FN Archimer Export Format PT J TI Directional short wind wave spectra derived from the sea surface photography BT AF YUROVSKAYA, M. V. DULOV, V. A. CHAPRON, Bertrand KUDRYAVTSEV, V. N. AS 1:1,2;2:1,2;3:3,4;4:1,4; FF 1:;2:;3:PDG-ODE-LOS;4:; C1 Inst Marine Hydrophys, Remote Sensing Dept, UA-99011 Sevastopol, Ukraine. DVS Ltd, Advisory & Res Co, Sevastopol, Ukraine. IFREMER, Lab Oceanog Spatiale, Plouzane, France. Russian State Hydrometeorol Univ, Satellite Oceanog Lab SOLab, St Petersburg, Russia. C2 INST MARINE HYDROPHYS, UKRAINE DVS LTD, UKRAINE IFREMER, FRANCE UNIV RUSSIAN STATE HYDROMETEOROL, RUSSIA SI BREST SE PDG-ODE-LOS IN WOS Ifremer jusqu'en 2018 copubli-int-hors-europe copubli-sud TC 52 UR https://archimer.ifremer.fr/doc/00164/27566/25927.pdf LA English DT Article DE ;wave directional spectrum;field measurements;spectrum modeling;gravity-capillary waves;image processing AB New field measurements of 2-D wave number short wind wave spectra in the wavelength range from few millimeters to few decimeters are reported and discussed. The measurement method is based on stereophotography and image brightness contrast processing. As found, the spectra of decimeter waves are almost isotropic and weakly dependent on the wind speed. Both directional anisotropy and wind sensitivity rapidly increase at wave numbers larger than 100 rad/m. These aspects are consistent with other previously reported optical and radar data. Following these new in situ measurements, a revision of a semiempirical model of short wind wave spectrum is suggested. This revised model can readily be implemented in other studies (radar scattering, air-sea interaction issues) where detailed knowledge of short wind wave spectra is crucial. PY 2013 PD SEP SO Journal Of Geophysical Research-oceans SN 0148-0027 PU Amer Geophysical Union VL 118 IS 9 UT 000326230200026 BP 4380 EP 4394 DI 10.1002/jgrc.20296 ID 27566 ER EF