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Project engineer Eric McRae (left) and Jake Maltby test the shallow profiler in a UW saltwater tank. Photo by Mitchell Elend, UW.

SAL/UWAA Lecture Series

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A new generation of marine research and oceanographic discovery in the San Juan Islands

Visions'14 Application Image

An 8-hour record of profiler vehicle depth vs. time was sent out automatically in a daily report from the RSN Observatory Management System (OMS).

40-hour plot of water temperature vs. time and depth November 28 — 30, 2013.

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 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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