aloha-mars mooring moorings called for in many ooi plans features –enables adaptive sampling...
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ALOHA-MARS Mooring• Moorings called for in many OOI plans• Features
– Enables adaptive sampling– Distributes power, communications, time
throughout the water column (with winch)– ROV servicing
• Major Components– Subsurface float at ~165 m depth with sensor
suite and junction box– Profiler with sensor suite that can “dock” for
battery charging, continuous two-way communications via inductive modem
– Electro-optical-mechanical mooring cable– Seafloor sensor suite and junction box
• Deployments– June 2007 on Seahurst Observatory in Puget
Sound, 30 m depth, 6 months– April 2008 on MARS in Monterey Bay, 900 m
depth, 6 months
NSF funded – OTIC - Lukas and Boss co-PIs
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Subsurface float platform and profiler• Subsurface Float has 3 ‘bays’
with power/data connection by ROV-mateable connector
• Instrument packages installable/removable by ROV
• Profiler has inductive power coupler on top
• CTDO, acoustic current meter, optical fluorometer/backscatter
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Servicing the mooring
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Upper ocean winch system
• Possible systems - TBD• WET Labs IOP/Orca• Scott Gallager WHOI• NGK - NEPTUNE Canada
NGKProfiling buoy
Underwater Winch
WHOI PRIMO
Autonomous
NC - cabled