Breaking Ocean Waves: Geometry, Structure and Remote Sensing by Eugene A. Sharkov

By Eugene A. Sharkov

This booklet represents the main entire description of the actual findings of an research into the spatio-temporal features of the gravity of breaking waves and the froth job in open sea through tools and tools of optical and microwave distant sensing.

The examine of actual and electrodynamics' houses of the gravity wave breaking approaches and the froth spatio-temporal task is a vital part of satellite tv for pc oceanography, ocean engineering, air-sea interplay and ocean distant sensing. particularly, the contribution of froth formations of varied forms to the suggest and the spatio-temporal diversifications of radio emission, back-scattering, IR and optical parameters of the disturbed sea floor is extremely major. The statistical features of wave breaking and attendant foam forming are vitally important to ocean wave dynamics. The research and dimension of spatio-temporal features of wave breaking and sea foam formations are of primary significance in ocean distant sensing.

Much emphasis is put on the actual elements of breaking approaches essential to degree the probabilities and boundaries of distant sensing tools in particular statement situations of an oceanic floor. a number of functional purposes and illustrations are supplied from air-borne, ship-borne and laboratory updated experiments.

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Breaking Ocean Waves: Geometry, Structure and Remote Sensing (Springer Praxis Books / Geophysical Sciences)

This booklet represents the main finished description of the actual findings of an research into the spatio-temporal features of the gravity of breaking waves and the froth task in open sea through tools and tools of optical and microwave distant sensing.

The learn of actual and electrodynamics' houses of the gravity wave breaking methods and the froth spatio-temporal job is a vital side of satellite tv for pc oceanography, ocean engineering, air-sea interplay and ocean distant sensing. specifically, the contribution of froth formations of varied forms to the suggest and the spatio-temporal diversifications of radio emission, back-scattering, IR and optical parameters of the disturbed sea floor is very major. The statistical features of wave breaking and attendant foam forming are extremely important to ocean wave dynamics. The learn and size of spatio-temporal features of wave breaking and sea foam formations are of primary value in ocean distant sensing.

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Additional resources for Breaking Ocean Waves: Geometry, Structure and Remote Sensing (Springer Praxis Books / Geophysical Sciences)

Sample text

For various wavenumbers). (4) To increase the range of spatial frequencies, the initial image was compressed both twice and four times. 7 to 40 m in the lengths of surface waves. As a result of full processing, the visualized two-dimensional spectra of sea surface altitudes were obtained, on which these features could be emphasized by arti®cial colors and, thus, made suitable for visual perception. Moreover, by obtaining one-dimensional sections of spectra as well as spectra averaged over the angle, we were able to compare them with the results of contact (single-point) experiments, as well as with the conclusions of theoretical analysis, which in the overwhelming majority of modern works was carried out for one-dimensional spectra.

3, in this section we shall consider the basic statistical characteristics of the point breaking ®eld and their evolution as sea waves develop beginning with the early stages of disturbed surface interaction with wind ¯ux (Pokrovskaya and Sharkov, 1987b). 3). Analysis has shown that the foam structures with a linear size lower than 40 cm show up on negatives unreliably and, for this reason, they were not transferred to a transparency. 13). With such a formation of ranked set elements, we managed to completely avoid the overlapping of frames, and, hence, the latter could be considered as independent ranked sets.

2. 99) for the ®ve zones. 44 Sec. 3 Spatial±statistical properties of a breaking wave ®eld in developed seas 31 (in accordance with the rules stated in Johnson and Leone, 1977). 163 to 3 km). A similar operation was also performed for spatially separated lines of matrix Ni j (in other words, the ranked sets were formed across the general direction of sea waves). And the possibility of accepting the zero hypothesis H0 ‰Rxy ˆ 0Š for random ranked sets over the lines of matrix Ni j was demonstrated.

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