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An intercomparison of some current meters, Report on an experiment at WHOI Mooring Site "D", Working Group on Continuous Current Velocity Measurements, Sponsored by SCOR, IAPSO and Unesco, 16-24 July 1967
(1967). An intercomparison of some current meters, Report on an experiment at WHOI Mooring Site "D", Working Group on Continuous Current Velocity Measurements, Sponsored by SCOR, IAPSO and Unesco, 16-24 July 1967. UNESCO Technical Papers in Marine Science = Documents techniques de l'Unesco sur les sciences de la mer, 11. UNESCO: [s.l.]. 70 pp.
Part of: UNESCO Technical Papers in Marine Science = Documents techniques de l'Unesco sur les sciences de la mer. UNESCO: Paris. ISSN 0503-4299, more

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Keyword
    Marine

Abstract
    Five types of recording current meter (Geodyne film, Geodyne tape, Bergen (Aanderaa), Plessey, and Tiefenstrommesser (Hydrowerkstätten)) were compared at W.H.O.I. Site "D" (39°20'N, 70°W) during the period 16-24 July 1967. One of each type of meter was installed near 500m. depth on each of three moorings. Comparison of the eight usable records from the total of 15 instruments shows (a) good agreement (+/- 2 cm/sec. Extreme) between estimates of mean velocity, most of the scatter being due to differences of direction (b) good agreement (within a factor of 2) in estimates of the kinetic energy spectrum for low-frequency horizontal motions (c) at frequencies above 1 cycle per hour, systematic differences in estimates of kinetic energy, partly due to coarsenesss in digitizing speed in some types of meter.

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