing real-time 24/7 temperature data over the Internet for all to use/see. The blue cable holds 24 temperature sensors and was provided by RBR Ltd. The array will be placed in a diffuse flow site at the base of the vent called Mushroom, a site hosting abundant vent fauna. These data, coupled with seismic information, fluid chemistry, and HD imagery will be used to see how these systems evolve over time and how earthquakes influence chemical and biological processes. VISIONS '13, Leg 4   Photo credit: NSF-OOI/UW/CSSF
A 3D thermistor array designed by RSN Project Scientist Dr. Giora Proskurowski is deployed in the ASHES vent field for testing. A similar system will be deployed and powered up next summer, providing real-time 24/7 temperature data over the Internet for all to use/see. The blue cable holds 24 temperature sensors and was provided by RBR Ltd. The array will be placed in a diffuse flow site at the base of the vent called Mushroom, a site hosting abundant vent fauna. These data, coupled with seismic information, fluid chemistry, and HD imagery will be used to see how these systems evolve over time and how earthquakes influence chemical and biological processes. VISIONS '13, Leg 4   Photo credit: NSF-OOI/UW/CSSF
A 3D temperature (thermistor) array housing 24 sensors rests above a small diffuse flow site a few meters away from the actively venting black smoker edifice called Mushroom in the ASHES hydrothermal field on Axial Seamount. This cabled instrument was designed and built by G. Proskurowski, UW School of Oceanography. Limpets have colonized the frame and cable housing the thermistors. An osmotic fluid sampler is inserted into the diffuse flow site to obtain chemistry coregistered with temperature. Credit: UW/NSF-OOI/WHOI; V16. 
A 3D temperature (thermistor) array housing 24 sensors rests above a small diffuse flow site a few meters away from the actively venting black smoker edifice called Mushroom in the ASHES hydrothermal field on Axial Seamount. This cabled instrument was designed and built by G. Proskurowski, UW School of Oceanography. Limpets have colonized the frame and cable housing the thermistors. An osmotic fluid sampler is inserted into the diffuse flow site to obtain chemistry coregistered with temperature. Credit: UW/NSF-OOI/WHOI; V16. 
A thermistor array with 24 temperature sensors beining installeed in the ASHES hydrothermal field. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1798, V14.
A thermistor array with 24 temperature sensors beining installeed in the ASHES hydrothermal field. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1798, V14.
An Osmotic fluid sampler is installed in a small diffuse flow site hosting abundant tubeworms, limpets, and palm worms in the ASHES hydrothermal fluid. When recovered next year, the fluids this sampler host will provide information on how vent fluid chemistry changes over time. The nozzle iis installed inside a triangular 3D thermistor array is Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1835; V15.
An Osmotic fluid sampler is installed in a small diffuse flow site hosting abundant tubeworms, limpets, and palm worms in the ASHES hydrothermal fluid. When recovered next year, the fluids this sampler host will provide information on how vent fluid chemistry changes over time. The nozzle iis installed inside a triangular 3D thermistor array is Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1835; V15.
The digital still camera (CAMDSB103) sits atop a small, heavily sedimented rampart in front of the actively venting methane seep Einstein's Grotto at the summit of Southern Hydrate Ridge. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1767; V14.
The digital still camera (CAMDSB103) sits atop a small, heavily sedimented rampart in front of the actively venting methane seep Einstein's Grotto at the summit of Southern Hydrate Ridge. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1767; V14.
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The digital still camera deployed the Oregon Offshore site (600 m). Photo Credit: UW/NSF-OOI/CSSF, ROPOS Dive 1747, V14.
The digital still camera deployed the Oregon Offshore site (600 m). Photo Credit: UW/NSF-OOI/CSSF, ROPOS Dive 1747, V14.
The undervator as found on the sea floor.  Credit: UW/NSF-OOI/WHOI, V18.
The undervator as found on the sea floor.  Credit: UW/NSF-OOI/WHOI, V18.
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Photo of the recovered undervator, with ROV Jason, and Res Tech Josh Manger in the background. Credit: R. Centurion, University of Washington, V18
Photo of the recovered undervator, with ROV Jason, and Res Tech Josh Manger in the background. Credit: R. Centurion, University of Washington, V18
The R/V Revelle transits to Axial Seamount at the beginning of Leg 2 of the NSF-OOI-UW Cabled Array VISIONS18 cruise. Credit: E. Hudson, University of Washington, V18.
The R/V Revelle transits to Axial Seamount at the beginning of Leg 2 of the NSF-OOI-UW Cabled Array VISIONS18 cruise. Credit: E. Hudson, University of Washington, V18.
Since the late summer, 2015, each of the three cabled Shallow Profiler Mooring winched science pods have made >7000 cycles from 600 ft water depth to just beneath the oceans' surface. Real-time command and control of these systems through the Internet provides response capabilites such that the science pods can be stopped to take key measurements in response to events that include the passing over of biologically-rich thin layers. Credit: University of Washington, NSF-OOI/ROPOS, V15.
Since the late summer, 2015, each of the three cabled Shallow Profiler Mooring winched science pods have made >7000 cycles from 600 ft water depth to just beneath the oceans' surface. Real-time command and control of these systems through the Internet provides response capabilites such that the science pods can be stopped to take key measurements in response to events that include the passing over of biologically-rich thin layers. Credit: University of Washington, NSF-OOI/ROPOS, V15.
The first look at the Shallow Profiler Mooring after a successful deployment at Oregon Offshore. Credit: UW/NSF-OOI/WHOI, V18.
The first look at the Shallow Profiler Mooring after a successful deployment at Oregon Offshore. Credit: UW/NSF-OOI/WHOI, V18.
A Shallow Profiler winched science pod and stationary platform, which host 18 instruments (e.g. pH, CO2, temperature, chlorophyll, zooplankton, nutrients, currents) undergoes testing in the School of Oceanography saltwater tank. The platforms will be deployed 600 ft beneath the oceans surface. Since 2015, three of these pods have made >27,000 profiles, providing unprecedented measurements of our dynamic ocean in real-time. Credit: D. Kelley, University of Washington.
A Shallow Profiler winched science pod and stationary platform, which host 18 instruments (e.g. pH, CO2, temperature, chlorophyll, zooplankton, nutrients, currents) undergoes testing in the School of Oceanography saltwater tank. The platforms will be deployed 600 ft beneath the oceans surface. Since 2015, three of these pods have made >27,000 profiles, providing unprecedented measurements of our dynamic ocean in real-time. Credit: D. Kelley, University of Washington.
A first glimpse of the shallow winched profiler coming out of its docking station at the base of Axial Seamount. NSF/OOI/UW/ISS; Dive R1842; V15.
A first glimpse of the shallow winched profiler coming out of its docking station at the base of Axial Seamount. NSF/OOI/UW/ISS; Dive R1842; V15.
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Alex Andronikides from Queens College, New York helps clean a Shallow Profiler Mooring science pod that was installed off the Oregon coast in 2016. Credit: M. Elend, University of Washington, V17.
Alex Andronikides from Queens College, New York helps clean a Shallow Profiler Mooring science pod that was installed off the Oregon coast in 2016. Credit: M. Elend, University of Washington, V17.
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Triana Litchendorf, an engineer with the UW Applied Physics Laboratory observes the Science Pod recovered after a year at 200-50 m beneat the oceans surface. It is covered in biological communities that include smalle scallops and a barnacle. Credit: M. Elend, University of Washington, V17.
Triana Litchendorf, an engineer with the UW Applied Physics Laboratory observes the Science Pod recovered after a year at 200-50 m beneat the oceans surface. It is covered in biological communities that include smalle scallops and a barnacle. Credit: M. Elend, University of Washington, V17.
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The fantail of the R/V Thompson as it enters Newport, Oregon at the end of Leg 1. Most of the equipment is platforms and instruments installed in 2015 and recovered during Leg 1. Credit. Skip Denny, University of Washington.
The fantail of the R/V Thompson as it enters Newport, Oregon at the end of Leg 1. Most of the equipment is platforms and instruments installed in 2015 and recovered during Leg 1. Credit. Skip Denny, University of Washington.
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This science pod was cut loose from the Axial Base Shallow Profiler mooring on Sunday morning and was throughly cleaned by an eager group of students. The growth visible on the pod comes after just one year in the water, and since many of the instruments on the pod require unobstructed intake lines for sampling, the pods must be replaced yearly. 
This science pod was cut loose from the Axial Base Shallow Profiler mooring on Sunday morning and was throughly cleaned by an eager group of students. The growth visible on the pod comes after just one year in the water, and since many of the instruments on the pod require unobstructed intake lines for sampling, the pods must be replaced yearly. 
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The Shallow Profiler Mooring 12-ft across, 7 ton platform hosts a new Science Pod (left) and Platform Interface Assembly (PIA, right) installed on Jason Dive J2-917 as part of the annual maintenance operations for these moorings. The 'mother' platform sprouts a variety of life that was not present last year when we turned the Science Pod and PIA. Credit: UW/OOI-NSF/WHOI; V16.
The Shallow Profiler Mooring 12-ft across, 7 ton platform hosts a new Science Pod (left) and Platform Interface Assembly (PIA, right) installed on Jason Dive J2-917 as part of the annual maintenance operations for these moorings. The 'mother' platform sprouts a variety of life that was not present last year when we turned the Science Pod and PIA. Credit: UW/OOI-NSF/WHOI; V16.
The new instrumented science pod, all bright and shiney, is installed on the Shallow Profiler Mooring at Axial Base. Credit: UW/OOI-NSF/WHOI, V16.
The new instrumented science pod, all bright and shiney, is installed on the Shallow Profiler Mooring at Axial Base. Credit: UW/OOI-NSF/WHOI, V16.
A line of shallow winched profilers and instrumented platform interface assemblies await installation on  2-legged Shallow Profiler Moorings that provide real-time data on chemical, biological, and physical properties of ocean waters off the coast of Oregon. Credit. Deb Kelley, University of Washington, V15.
A line of shallow winched profilers and instrumented platform interface assemblies await installation on  2-legged Shallow Profiler Moorings that provide real-time data on chemical, biological, and physical properties of ocean waters off the coast of Oregon. Credit. Deb Kelley, University of Washington, V15.
The Science Pod component from the winched shallow profiler comes onboard the R/V Revelle. It was completely free of animal growth when installed summer of 2016. Credit: M. Elend, University of Washington.
The Science Pod component from the winched shallow profiler comes onboard the R/V Revelle. It was completely free of animal growth when installed summer of 2016. Credit: M. Elend, University of Washington.
A side view of the 12 foot-acoss Shallow Profiler platform on a 2700 m-tall, 2 legged mooring with an instrument package in the foreground hosting acoustic doppler current profilers, a digital still camera, and a variety of chemical and biological sensors. The 'head' of the shallow winched profiler science pod rises above the platform in the background. Credit: NSF-OOI/UW/ISS; Dive R1834; V15.
A side view of the 12 foot-acoss Shallow Profiler platform on a 2700 m-tall, 2 legged mooring with an instrument package in the foreground hosting acoustic doppler current profilers, a digital still camera, and a variety of chemical and biological sensors. The 'head' of the shallow winched profiler science pod rises above the platform in the background. Credit: NSF-OOI/UW/ISS; Dive R1834; V15.
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The mooring platform at the Oregon Offshore Site (~600 ft beneath the oceans' surface) abounds with life, supported by the nutrient-rich waters that characterize this area. Small crabs, urchins, and sea stars have colonized the platform since installed in 2014 during the VISIONS'14 cruise. Credit: UW/NSF-OOI/WHOI; J2-919, V16.
The mooring platform at the Oregon Offshore Site (~600 ft beneath the oceans' surface) abounds with life, supported by the nutrient-rich waters that characterize this area. Small crabs, urchins, and sea stars have colonized the platform since installed in 2014 during the VISIONS'14 cruise. Credit: UW/NSF-OOI/WHOI; J2-919, V16.
The ROV Jason surveys the Shallow Profiler platform located ~ 600 ft beneath the oceans' surface. Eighteen instruments on the platform and profiling science pod have been sending data live to shore for a year, all connected to the Internet. Both science pods have now been replaced during the annual, planned maintenance of this system. Operation of this infrastructure takes place at the University of Washington Operations Center in the School of Oceanography. Credit: UW/OOI-NSF/WHOI; V16.
The ROV Jason surveys the Shallow Profiler platform located ~ 600 ft beneath the oceans' surface. Eighteen instruments on the platform and profiling science pod have been sending data live to shore for a year, all connected to the Internet. Both science pods have now been replaced during the annual, planned maintenance of this system. Operation of this infrastructure takes place at the University of Washington Operations Center in the School of Oceanography. Credit: UW/OOI-NSF/WHOI; V16.
A school of small fish greeted the ROV ROPOS during our first visit to this ~ 600 ft deep platform since it was installed in 2014. Credit:  NSF-OOI/UW/ISS; Dive R1832; V15.
A school of small fish greeted the ROV ROPOS during our first visit to this ~ 600 ft deep platform since it was installed in 2014. Credit:  NSF-OOI/UW/ISS; Dive R1832; V15.
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A small shark swims past the mooring platform at the base of Axial Seamount
A small shark swims past the mooring platform at the base of Axial Seamount - the platform is ~ 600 ft beneath the ocean's surface. Credit:  NSF-OOI/UW/ISS; V15.
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Engineers working on a winched profiler system covered in orange syntactic foam flotation
Final preparations on the winched, instrumented Science Pod before it is latched under the belly of the ROV Jason for installation on the Shallow Profiler Mooring at Axial Base. Credit: M. Elend, University of Washington, V16.
Orest Kawka (RSN School of Oceanography Project Scientist) and Trina Litchendorf (RSN APL Engineer) work on the EA Oregon Offshore Shallow Winched Profiler, and Instrument Platform on the fantail of the R/V Thompson. Photo Credit: Mitch Elend, University of Washington; V14.
Orest Kawka (RSN School of Oceanography Project Scientist) and Trina Litchendorf (RSN APL Engineer) work on the EA Oregon Offshore Shallow Winched Profiler, and Instrument Platform on the fantail of the R/V Thompson. Photo Credit: Mitch Elend, University of Washington; V14.
The 13 ft-across platform at the EA Offshore Site (197 m water depth) is visited by the ROV ROPOS prior to installation of the Shallow Profiler and Instrument Platform on a follow-on dive. Photo credit: NSF-OOI/UW/CSSF; Dive R1762; V14.  
The 13 ft-across platform at the EA Offshore Site (197 m water depth) is visited by the ROV ROPOS prior to installation of the Shallow Profiler and Instrument Platform on a follow-on dive. Photo credit: NSF-OOI/UW/CSSF; Dive R1762; V14.  
During the port call for Leg 4 in Newport, Oregon, the UW-APL-built Shallow Winched Profiler was loaded onto the R/V Thompson. The system has an underwater level wind that "spools" out yellow cable, which will provide power and communications to an attached instrument "pod" (orange bulbous-shaped package bottom left). The profiler will be located at a water depth of ~197 m on the already installed mooring at the EA Offshore Site. Several times a day the instrument pod will rise from the 197-m-deep platform to just beneath the ocean's surface making critical chemical and biological measurements. Photo Credit: Skip Denny, APL-UW; V14.
During the port call for Leg 4 in Newport, Oregon, the UW-APL-built Shallow Winched Profiler was loaded onto the R/V Thompson. The system has an underwater level wind that "spools" out yellow cable, which will provide power and communications to an attached instrument "pod" (orange bulbous-shaped package bottom left). The profiler will be located at a water depth of ~197 m on the already installed mooring at the EA Offshore Site. Several times a day the instrument pod will rise from the 197-m-deep platform to just beneath the ocean's surface making critical chemical and biological measurements. Photo Credit: Skip Denny, APL-UW; V14.
The 200-meter platform instrument package is seen here. The mooring was successfully installed during VISIONS'14. Photo Credit: NSF-OOI/UW/CSSF, Dive 1797, V14.
The 200-meter platform instrument package is seen here. The mooring was successfully installed during VISIONS'14. Photo Credit: NSF-OOI/UW/CSSF, Dive 1797, V14.
A side-looking view of the 12 ft-across Shallow Profiler Mooring platform hosting newly installed instrumented science pods. Credit: NSF-OOI/UW/ISS; Dive R1831; V15.
A side-looking view of the 12 ft-across Shallow Profiler Mooring platform hosting newly installed instrumented science pods. Credit: NSF-OOI/UW/ISS; Dive R1831; V15.
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The CTD is sensor in the middle, between the SUNA nitrate sensor (right) and SBE43 oxygen sensor (left). Photo credit: Mitch Eland, UW
The CTD is sensor in the middle, between the SUNA nitrate sensor (right) and SBE43 oxygen sensor (left). Photo credit: Mitch Eland, UW
Project engineer Eric McRae (left) and Jake Maltby test the shallow profiler in a UW saltwater tank. Photo by Mitchell Elend, UW.
Project engineer Eric McRae (left) and Jake Maltby test the shallow profiler in a UW saltwater tank. Photo by Mitchell Elend, UW.
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The Titan manipulators on the ROV Jason conduct complex operations during installation of the Platform Interface Assembly hosting multiple instruments. The PIA is attached to the 200 m deep, 12 foot across platform on the two-legged Shallow Profiler Mooring at Axial Base. Credit: UW/OOI-NSF/WHOI, Dive J911,V16.
The Titan manipulators on the ROV Jason conduct complex operations during installation of the Platform Interface Assembly hosting multiple instruments. The PIA is attached to the 200 m deep, 12 foot across platform on the two-legged Shallow Profiler Mooring at Axial Base. Credit: UW/OOI-NSF/WHOI, Dive J911,V16.
The ROV ROPOS begins its ~600 ft descent to the Shallow Profiler Mooring at the Slope Base site with an instrumented Winched Shallow Profiler 'pod' latched to its underbelly. Credit: Mitch Elend, University of Washington, V15.
The ROV ROPOS begins its ~600 ft descent to the Shallow Profiler Mooring at the Slope Base site with an instrumented Winched Shallow Profiler 'pod' latched to its underbelly. Credit: Mitch Elend, University of Washington, V15.
SBE43 oxygen sensor (left) is shown on the Shallow Profiler Science Pod, which will profile between 200 m and the surface. Photo credit: Mitch Eland (UW)
SBE43 oxygen sensor (left) is shown on the Shallow Profiler Science Pod, which will profile between 200 m and the surface. Photo credit: Mitch Eland (UW)
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The two-legged mooring has been successfully installed at Axial Base. The mooring includes an instrumented platform (12 feet across) at 200 m water depth, and an instrumented winched Shallow Profiler that travels from 200 m to just below the ocean's surface.     
The two-legged mooring has been successfully installed at Axial Base. The mooring includes an instrumented platform (12 feet across) at 200 m water depth, and an instrumented winched Shallow Profiler that travels from 200 m to just below the ocean's surface.     
The two-legged Shallow Profiler Mooring was installed on ROPOS Dive R1753 at the Oregon Offshore Site (600 m). The instrumented winched shallow profiler and platform instrument systems will be installed on Leg 4. Photo credit: NSF-OOI/UW/CSSF; Dive R1753; V14.  
The two-legged Shallow Profiler Mooring was installed on ROPOS Dive R1753 at the Oregon Offshore Site (600 m). The instrumented winched shallow profiler and platform instrument systems will be installed on Leg 4. Photo credit: NSF-OOI/UW/CSSF; Dive R1753; V14.  
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Krill surroung the small "cage" housing the cable connection from the Shallow Profiler at Axial Base to the extension cable connecting the Profiler to the power and communications. Credit: UW/OOI-NSF/WHOI, Dive J910, V16.
Krill surroung the small "cage" housing the cable connection from the Shallow Profiler at Axial Base to the extension cable connecting the Profiler to the power and communications. Credit: UW/OOI-NSF/WHOI, Dive J910, V16.
CGI rendering of a yellow profiler platform and instruments
This platform at 200 m beneath the ocean's surface is on the RSN two-legged mooring. The 12-foot-across platform will host the instrumented Shallow Winched Profiler, as well as an instrument science module on the platform itself (including a digital still camera and ADCP). All data will be streamed in real-time through the seafloor cable and onto the Internet for ingestion and redistribution by the OOI Cyberinfrastructure. (Illustration by Patrick Waite, University of Washington)
CGI rendering of a yellow shallow profiler pod and instruments
This winched shallow profiler science pod with be hosted on the 200-m platform of the RSN two-legged high-bandwidth mooring. The science pod will include numerous chemical and biological sensors, including pH, CO2, and nitrate. The profiler will make several trips through the water column each day, transmitting all data in real-time to the Internet. The two-way communication provided by the Primary Cable will allow adjusments of profiles in response to events of interest and characterization of thin layers. (Illustration by Patrick Waite, University of Washington)
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A hydrophone mast being lifted into position atop a junction box at the Slope Base site. Photo credit: NSF-OOI/UW/CSSF; Dive R1735; V14.
A hydrophone mast being lifted into position atop a junction box at the Slope Base site. Photo credit: NSF-OOI/UW/CSSF; Dive R1735; V14. Creative Commons License
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A Mosquito; flow meter (far left) and osmotic fluid sampler (far right) installed in methane seep at Southern Hydrate Ridge. A second Mosquito, colonized by organisms, awaits recovery. These instruments provide fluid chemistry information, as well as calculations of fluid flow in and out of the seafloor. Credit: UW/NSF-OOI/CSSF; Dive R1772; V14.
A Mosquito; flow meter (far left) and osmotic fluid sampler (far right) installed in methane seep at Southern Hydrate Ridge. A second Mosquito, colonized by organisms, awaits recovery. These instruments provide fluid chemistry information, as well as calculations of fluid flow in and out of the seafloor. Credit: UW/NSF-OOI/CSSF; Dive R1772; V14.
A push core is taken with the ROV ROPOS adjacent to a Mosquit flow meter built by E. Solomon at the University of Washington. The entrapped sediment, pore fluids, and bacterial mats were brought back to the ship for ship- and shore-based analyses. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1772; V14.
A push core is taken with the ROV ROPOS adjacent to a Mosquit flow meter built by E. Solomon at the University of Washington. The entrapped sediment, pore fluids, and bacterial mats were brought back to the ship for ship- and shore-based analyses. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1772; V14.
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An in situ, cabled mass spectrometer is installed at a methane seep at the summit of Southern Hydrate Ridge. The OOI-RCA mass spectrometer was built by Peter Girguis, Harvard University. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1772; V14.
An in situ, cabled mass spectrometer is installed at a methane seep at the summit of Southern Hydrate Ridge. The OOI-RCA mass spectrometer was built by Peter Girguis, Harvard University. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1772; V14.
Hagfish investigate flow meters called Mosquitos at methane seeps at Southern Hydrate Ridge (water depth ~800 m). Data from these instruments allow calculation of the flux of fluids into and out of sediments at this gas hydrate site marked by thick bacterial mats and abundant clams. Credit: UW/NSF-OOI/WHOI; V16.
Hagfish investigate flow meters called Mosquitos at methane seeps at Southern Hydrate Ridge (water depth ~800 m). Data from these instruments allow calculation of the flux of fluids into and out of sediments at this gas hydrate site marked by thick bacterial mats and abundant clams. Credit: UW/NSF-OOI/WHOI; V16.
This instrument, nicknamed a "Mosquito" was deployed in 2011 at the summit of Southern Hydrate Ridge. It will be recovered during VISIONS'13 and replaced by two additional mosquitos. Credit: UW/NSF-OOI/CSSF; V11.
This instrument, nicknamed a "Mosquito" was deployed in 2011 at the summit of Southern Hydrate Ridge. It will be recovered during VISIONS'13 and replaced by two additional mosquitos. Credit: UW/NSF-OOI/CSSF; V11.
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During ROPOS Dive R1729, a digital-still camera (left), a mass spectrometer (middle) and a fluid- and microbial-DNA sampler (right) were installed in the International District Hydrothermal Field at the vent called El Gordo. A titanium "hat" rests on top of the structure in a tubeworm and limpet patch. Inside the "hat" are temperature probes and intake nozzles for the fluid and DNA sampler. Photo credit: NSF-OOI/UW/CSSF; Dive R1729; V14.
During ROPOS Dive R1729, a digital-still camera (left), a mass spectrometer (middle) and a fluid- and microbial-DNA sampler (right) were installed in the International District Hydrothermal Field at the vent called El Gordo. A titanium "hat" rests on top of the structure in a tubeworm and limpet patch. Inside the "hat" are temperature probes and intake nozzles for the fluid and DNA sampler. Photo credit: NSF-OOI/UW/CSSF; Dive R1729; V14. Creative Commons License
A digital still camera (left), mass spectrometer (middle) and a fluid and microbial DNA sampler at the El Gordo vent in the International District Hydrothermal Field measure and sample fluids, animals, and microbes in this active processes within this hydrothermal system to understand linkages amoung seismicity (seismometers extend away from the field), venting and life in this extreme environment. Credit: UW/OOI-NSF/WHOI; Dive J2-212, V16.
A digital still camera (left), mass spectrometer (middle) and a fluid and microbial DNA sampler at the El Gordo vent in the International District Hydrothermal Field measure and sample fluids, animals, and microbes in this active processes within this hydrothermal system to understand linkages amoung seismicity (seismometers extend away from the field), venting and life in this extreme environment. Credit: UW/OOI-NSF/WHOI; Dive J2-212, V16.
A digital still camera (left), mass spectrometer (middle) and hydrothermal fluid and microbial DNA sampler (right) document changes in animal life, gas and fluid chemistry, temperature, and chimney growth at the El Gordo vent site in the International District Hydrothermal Field at the summit of Axial Seamount - water depth is ~ 5000 ft (1500 m). Data are streaming live to shore 24/7. Credit: UW/OOI-NSF/WHOI, V16.
A digital still camera (left), mass spectrometer (middle) and hydrothermal fluid and microbial DNA sampler (right) document changes in animal life, gas and fluid chemistry, temperature, and chimney growth at the El Gordo vent site in the International District Hydrothermal Field at the summit of Axial Seamount - water depth is ~ 5000 ft (1500 m). Data are streaming live to shore 24/7. Credit: UW/OOI-NSF/WHOI, V16.
Close up of the Remote Access Fluid Sampler (RAS) built by D. Butterfield at NOAA-PMEL-UW. A nozzle is installed in an active venting site on the El Gordo chimney. Controlled from shore, or by a mission plan, a pump sucks in hydrothermal fluid into sterile bags (and also onto filters for collection of DNA in a similar system above the RAS). During annual Cabled Array maintenance cruises, this coupled mooring is recovered and collected material analyzed, with results provide at oceanobservatories.org. Credit: UW/NSF-OOI/WHOI; Dive J2-212, V16.
Close up of the Remote Access Fluid Sampler (RAS) built by D. Butterfield at NOAA-PMEL-UW. A nozzle is installed in an active venting site on the El Gordo chimney. Controlled from shore, or by a mission plan, a pump sucks in hydrothermal fluid into sterile bags (and also onto filters for collection of DNA in a similar system above the RAS). During annual Cabled Array maintenance cruises, this coupled mooring is recovered and collected material analyzed, with results provide at oceanobservatories.org. Credit: UW/NSF-OOI/WHOI; Dive J2-212, V16.
A Hydrothermal Vent Cap at the top of the actively venting chimney called ‘El Gordo’, traps high temperature hydrothermal fluid. An intake nozzle from the mass spectrometer allows measurement of gas chemistry in real-time, sending data at the speed of light back to shore. Another nozzle sucks in vent fluids for sampling and for filtering of microbial DNA: the samples fluids and DNA are recovered during annual Cabled Array maintenance cruises for follow-on shore-based analyses. Credit: UW/NSF-OOI/WHOI; Dive J2-912, V16.
A Hydrothermal Vent Cap at the top of the actively venting chimney called ‘El Gordo’, traps high temperature hydrothermal fluid. An intake nozzle from the mass spectrometer allows measurement of gas chemistry in real-time, sending data at the speed of light back to shore. Another nozzle sucks in vent fluids for sampling and for filtering of microbial DNA: the samples fluids and DNA are recovered during annual Cabled Array maintenance cruises for follow-on shore-based analyses. Credit: UW/NSF-OOI/WHOI; Dive J2-912, V16.
The cabled digital still camera streams images of Jason (Dive J2-932) live back to shore in real time as the vehicle works at the active hydrothermal vent called 'El Gordo' in the International District Hydrothermal Field - depth is 1500 m, and >300 miles offshore. The hydrothermal fluid sampler, called the RAS, is shown to the left, which allows fluid samples and temperature to be taken for a year. The instrument can be run in "mission mode" where samples are preprogrammed, or in "sponse mode" where missions are interrupted by operators to take samples - such as was done during the eruption of Axial Seamount in 2015. Credit: UW/OOI-NSF/WHOI, V16.
The cabled digital still camera streams images of Jason (Dive J2-932) live back to shore in real time as the vehicle works at the active hydrothermal vent called 'El Gordo' in the International District Hydrothermal Field - depth is 1500 m, and >300 miles offshore. The hydrothermal fluid sampler, called the RAS, is shown to the left, which allows fluid samples and temperature to be taken for a year. The instrument can be run in "mission mode" where samples are preprogrammed, or in "sponse mode" where missions are interrupted by operators to take samples - such as was done during the eruption of Axial Seamount in 2015. Credit: UW/OOI-NSF/WHOI, V16.
A titanium 'cap' is placed on the top of El Gordo by ROPOS, which focuses the diffuse fluid so that a fluid and microbial DNA sampler can get hydrothermal fluids samples largely undiluted by seawater. The fluid-DNA sampler is in the background. Credit: NSF-OOI/UW/ISS; Dive R1836; V15.
A titanium 'cap' is placed on the top of El Gordo by ROPOS, which focuses the diffuse fluid so that a fluid and microbial DNA sampler can get hydrothermal fluids samples largely undiluted by seawater. The fluid-DNA sampler is in the background. Credit: NSF-OOI/UW/ISS; Dive R1836; V15.
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probe inserted into vent
The wand of the temperature and resistivity sensor is embedded in 1-year old metal sulfide and sulfate minerals precipitated from hot hydrothermal fluid. This novel instrument, built by M. Lilley at the University of Washington, measures real-time changes in fluid temperature and resistivity as an analogue for chlorinity. Boiling vents often emit low-salinity, low pH fluids. Credit: UW/NSF-OOI/WHOI; Dive J2-912, V16.
A temperature-resistivity sensor, with its wand now embedded in a sulfate-rich chimney (white, right) sends real-time data to shore from the Escargot chimney, 5000 ft beneath the oceans' surface and >300 miles offshore. Resistivity is an analogue for fluid chlorinity. Numerous hydrothermal vents in the International District Hydrothermal Field at the summit of Axial Seamount are boiling. Credit. UW/OOI-NSF/WHOI; Dive J2-912, V16.
A temperature-resistivity sensor, with its wand now embedded in a sulfate-rich chimney (white, right) sends real-time data to shore from the Escargot chimney, 5000 ft beneath the oceans' surface and >300 miles offshore. Resistivity is an analogue for fluid chlorinity. Numerous hydrothermal vents in the International District Hydrothermal Field at the summit of Axial Seamount are boiling. Credit. UW/OOI-NSF/WHOI; Dive J2-912, V16.
A temperature probe (HOBO) installed by NOAA last year in the hydrothermal vent ‘Diva’ is now enclosed in the sulfate-rich, white mineral called anhydrite. The high temperature fluids at this site host very high concentrations of carbon dioxide being outgassed from the underlying magma chamber. Credit: UW/OOI-NSF/WHOI; Dive J2-912, V16.
A temperature probe (HOBO) installed by NOAA last year in the hydrothermal vent ‘Diva’ is now enclosed in the sulfate-rich, white mineral called anhydrite. The high temperature fluids at this site host very high concentrations of carbon dioxide being outgassed from the underlying magma chamber. Credit: UW/OOI-NSF/WHOI; Dive J2-912, V16.
A new osmotic fluid sampler is about to be installed in a diffuse flow site hosting a 3D temperature array in the ASHES Hydrothermal Field on the summit of Axial Seamount. Each year, as part of the annual operations and maintenance cruise, a sampler is recovered and a new one installed. Onshore analyses of the entrapped fluids provide insights on the evolution of fluid chemistry in time, in response to changing environmental conditions e.g. earthquakes, temperature, microbial utilization of gases and different elements. Credit: UW/NSF-OOI/WHOI; V16.
A new osmotic fluid sampler is about to be installed in a diffuse flow site hosting a 3D temperature array in the ASHES Hydrothermal Field on the summit of Axial Seamount. Each year, as part of the annual operations and maintenance cruise, a sampler is recovered and a new one installed. Onshore analyses of the entrapped fluids provide insights on the evolution of fluid chemistry in time, in response to changing environmental conditions e.g. earthquakes, temperature, microbial utilization of gases and different elements. Credit: UW/NSF-OOI/WHOI; V16.
A flow meter for hydrothermal vents is deployed at the small Diva chimney, held in the arm of Jason. Here, fluids are issuing the anhydrite-rich structure at ~ 290°C. The flow meter was designed by Leonid Germanovich, Clemson University. Credit: UW/NSF-OOI/WHOI, V18.
A flow meter for hydrothermal vents is deployed at the small Diva chimney, held in the arm of Jason. Here, fluids are issuing the anhydrite-rich structure at ~ 290°C. The flow meter was designed by Leonid Germanovich, Clemson University. Credit: UW/NSF-OOI/WHOI, V18.
Flowmeter taking measurements on the Inferno chimney in ASHES; Credit: UW/NSF-OOI/Jason 2018.
Flowmeter taking measurements on the Inferno chimney in ASHES; Credit: UW/NSF-OOI/Jason 2018.
The Hydrothermal Vent Fluid In-situ Chemistry sensor deployed on Axial vent field via the MJ03C junction box (image from Tan, et. al 2015)
The Hydrothermal Vent Fluid In-situ Chemistry sensor deployed on Axial vent field via the MJ03C junction box (image from Tan, et. al 2015)
A titanium isobaric gas-tight sampler (IGT) is used to sample fluids with dissolved gases in a high temperature vent on the El Gordo metal sulfide chimney located in the International District Hydrothermal Field at ~ 1500 m water depth on Axial Seamount. The base of the cabled RAS fluid sampler and microbial DNA sampler mooring is in the background. Credit: UW/NSF-OOI/WHOI; V16.
A titanium isobaric gas-tight sampler (IGT) is used to sample fluids with dissolved gases in a high temperature vent on the El Gordo metal sulfide chimney located in the International District Hydrothermal Field at ~ 1500 m water depth on Axial Seamount. The base of the cabled RAS fluid sampler and microbial DNA sampler mooring is in the background. Credit: UW/NSF-OOI/WHOI; V16.
The RO ROPOS holds a 'IGT' gas tight bottle in the orifice of the 280°C chimney called Diva. The high temperature fluids exiting the seafloor at this anhydrite-rich (CaSO4) vent contain the highest carbon dioxide concentrations at Axial Seamount. Credit: NSF-OOI/UW/ISS; Dive R1836; V15.
The RO ROPOS holds a 'IGT' gas tight bottle in the orifice of the 280°C chimney called Diva. The high temperature fluids exiting the seafloor at this anhydrite-rich (CaSO4) vent contain the highest carbon dioxide concentrations at Axial Seamount. Credit: NSF-OOI/UW/ISS; Dive R1836; V15.
An HPIES instrument deployed off the starboard side of the R/V Sikuliaq ~ 125 km offshore Newport Oregon near the base of the Subduction Zone at Slope Base. The instrument was released and free fell 2900 m to land softly on the seafloor - the extended legs insure a softer landing and that is stays nearly horizontal as it travels through the water column. This instrument utilizes a bottom pressure sensor, an inverted echosounder and a horizontal electrometer to provide insights into the vertical structure of current fields, near-bottom water currents, and water properties including temperature, salinity, and specific volume anomalies. It was built at the Applied Physics Laboratory. Credit: M. Elend, University of Washington, V16.
An HPIES instrument deployed off the starboard side of the R/V Sikuliaq ~ 125 km offshore Newport Oregon near the base of the Subduction Zone at Slope Base. The instrument was released and free fell 2900 m to land softly on the seafloor - the extended legs insure a softer landing and that is stays nearly horizontal as it travels through the water column. This instrument utilizes a bottom pressure sensor, an inverted echosounder and a horizontal electrometer to provide insights into the vertical structure of current fields, near-bottom water currents, and water properties including temperature, salinity, and specific volume anomalies. It was built at the Applied Physics Laboratory. Credit: M. Elend, University of Washington, V16.
The HPIES instrument is being lowered over the side of the R/V Thompson for installation at the base of Axial Seamount. The HPIES (Horizontal Electrometer Pressure Inverted Echosounder) measures the horizontal electrical field, the bottom pressure, and the acoustic travel time from the seafloor to the sea surface to characterize the properties of the water column.
The HPIES instrument is being lowered over the side of the R/V Thompson for installation at the base of Axial Seamount. The HPIES (Horizontal Electrometer Pressure Inverted Echosounder) measures the horizontal electrical field, the bottom pressure, and the acoustic travel time from the seafloor to the sea surface to characterize the properties of the water column.
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An HPIES instrument is being installed off the starboard side of the R/V Sikuliaq ~ 125 km offshore Newport Oregon near the base of the Subduction Zone. This instrument utilizes a bottom pressure sensor, an inverted echosounder and a horizontal electrometer to provide insights into the vertical structure of current fields, near-bottom water currents, and water properties including temperature, salinity, and specific volume anomalies. It was built at the Applied Physics Laboratory. Credit: M. Elend, University of Washington, V16.
An HPIES instrument is being installed off the starboard side of the R/V Sikuliaq ~ 125 km offshore Newport Oregon near the base of the Subduction Zone. This instrument utilizes a bottom pressure sensor, an inverted echosounder and a horizontal electrometer to provide insights into the vertical structure of current fields, near-bottom water currents, and water properties including temperature, salinity, and specific volume anomalies. It was built at the Applied Physics Laboratory. Credit: M. Elend, University of Washington, V16.
The deployment of the HPIES (Horizontal Electrometer Pressure Inverted Echosounder) instrument off the fantail of the Thompson at the Axial Base site. The instrument was designed to freefall to the seafloor from the surface, and did so successfully. Photo Credit: Ed McNichol, Mumbian Enterprises, Ltd.
The deployment of the HPIES (Horizontal Electrometer Pressure Inverted Echosounder) instrument off the fantail of the Thompson at the Axial Base site. The instrument was designed to freefall to the seafloor from the surface, and did so successfully. Photo Credit: Ed McNichol, Mumbian Enterprises, Ltd.
The Horizontal Electrometer-Pressure-Inverted Echosounder (HPIES -HPIESA101) installed at the Slope Base site. Photo credit: NSF-OOI/UW/CSSF; Dive R1757; V14.  
The Horizontal Electrometer-Pressure-Inverted Echosounder (HPIES -HPIESA101) installed at the Slope Base site. Photo credit: NSF-OOI/UW/CSSF; Dive R1757; V14.  
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The HPIES (Horizontal Electrometer Pressure Inverted Echosounder) instrument on the seafloor at Axial Base site (2600m depth). Photo Credit: NSF-OOI/UW/CSSF, Dive 1739, V14
The HPIES (Horizontal Electrometer Pressure Inverted Echosounder) instrument on the seafloor at Axial Base site (2600m depth). Photo Credit: NSF-OOI/UW/CSSF, Dive 1739, V14
The HPIES instrument at 2900 m water depth as it is about to be recovered by the ROV ROPOS during Leg 2 of the VISIONS'15 expedition. Credit: NSF-OOI/UW/ISS; V15.
The HPIES instrument at 2900 m water depth as it is about to be recovered by the ROV ROPOS during Leg 2 of the VISIONS'15 expedition. Credit: NSF-OOI/UW/ISS; V15.
Removing the pins holding the descent weights onto the HPIES platform at Axial Base. Photo Credit: NSF-OOI/UW/CSSF, Dive 1739, V14
Removing the pins holding the descent weights onto the HPIES platform at Axial Base. Photo Credit: NSF-OOI/UW/CSSF, Dive 1739, V14
The HPIES experiment about to be dropped to the seafloor from the surface. It is kept balanced by a series of weights attached to the bottom, so the equipment doesn't tip over on its way down.
The HPIES experiment about to be dropped to the seafloor from the surface. It is kept balanced by a series of weights attached to the bottom, so the equipment doesn't tip over on its way down.
The Benthic Experiment Package on the seafloor at Endurance Oregon Offshore, connected to the low-voltage node LV01C by the cable extending under the protective doors. The oxygen sensor is visible on the left side, and the 3D velocimeter and ADCP can be seen on the top left and right (respectively). Photo Credit: NSF-OOI/UW/CSSF, Dive 1747, V14
The Benthic Experiment Package on the seafloor at Endurance Oregon Offshore, connected to the low-voltage node LV01C by the cable extending under the protective doors. The oxygen sensor is visible on the left side, and the 3D velocimeter and ADCP can be seen on the top left and right (respectively). Photo Credit: NSF-OOI/UW/CSSF, Dive 1747, V14
The BEP at the Oregon Shelf site is in highly productive waters. It provides a protective habitat and hard substrate for biological communities to grow on, including large sea anemones that have colonized this platform in the 1-year it has been installed. Credit: UW/NSF-OOI/WHOI; V16.
The BEP at the Oregon Shelf site is in highly productive waters. It provides a protective habitat and hard substrate for biological communities to grow on, including large sea anemones that have colonized this platform in the 1-year it has been installed. Credit: UW/NSF-OOI/WHOI; V16.
The Benthic Experiment Package (BEP) deployed at the Offshore site (600 meters depth) and plugged into low-voltage node LV01C. Photo Credit: UW/NSF-OOI/CSSF, ROPOS Dive 1745, V14.
The Benthic Experiment Package (BEP) deployed at the Offshore site (600 meters depth) and plugged into low-voltage node LV01C. Photo Credit: UW/NSF-OOI/CSSF, ROPOS Dive 1745, V14.
The Benthic Experiment Platform at the Oregon Shelf site houses numerous crabs. Credit: UW/NSF-OOI/WHOI; V16.
The Benthic Experiment Platform at the Oregon Shelf site houses numerous crabs. Credit: UW/NSF-OOI/WHOI; V16.
The Thompson crane moving the Benthic Experiment Platform from the aft deck to the ROPOS launch area, prior to deployment at Oregon Offshore (600 m depth). Credit: Rhea Sanders, Oregon State University
The Thompson crane moving the Benthic Experiment Platform from the aft deck to the ROPOS launch area, prior to deployment at Oregon Offshore (600 m depth). Credit: Rhea Sanders, Oregon State University
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The aft deck of the R/V Sikuliaq is loaded with Cabled Array equipment to be installed during Leg 2 of the OOI Cabled Array VISIONS'16 cruise. Credit: M. Elend, University of Washington, V16.
The aft deck of the R/V Sikuliaq is loaded with Cabled Array equipment to be installed during Leg 2 of the OOI Cabled Array VISIONS'16 cruise. Credit: M. Elend, University of Washington, V16.
ROPOS releasing the tungsten carbide calibration sphere on the Oregon Shelf bioacoustic sonar platform. The transducer heads are orange. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1792; V14.
ROPOS releasing the tungsten carbide calibration sphere on the Oregon Shelf bioacoustic sonar platform. The transducer heads are orange. Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1792; V14. Creative Commons License
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This resistivity-temperature probe was deployed in the 270°C hydrothermal vent called 'Escargot' at the summit of Axial Volcano in 2013. Resistivity is an analoge for chlorinity or "saltiness' of the hydrothermal fluids. Boiling is common in these venting environments, governing gas concentrations, metal deposition, and perhaps life. A cabled version will be installed in 2014 providing real-time 24/7 data. ROPOS dive #1618, VISIONS '13, Leg 3. Photo credit: NSF-OOI/UW/CSSF.
This resistivity-temperature probe was deployed in the 270°C hydrothermal vent called 'Escargot' at the summit of Axial Volcano in 2013. Resistivity is an analoge for chlorinity or "saltiness' of the hydrothermal fluids. Boiling is common in these venting environments, governing gas concentrations, metal deposition, and perhaps life. A cabled version will be installed in 2014 providing real-time 24/7 data. ROPOS dive #1618, VISIONS '13, Leg 3. Photo credit: NSF-OOI/UW/CSSF.
The ROV Jason plugs in the low-power junction box 9500 ft beneath the oceans surface at the Slope Base site. Credit: UW/OOI-NSF/WHOI, V16.
The ROV Jason plugs in the low-power junction box 9500 ft beneath the oceans surface at the Slope Base site. Credit: UW/OOI-NSF/WHOI, V16.
The engineeing team from the Applied Physics Laboratory at the UW and the crew of the R/V Sikuliaq prepare the low-power junction box for installation at the Slope Base site near the Cascadia Margin, 9500 ft beneath the oceans' surface. Credit. M. Elend, University of Washington, V16.
The engineeing team from the Applied Physics Laboratory at the UW and the crew of the R/V Sikuliaq prepare the low-power junction box for installation at the Slope Base site near the Cascadia Margin, 9500 ft beneath the oceans' surface. Credit. M. Elend, University of Washington, V16.
Junction Box LJ03A being moved into position at the start of Jason Dive 907. Credit: M. Elend, University of Washington; V16.
Junction Box LJ03A being moved into position at the start of Jason Dive 907. Credit: M. Elend, University of Washington; V16.
APL/RSN engineers attaching the deep profiler vehicle to the mooring line during deployment at the Axial Base site. Photo Credit: Ed McNichol, Mumbian Enterprises, Inc.
APL/RSN engineers attaching the deep profiler vehicle to the mooring line during deployment at the Axial Base site. Photo Credit: Ed McNichol, Mumbian Enterprises, Inc.
An RSN deep profiler is prepared by engineers on board the Thompson to be deployed to study the deep ocean.
An RSN deep profiler is prepared by engineers on board the Thompson to be deployed to study the deep ocean.
The wire crawler of the Deep Profiler at the Oregon Offshore (600 m) Site is deployed by the UW-APL Ocean Engineering Team. Credit: J. Durant, University of Washington, V18.
The wire crawler of the Deep Profiler at the Oregon Offshore (600 m) Site is deployed by the UW-APL Ocean Engineering Team. Credit: J. Durant, University of Washington, V18.
APL/RSN engineer Eric Boget gently lowers the deep profiler package into the water during the mooring deployment. Photo Credit: Ed McNichol, Mumbian Enterprises, Inc.
APL/RSN engineer Eric Boget gently lowers the deep profiler package into the water during the mooring deployment. Photo Credit: Ed McNichol, Mumbian Enterprises, Inc.
The top of the Deep Profiler mooring at the Slope Base site is marked by a large syntactic foam float. This was installed during Leg 2 of the NSF-OOI-UW Cabled Array VISIONS'15 expedition. Credit: NSF-OOI/UW/ISS; V15 - ROPOS Dive R1855.
The top of the Deep Profiler mooring at the Slope Base site is marked by a large syntactic foam float. This was installed during Leg 2 of the NSF-OOI-UW Cabled Array VISIONS'15 expedition. Credit: NSF-OOI/UW/ISS; V15 - ROPOS Dive R1855.
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The Deep Profiler vehicle being installed on the mooring cable at the Friday Harbor test site. The FHL Pump House, which contains the power supply and other shore equipment, is shown in the background.
The Deep Profiler vehicle being installed on the mooring cable at the Friday Harbor test site. The FHL Pump House, which contains the power supply and other shore equipment, is shown in the background.
The Deep Profiler installed July 22, 2015 at the Slope Base site is caught profiling at a water depth of 2775 m beneath the ocean's surface on the mooring cable during ROPOS Dive R1855. Credit: NSF-OOI/UW/CSSF; V15.
The Deep Profiler installed July 22, 2015 at the Slope Base site is caught profiling at a water depth of 2775 m beneath the ocean's surface on the mooring cable during ROPOS Dive R1855. Credit: NSF-OOI/UW/CSSF; V15.
THe Oregon Endurance Offshore instrumented profiler travels down the wire on the Deep Profiling Mooring during its initial testing following installation. Credit: NSF-OOI/UW/ISS.V15, Dive R1859.
THe Oregon Endurance Offshore instrumented profiler travels down the wire on the Deep Profiling Mooring during its initial testing following installation. Credit: NSF-OOI/UW/ISS.V15, Dive R1859.
The newly deployed deep profiler at Axial Base during dive J2-1091. Credit: UW/NSF-OOI/WHOI, V18.
The newly deployed deep profiler at Axial Base during dive J2-1091. Credit: UW/NSF-OOI/WHOI, V18.
An action shot of the modified McLane Deep Profiler at the Axial Base site crawling up the mooring wire. The yellow profiler vehicle climbs up and down the mooring wire between the seafloor and the top buoy, collecting oceanographic data on thin layers in the water column. Credit: UW/NSF-OOI/CSSF, Dive 1742, V14.
An action shot of the modified McLane Deep Profiler at the Axial Base site crawling up the mooring wire. The yellow profiler vehicle climbs up and down the mooring wire between the seafloor and the top buoy, collecting oceanographic data on thin layers in the water column. Credit: UW/NSF-OOI/CSSF, Dive 1742, V14.
The Deep Profiler at Axial Base docked in its charging station at the bottom of the mooring. The yellow profiler vehicle climbs up and down the mooring wire between the seafloor and the top buoy, collecting oceanographic data on thin layers in the water column. Photo Credit: NSF-OOI/UW/CSSF, Dive 1742, VISIONS14
The Deep Profiler at Axial Base docked in its charging station at the bottom of the mooring. The yellow profiler vehicle climbs up and down the mooring wire between the seafloor and the top buoy, collecting oceanographic data on thin layers in the water column. Photo Credit: NSF-OOI/UW/CSSF, Dive 1742, VISIONS14
CGI rendering of a yellow capsule-shaped profiler
The RSN Deep Profiler (DP) system is designed to collect oceanographic data profiles in water depths of up to 3000m. The DP system includes a modified McLane Mooring Profiler (MMP) vehicle that uses a motor traction drive to profile from near the sea surface to the seafloor along a tensioned mooring cable with a subsurface float. The system's dock assembly near the seafloor includes an inductive battery-charging dock for the vehicle battery, an inductive communication system that provides communications during profiling, and a Wi-fi antenna that provides high-speed communications while in the charging dock. The dock electronics will connect to the RSN power and fiber-optic data network using ROV-mateable underwater connectors. (Illustration by Nick Michel-Hart, University of Washington)
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The newly installed digital still camera at the El Gordo vent within the International District hydrothermal field catches ROPOS above the mass spectrometer. Credit: NSF/OOI/UW, V15.
The newly installed digital still camera at the El Gordo vent within the International District hydrothermal field catches ROPOS above the mass spectrometer. Credit: NSF/OOI/UW, V15.
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Junction box LJ03A rests on the deck of the R/V Sikuliaq, fully tested and ready for installation at the base of Axial Seamount. Credit: M. Elend, University of Washington. V16.
Junction box LJ03A rests on the deck of the R/V Sikuliaq, fully tested and ready for installation at the base of Axial Seamount. Credit: M. Elend, University of Washington. V16.
This seafloor pressure sensor was deployed at Axial Base in 2014, and is connected to the MJ03A J-Box. Photo Credit: NSF-OOI/UW/CSSF, Dive 1739, V14.
This seafloor pressure sensor was deployed at Axial Base in 2014, and is connected to the MJ03A J-Box. Photo Credit: NSF-OOI/UW/CSSF, Dive 1739, V14.
The Hydrothermal Vent Fluid Resistivity and Temperature probe (TRHPHA301) was placed at the base of the vent called 'Escargot' in 2014. Photo credit: NSF-OOI/UW/CSSF; Dive R1729; V14. 
The Hydrothermal Vent Fluid Resistivity and Temperature probe (TRHPHA301) was placed at the base of the vent called 'Escargot' in 2014. Photo credit: NSF-OOI/UW/CSSF; Dive R1729; V14. 
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The hydrophone (an underwater microphone) connected to the Benthic Experiment Package (BEP) at the Oregon Shelf site, in 80 meters of water. Photo Credit: NSF/UW/CSSF, Dive R1801, V14
The hydrophone (an underwater microphone) connected to the Benthic Experiment Package (BEP) at the Oregon Shelf site, in 80 meters of water. Photo Credit: NSF/UW/CSSF, Dive R1801, V14
An icListen broadband hydrophone tripod deployed at the Oregon Offshore location (600 m). Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1747; V14.
An icListen broadband hydrophone tripod deployed at the Oregon Offshore location (600 m). Credit: UW/NSF-OOI/CSSF; ROPOS Dive R1747; V14.Creative Commons License
The hydrophone tripod connected to the BEP at the Endurance Oregon Offshore site. The hydrophone is an underwater microphone listening for marine mammal vocalizations, anthropogenic noise, and other acoustic signals. It is offset from the BEP site by ~10 meters to reduce background noise. Photo Credit: NSF-OOI/UW/CSSF, Dive 1747, V14
The hydrophone tripod connected to the BEP at the Endurance Oregon Offshore site. The hydrophone is an underwater microphone listening for marine mammal vocalizations, anthropogenic noise, and other acoustic signals. It is offset from the BEP site by ~10 meters to reduce background noise. Photo Credit: NSF-OOI/UW/CSSF, Dive 1747, V14
The cabled coastal surface-piercing profiler (cCSPP) was delivered to the seafloor by ROPOS and placed roughly 12 meters due East of the medium-powered junction box MJ01C at the Oregon Shelf site, in 79 meters of water. The cylindrical sensor pod of the cCSPP (left side of image) will float freely in the water column after being released from the deployment cradle on the profiler base. Once powered up, the sensor pod will move up and down in the water column at least 4 times per day, taking samples continuously using the onboard CTD, oxygen, fluorometer, nitrate, AC-S, PAR sensor, spectral irradiance, and 3D water velocity sensors.   Photo Credit: NSF/UW/CSSF, Dive R1801, V14
The cabled coastal surface-piercing profiler (cCSPP) was delivered to the seafloor by ROPOS and placed roughly 12 meters due East of the medium-powered junction box MJ01C at the Oregon Shelf site, in 79 meters of water. The cylindrical sensor pod of the cCSPP (left side of image) will float freely in the water column after being released from the deployment cradle on the profiler base. Once powered up, the sensor pod will move up and down in the water column at least 4 times per day, taking samples continuously using the onboard CTD, oxygen, fluorometer, nitrate, AC-S, PAR sensor, spectral irradiance, and 3D water velocity sensors.   Photo Credit: NSF/UW/CSSF, Dive R1801, V14
ROPOS using the starboard manipulator to pull the release that allowed the sensor pod of the cabled coastal surface-piercing profiler (cCSPP) to swing upwards and float freely in the water. The cCSPP was delivered to the seafloor and placed roughly 12 meters due East of the medium-powered junction box MJ01C at the Oregon Shelf site, in 79 meters of water.   Photo Credit: NSF/UW/CSSF, Dive R1801, V14
ROPOS using the starboard manipulator to pull the release that allowed the sensor pod of the cabled coastal surface-piercing profiler (cCSPP) to swing upwards and float freely in the water. The cCSPP was delivered to the seafloor and placed roughly 12 meters due East of the medium-powered junction box MJ01C at the Oregon Shelf site, in 79 meters of water.   Photo Credit: NSF/UW/CSSF, Dive R1801, V14
The sensor pod of the cabled coastal surface-piercing profiler (cCSPP) floating freely in the water column after being released from the deployment cradle on the profiler base. Once powered up, the sensor pod will move up and down in the water column at least 4 times per day, taking samples continuously using the onboard CTD, oxygen, fluorometer, nitrate, AC-S, PAR sensor, spectral irradiance, and 3D water velocity sensors.   Photo Credit: NSF/UW/CSSF, Dive R1801, V14
The sensor pod of the cabled coastal surface-piercing profiler (cCSPP) floating freely in the water column after being released from the deployment cradle on the profiler base. Once powered up, the sensor pod will move up and down in the water column at least 4 times per day, taking samples continuously using the onboard CTD, oxygen, fluorometer, nitrate, AC-S, PAR sensor, spectral irradiance, and 3D water velocity sensors.   Photo Credit: NSF/UW/CSSF, Dive R1801, V14
The ROV ROPOS samples jets of methane bubbles with a hand-held Niskin bottle. Photo credit: NSF-OOI/UW/CSSF; Dive R1784; V14.  
The ROV ROPOS samples jets of methane bubbles with a hand-held Niskin bottle. Photo credit: NSF-OOI/UW/CSSF; Dive R1784; V14.  
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The back deck of the R/V Thompson was fully loaded with instruments, junction boxes, cable spools, and mooring components that were installed during Leg 4. Image Credit: Skip Denny, UW-APL; V14.
The back deck of the R/V Thompson was fully loaded with instruments, junction boxes, cable spools, and mooring components that were installed during Leg 4. Image Credit: Skip Denny, UW-APL; V14.
The Slope Base seismometer and hydrophone in the ROPOS toolbasket, prior to deployment in the previously excavated caisson. Photo Credit: NSF-OOI/UW/CSSF, Dive R1751, VISIONS14
The Slope Base seismometer and hydrophone in the ROPOS toolbasket, prior to deployment in the previously excavated caisson. Photo Credit: NSF-OOI/UW/CSSF, Dive R1751, VISIONS14
A CAT flow meter near Einstein's Grotto. It is home to a rockfish and sea star. Photo Credit: NSF-OOI/UW/CSSF, Dive R1750, V14
A CAT flow meter near Einstein's Grotto. It is home to a rockfish and sea star. Photo Credit: NSF-OOI/UW/CSSF, Dive R1750, V14
The digital still camera in the ROPOS toolbasket during deployment at the Oregon Offshore site (600 m); the camera at is designed to look at the seafloor in general, observing animal activity, sediment transport, detritus falls, and bioturbation. Credit: UW/NSF-OOI/CSSF, Dive 1747, V14.
The digital still camera in the ROPOS toolbasket during deployment at the Oregon Offshore site (600 m); the camera at is designed to look at the seafloor in general, observing animal activity, sediment transport, detritus falls, and bioturbation. Credit: UW/NSF-OOI/CSSF, Dive 1747, V14.
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An Acousitic Doppler Current Profiler (four blue-red cyllinders with yellow housing) is installed at the base of Axial Seamount near PN3A on ROPOS Dive R1735. It is housed within the medium powered junction box MJ03A. Photo Credit: NSF-OOI/UW/CSSF; Dive R1735; V14
An Acousitic Doppler Current Profiler (four blue-red cyllinders with yellow housing) is installed at the base of Axial Seamount near PN3A on ROPOS Dive R1735. It is housed within the medium powered junction box MJ03A. Photo Credit: NSF-OOI/UW/CSSF; Dive R1735; V14
Tripod mounted CTD and optical attenuation sensors on the seafloor at the Axial Base site (2600m deep). Junction box LJ03A is visible in the background. Photo Credit: NSF-OOI/UW/CSSF, Dive 1739, V14
Tripod mounted CTD and optical attenuation sensors on the seafloor at the Axial Base site (2600m deep). Junction box LJ03A is visible in the background. Photo Credit: NSF-OOI/UW/CSSF, Dive 1739, V14
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Junction box LJ03A cabled to the low-voltage node LV03A at the Axial Base site. Photo Credit: NSF-OOI/UW/CSSF, Dive 1736, V14
Junction box LJ03A cabled to the low-voltage node LV03A at the Axial Base site. Photo Credit: NSF-OOI/UW/CSSF, Dive 1736, V14
ROPOS about to plug junction box LJ03A into low-voltage node LV03A at the Axial Base site. Photo Credit: NSF-OOI/UW/CSSF; Dive 1736; V14.
ROPOS about to plug junction box LJ03A into low-voltage node LV03A at the Axial Base site. Photo Credit: NSF-OOI/UW/CSSF; Dive 1736; V14.
An overhead shot showing the spatial relationship between junction box LJ01A and low-voltage node LV01A at the Slope Base site. Photo Credit: NSF-OOI/UW/CSSF; Dive 1735; V14.
An overhead shot showing the spatial relationship between junction box LJ01A and low-voltage node LV01A at the Slope Base site. Photo Credit: NSF-OOI/UW/CSSF; Dive 1735; V14.
ROPOS lifting the broadband hydrophone mast on LJ01A into position. Photo Credit: NSF-OOI/UW/CSSF; Dive 1735; V14.
ROPOS lifting the broadband hydrophone mast on LJ01A into position. Photo Credit: NSF-OOI/UW/CSSF; Dive 1735; V14.
Low Voltage node LV01A on the seafloor at Slope Base, as surveyed by ROPOS. Photo Credit: NSF-OOI/UW/CSSF; Dive 1734; V14.
Low Voltage node LV01A on the seafloor at Slope Base, as surveyed by ROPOS. Photo Credit: NSF-OOI/UW/CSSF; Dive 1734; V14.
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During ROPOS Dive R1724, the junction Box MJ03F was deployed at the Central Caldera Site. It will host a broadband seismometer, a low-frequency hydrophone, and a bottom pressure-tilt instrument suite. Photo credit: NSF-OOI/UW/CSSF; Dive R1726; V14.
During ROPOS Dive R1724, the junction Box MJ03F was deployed at the Central Caldera Site. It will host a broadband seismometer, a low-frequency hydrophone, and a bottom pressure-tilt instrument suite. Photo credit: NSF-OOI/UW/CSSF; Dive R1726; V14.
A bottom pressure-tilt instrument is installed at the summit of Axial Seamount in the International District hydrothermal field. This instrument measures the rise and fall of the seafloor due to melt migration in the subsurface. Currently, the seafloor is rising and this is believed to reflect the influx of magma into the core of the volcano.The instrument rests on a frozen lava flow - called a sheet flow. The small black marble in the yellow plate at the instrument base indicates that the platform it level. Photo credit: NSF-OOI/UW/CSSF; Dive R1723; V14.
A bottom pressure-tilt instrument is installed at the summit of Axial Seamount in the International District hydrothermal field. This instrument measures the rise and fall of the seafloor due to melt migration in the subsurface. Currently, the seafloor is rising and this is believed to reflect the influx of magma into the core of the volcano.The instrument rests on a frozen lava flow - called a sheet flow. The small black marble in the yellow plate at the instrument base indicates that the platform it level. Photo credit: NSF-OOI/UW/CSSF; Dive R1723; V14.
On July 20, the medium-powere junction box MJ03C was installed in the International District hydrothermal vent field on ROPOS Dive R1717. It was connected to a ~2300-m-long cable (RSO3W6) that will connect this system to Primary Node PN3B. A temperature-resistivty sensor (TRHPHA301) is inside the J-Box, awaiting installation during a follow-on dive. Photo credit: NSF-OOI/UW/CSSF; Dive 1717; V14.
On July 20, the medium-powere junction box MJ03C was installed in the International District hydrothermal vent field on ROPOS Dive R1717. It was connected to a ~2300-m-long cable (RSO3W6) that will connect this system to Primary Node PN3B. A temperature-resistivty sensor (TRHPHA301) is inside the J-Box, awaiting installation during a follow-on dive. Photo credit: NSF-OOI/UW/CSSF; Dive 1717; V14.
On July 18, 2014 the Low-Voltage Node LV03A was deployed at Axial Base. It was moved on R1715 to its final location. It will provide power and communications to two moorings to be installed at this site. Primary Node PN3A is to the right. Photo credit: NSF-OOI/UW/CSSF; Dive R1714; V14.
On July 18, 2014 the Low-Voltage Node LV03A was deployed at Axial Base. It was moved on R1715 to its final location. It will provide power and communications to two moorings to be installed at this site. Primary Node PN3A is to the right. Photo credit: NSF-OOI/UW/CSSF; Dive R1714; V14.
Medium-Power Junction Box MJ03C rests on the platform for ROPOS, awaiting connection to the underbelly of ROPOS. This node was installed on the seafloor during dive R1717.
Medium-Power Junction Box MJ03C rests on the platform for ROPOS, awaiting connection to the underbelly of ROPOS. This node was installed on the seafloor during dive R1717.
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During VISIONS'13 two types of flow meters (CAT and Mosquito) were deployed at the summit of Southern Hydrate Ridge near the Einstein's Grotto active seep site - each instrument has specific ranges of flow that they measure. They will be recovered in 2014, providing year-long records of flow into and out of the sediment. Credit: UW/OOI-NSF//CSSF; V13
During VISIONS'13 two types of flow meters (CAT and Mosquito) were deployed at the summit of Southern Hydrate Ridge near the Einstein's Grotto active seep site - each instrument has specific ranges of flow that they measure. They will be recovered in 2014, providing year-long records of flow into and out of the sediment. Credit: UW/OOI-NSF//CSSF; V13
ADCP (acoustic doppler current profiler) mounted on benthic platform.
ADCP (acoustic doppler current profiler) mounted on benthic platform.
This caisson is buried to about 1 m depth beneath the sediments. Next year a broadband seismometer will be placed in it and connected to the cable, providing real-time detection and location of earthquakes. A cover was placed over the caisson to keep sediment from falling into it and animals out. Credit: UW/NSF-OOI/CSSF. V13.
This caisson is buried to about 1 m depth beneath the sediments. Next year a broadband seismometer will be placed in it and connected to the cable, providing real-time detection and location of earthquakes. A cover was placed over the caisson to keep sediment from falling into it and animals out. Credit: UW/NSF-OOI/CSSF. V13.
The ROV ROPOS vacuums out sediment in a caisson at the summit of Southern Hydrate Ridge. In 2014, a broadband seismometer will be placed in the caisson and covered in silica beads to optimize acquisition of acoustic signals by lowering ocean "noise" (e.g. currents). Credit: UW/NSF-OOI/CSSF.
The ROV ROPOS vacuums out sediment in a caisson at the summit of Southern Hydrate Ridge. In 2014, a broadband seismometer will be placed in the caisson and covered in silica beads to optimize acquisition of acoustic signals by lowering ocean "noise" (e.g. currents). Credit: UW/NSF-OOI/CSSF.
ROPOS was sent down to retrieve a seismometer at the end of VISIONS '13 Leg 3 Photo credit: NSF-OOI/UW/CSSF
ROPOS was sent down to retrieve a seismometer at the end of VISIONS '13 Leg 3 Photo credit: NSF-OOI/UW/CSSF
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Empty ROCLS spools on Thompson fantail at end of VISIONS '13, Leg 3, are emblematic of the cable-laying work accomplished.   Photo by Nancy Penrose
An overview sonar being installed at Southern Hydrate Ridge - the multibeam's "head" is in the down position, prior to completion of the installation. Credit: UW/NSF_OOI/MARUM, V19.
An overview sonar being installed at Southern Hydrate Ridge - the multibeam's "head" is in the down position, prior to completion of the installation. Credit: UW/NSF_OOI/MARUM, V19.