DocumentCode :
297830
Title :
SAR response to spatially and temporally varying wind fields
Author :
Lyzenga, D.R.
Author_Institution :
Dept. of Naval Archit. & Marine Eng., Michigan Univ., Ann Arbor, MI, USA
Volume :
2
fYear :
1996
fDate :
27-31 May 1996
Firstpage :
899
Abstract :
This paper discusses some considerations involved in modeling the transient effects associated with unsteady or non-uniform wind fields over the ocean. The spectral energy balance equation is solved for some simple cases in which the wind varies in time or space, using various formulations for the wind input and dissipation terms. An overshoot effect is shown to occur when the energy dissipation rate is assumed to be proportional to the velocity variance due to longer waves in the spectrum. Examples are presented and some implications for SAR image interpretation are discussed
Keywords :
atmospheric boundary layer; atmospheric techniques; backscatter; electromagnetic wave scattering; meteorological radar; oceanographic techniques; radar cross-sections; remote sensing by radar; synthetic aperture radar; wind; SAR image interpretation; SAR imaging; SAR response; air sea interaction; marine atmosphere; measurement technique; meteorological radar; model; ocean; overshoot effect; radar remote sensing; sea surface; spatial variation; spectral energy balance equation; synthetic aperture radar; temporal variation; temporally varying wind field; transient effects; Atmospheric waves; Energy dissipation; Energy exchange; Equations; Oceans; Power engineering and energy; Radar cross section; Sea surface; Surface waves; Wind speed;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Geoscience and Remote Sensing Symposium, 1996. IGARSS '96. 'Remote Sensing for a Sustainable Future.', International
Conference_Location :
Lincoln, NE
Print_ISBN :
0-7803-3068-4
Type :
conf
DOI :
10.1109/IGARSS.1996.516514
Filename :
516514
Link To Document :
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