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The Articulating Profiler

delete2019-03-01
delete1
PRE
AI
F
F. T. Thwaites *
B
Brian P. Hogue
J
Jeffrey K. O’Brien
J
John M. Toole
DOI：10.1109/cwtm43797.2019.8955292delete
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Abstract

Abstract

En 中文
The McLane Moored Profiler (MMP), developed from prototype vehicles conceived and constructed at the Woods Hole Oceanographic Institution, has been in operational use for nearly 20 years. The full-depth-capable MMP utilizes a traction drive system to propel itself vertically along a standard mooring cable and transport a single sensor suite through the water column (negating possible errors due to multiple sensor intercalibration). MMPs are commonly configured with a single-point current meter and a CTD (a variety of other sensors have also been interfaced); processed data yield repeated realizations of the ocean temperature, salinity and horizontal velocity profiles at order 1 m vertical resolution on deployments lasting sometimes 2 years or longer. Standard MMP battery capacity results in a profiling endurance typically around 800 km of total travel, with profiles distributed in time as the user specifies. Motivated by the twin goals of increasing profiling endurance and improving sensor data quality, a joint development project for the Articulating Profiler was undertaken by WHOI and MRL that reconfigures MMP components into a streamlined body able to orient into the relative three-dimensional incident flow. A series of dock tests below the WHOI pier refined the mechanical design of the AP, followed by a 10-month ocean deployment on the continental slope north of Cape Hatteras, N.C. in conjunction with the PEACH (Processes Driving Exchange Between the Shelf and Deep Ocean at Cape Hatteras) program. Results from these test deployments are presented and plans for further development discussed.
Keywords:
oceanographic instrumentation
moored sensors
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Journal

I
IEEE/OES Current, Waves and Turbulence Measurement
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Papers:
3
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