Abstract
Simultaneous measurements of wind velocity, air humidity and sea surface wave-elevation fluctuations obtained on a platform in the open Caspian Sea are analyzed.
It is shown that wave noises exist in the spectra and cospectra of the lower part of the atmospheric boundary layer, not only for the frequency of the main energy transporting component of the sea waves, but also in other parts of the spectra, at both lower and higher frequencies. The high frequencies are noncoherent with the sea waves and could be considered as measurement ‘errors’ due to the existence of the waves. A method of elimination of the coherent wave noises from the spectra and cospectra is suggested and the effectiveness of its application is demonstrated.
The essential difference between cases of developing and decaying wind waves is demonstrated.
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Benilov, A.Y., Kouznetsov, O.A. & Panin, G.N. On the analysis of wind wave-induced disturbances in the atmospheric turbulent surface layer. Boundary-Layer Meteorol 6, 269–285 (1974). https://doi.org/10.1007/BF00232489
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DOI: https://doi.org/10.1007/BF00232489