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THE VERTICAL VARIATION OF WIND‐DRIVEN CURRENTS IN LAKE MENDOTA 1
Author(s) -
Shulman Mark D.,
Bryson Reid A.
Publication year - 1961
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.4319/lo.1961.6.3.0347
Subject(s) - wind speed , wind stress , geology , drag , deflection (physics) , meteorology , atmospheric sciences , roughness length , rossby number , wind profile power law , environmental science , geodesy , mechanics , physics , classical mechanics , turbulence
The deviation of wind‐driven water currents from wind direction was examined as a function of depth in Lake Mendota utilizing the free‐drag method. The mean vector hodographs were obtained for various wind velocities. The relation of wind velocity to angular deflection was also obtained. The depth of frictional influence was empirically determined to be between 2 and 3.5 m and an improved relationship with wind speed was developed. Wind stress on the water surface was calculated by fitting Ekman and Rossby spirals to the hodographs and integrating the cross‐wind component from the surface to depth D. The proportionality of the stress to the wind velocity was determined and comparisons made with previous computations.