Turbulence in the coastal environment during HYCODE
Fredericks, Janet J.
Trowbridge, John H.
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KeywordTurbulence; Stress; HYCODE; Endeavor (Ship: 1976-) Cruise EN342; Endeavor (Ship: 1976-) Cruise EN344; Endeavor (Ship: 1976-) Cruise EN347; Endeavor (Ship: 1976-) Cruise EN356; Endeavor (Ship: 1976-) Cruise EN358
A tall tripod equipped with two acoustic Doppler velocimeters (ADVs) was deployed at a water depth of 15 m off the coast of New Jersey near the LEO-15 site. Sensors were co-located near the bottom to provide good estimates of Reynolds stress. Thermistors were located within several centimeters of the velocity sample volume to provide simultaneously sampled estimates of turbulent temperature variance and vertical temperature flux. One of the ADVs was equipped with a pressure and a temperature sensor. A wave/tide gauge was placed at 4 meters above bottom. The instruments were deployed late July through early December of 2000 and late June through early August of 2001. For the 2001 deployment, a single beam acoustic Doppler velocity sensor (DopBeam) was added to measure high frequency vertical velocity variance and echo intensity within the bottom boundary layer. A second tripod was deployed nearby and was equipped with an array of LISST sensors and an MSCAT. The purpose of this report is to document the instrumentation and deployment of the tripods and to document the tall tripod data by providing a description of the processing and data formats, time-series summaries of the burst averaged data along with preliminary analyses.
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