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Proceedings Paper

Effects of currents and winds on shallow water bathymetry SAR images
Author(s): Kaiguo Fan; Weigen Huang; Bin Fu; Mingxia He
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Paper Abstract

Analytical expression of normalized radar backscattering cross-section (NRCS) contrasts for shallow water bathymetry SAR images has been firstly obtained by applying the continuity equation and the first order Bragg backscattering theory, and replacing the surface wave action balance equation with high frequency ocean wave spectrum balance equation. Based on the expression, we have simulated C band NRCS contrasts under different currents and sea surface winds firstly, results show the trend of NRCS contrasts' change with the shallow water bathymetry, and preferable currents and sea surface winds conditions for mapping shallow water bathymetry by SAR, which agree well with observations and shallow water bathymetry SAR images simulations. Moreover, the NRCS contrasts index which means the relationship between each currents and sea surface winds under given bathymetry parameters is first quantitatively calculated, which gives scientific proof for carrying SAR shallow water bathymetry surveys according to the ocean and weather conditions.

Paper Details

Date Published: 15 November 2007
PDF: 5 pages
Proc. SPIE 6786, MIPPR 2007: Automatic Target Recognition and Image Analysis; and Multispectral Image Acquisition, 67865B (15 November 2007); doi: 10.1117/12.748066
Show Author Affiliations
Kaiguo Fan, Ocean Univ.of China (China)
Second Institute of Oceanography (China)
Weigen Huang, Second Institute of Oceanography (China)
Bin Fu, Second Institute of Oceanography (China)
Mingxia He, Ocean Univ. of China (China)


Published in SPIE Proceedings Vol. 6786:
MIPPR 2007: Automatic Target Recognition and Image Analysis; and Multispectral Image Acquisition

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