Abstract
The extensive data set of photogrammetric measurements of ocean surface fractions covered by the whitecaps, S w and foam patches, S f, is compiled. The correlation analysis confirms the reliability of the sea state characteristics dependencies on sea surface temperature, i.e. on sea water viscosity, which were found earlier on the base of a lesser statistical material. The friction velocity is determined for many cases of observation with taken into account not only the atmospheric stability but wind-wave age also. Correlation of S w and S f with friction velocity are found higher than with wind speed. Quantities S w and S f are functions of friction velocity, sea surface temperature and wind-wave age. Correlation equations which determine S w, S f, duration of wave crest breaking, and foam patches life-time dependencies on these factors are given.
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