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Mitch Elend works to stitch images of the seafloor at Southern Hydrate Ridge together into a photo mosaic in real time. OOI scientists will use the final mosaic to plan the instrument layout for the cabled observatory component of the OOI. (photo by Allison Fundis)

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The ROV ROPOS controls set up in a lab aboard the R/V Thompson. The ROV pilot, co-pilot, and a scientist sit in front of these monitors and controls during the dive. A ROPOS navigator and a team of scientists are also in the room logging and aiding in dive plans. (photo by Debbie Kelley)

The positions of the HD video camera (the live stream image), the digital still camera, and lights in ROPOS's typical configuration. 

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The ROV ROPOS with the digital still camera and lights repositioned to optimize the vehicle for a down-looking still image survey. Images obtained during this survey will be stitched together to form a photomosaic which will give scientists on board a visual map of an extensive portion of Southern Hydrate Ridge. 

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Zooplankton collected from a plankton net tow and imaged under Kendra Daly's microscope. (photo by Kendra Daly)

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Vincent Auger of the ROPOS crew secures the USBL (ultra-short baseline) pole. USBL is one of the compenents of the ROPOS navigation system that is used to determine precisely where on the seafloor the vehicle is. (photo by Mitch Elend)

Members of the ROPOS crew (Josh Chernoy, Vincent Auger, and Reuben Mills) take a break after spending the entire night reconfiguring the components on the ROV to be setup for down-looking mosaics. (photo by Allison Fundis)

Members of the science party prepare the gravity core for deployment the night of Aug 16th. The gravity core results will be used to ensure that the sediment thickness is deep enough to bury cable up the summit of Southern Hydrate Ridge. 

Injecting a gas sample into the gas chromatograph to analyze the concentration of methane. (photo by Allison Fundis)

The UW Applied Physics Laboratory frame was deployed at Southern Hydrate Ridge for a year to test the weathering of an epoxy coating on the frame. 

Chris Holm, OSU Instrument Technician

Kendra Daly, OOI-RSN senior project scientist, and Chris Holm, OSU field engineer, look at plankton collected from a net tow under a microscope. (phot by Allison Fundis) 

An active methane hydrate seep site at Southern Hydrate Ridge. Emanating out of the cavity in the sediments are bubbles from gas hydrate dissociation within the shallow sediments. Photo credit: NSF-OOI/UW/CSSF

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Beggiatoa bacterial matting at Southern Hydrate Ridge. The green lasers are turned on for scale and are 10 cm apart. 

Beggiatoa matting (white) at Southern Hydrate Ridge with small snails. Photo credit: NSF-OOI/UW/CSSF

Dean of UW's College of the Environment, Lisa Graumlich. (photo by Allison Fundis)