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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Imprimir: 0040-2508
ISSN On-line: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v75.i1.40
pages 39-48

ESTIMATION OF THE NEARSHORE WAVE PARAMETERS USING AN ITNERFEROMETRIC SAR

Yu. V. Goncharenko
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085, Ukraine; Applied Physics Laboratory, University of Washington, Seattle, USA
G. Farquharson
A.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
V. N. Gorobets
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12, Academician Proskura St., Kharkov 61085, Ukraine

RESUMO

Nearshore areas of seas and oceans have been always of especial importance for the life activity of most people. Along with the stabilizing factor of the weather and climate associated with the close vicinity of water, the sea-land boundary is characterized by appearance of specific gradients and flows of heat, moisture, pressure etc. These can cause weather hazards which are necessary to be monitored and predicted. The basis of the purposeful study of the impact of natural and anthropogenic factors on the coastal zones and, in particular, on the shore areas, is monitoring of the coastal processes. Among modern methods of environmental monitoring the remote sensing techniques seem to be especially promising ones. The paper presents results of radar sounding of the nearshore area near the New River mouth (North Carolina, USA) with the use of a synthetic-aperture radar (SAR). The nearshore wave parameters, such as wave height, phase velocity, wave crest length etc. are estimated from the SAR images. An algorithm is suggested for determining the width and shape of the spectrum of the radial component of water drops in breaking waves. The range of radial velocities of the drops is analyzed in dependence on the significant wave height.


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