5. 7 Wind Wave Transformation in Cross-Velocity Shear Current
209
a)
/
10
tO
Fig. 5.24. Wave slope spectra obtained theoretically at flow points corresponding
to photographs 95 (a) and 99 (b) (see Fig. 5.21)
Remote ocean sensing. Remote sensing of the spatial wind wave field of
the ocean's surface is of special interest. Its non-uniformity can be an indicator of the ocean surface layer condition. Namely, it can show the presence of
eddies, fronts, internal waves, concentrations of surface-active components,
etc. The wind waves can be changed significantly under the influence of spatially non-uniform currents, revealing their presence.
It should be noted that alongside investigations of the influence of currents on waves, the non-uniform wind wave field is studied as a peculiar
indicator of the current velocity distribution. It is shown that the root mean
square value of the rough sea surface slope can be changed depending on the
countercurrent (Huang et al., 1972). The non-uniformity of the wave field is
investigated as a manifestation of the influence of large-scale internal waves
in the form of non-uniform currents at the sea surface (Action of Large-Scale
Internal Waves on the Sea Surface, 1982). Theoretical and experimental results reveal a relation between internal wave parameters and remote sensing
measurement data of surface waves.
This direction is developed in the scientific work of the Marine Hydro physical Institute of the Academy of Sciences, Ukraine (Bolshakov et al., 1988;
209
a)
/
10
tO
Fig. 5.24. Wave slope spectra obtained theoretically at flow points corresponding
to photographs 95 (a) and 99 (b) (see Fig. 5.21)
Remote ocean sensing. Remote sensing of the spatial wind wave field of
the ocean's surface is of special interest. Its non-uniformity can be an indicator of the ocean surface layer condition. Namely, it can show the presence of
eddies, fronts, internal waves, concentrations of surface-active components,
etc. The wind waves can be changed significantly under the influence of spatially non-uniform currents, revealing their presence.
It should be noted that alongside investigations of the influence of currents on waves, the non-uniform wind wave field is studied as a peculiar
indicator of the current velocity distribution. It is shown that the root mean
square value of the rough sea surface slope can be changed depending on the
countercurrent (Huang et al., 1972). The non-uniformity of the wave field is
investigated as a manifestation of the influence of large-scale internal waves
in the form of non-uniform currents at the sea surface (Action of Large-Scale
Internal Waves on the Sea Surface, 1982). Theoretical and experimental results reveal a relation between internal wave parameters and remote sensing
measurement data of surface waves.
This direction is developed in the scientific work of the Marine Hydro physical Institute of the Academy of Sciences, Ukraine (Bolshakov et al., 1988;