Meteorological and Oceanographic Data During the ASREX III Field Experiment: Cruise and Data Report

The Third Acoustic Surface Reverberation Experiment (ASREX III) took place from December 1993 to March 1994 at Site L (34 deg N, 70 deg W) in the mid-Atlantic. As part of this experiment, two moorings were deployed to measure the environmental background. A meteorological and oceanographic mooring w...

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Bibliographic Details
Main Authors Galbraith, Nancy R, Gnanadesikan, Anand, Ostrom, William M, Terray, Eugene A, Way, Bryan S
Format Publication
LanguageEnglish
Published 30.07.1997
Subjects
BUOYANCY
FIELD TESTS
FLUX(RATE)
HEAT LOSS
LOW TEMPERATURE
METEOROLOGICAL DATA
METEOROLOGY
MOORING
OCEANOGRAPHIC DATA
OCEANOGRAPHY
PHYSICAL AND DYNAMIC OCEANOGRAPHY
WAVES
WIND STRESS
WIND VELOCITY
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Summary:The Third Acoustic Surface Reverberation Experiment (ASREX III) took place from December 1993 to March 1994 at Site L (34 deg N, 70 deg W) in the mid-Atlantic. As part of this experiment, two moorings were deployed to measure the environmental background. A meteorological and oceanographic mooring was deployed to characterize the surface wind stress, buoyancy flux, and the current and temperature structure over the top 500 meters. A Seatex Wavescan buoy was deployed to characterize the directional wave spectrum. This report presents results from these moorings. Wind speeds up to 25 m/s were seen, with significant heat losses (up to 1050 W/ sq. m) when cold continental air moved out over the warm Atlantic. The wave heights ranged up to 8 m, with significant wave heights of several meters persisting for relatively long periods. Wave height and period, nondirectional spectra, directional spectra and a typology of wave events are presented and related to surface forcing.
Bibliography:ADA326696