Title :
Simulation Study on the Effect of Wind Direction on SAR Imaging Shallow Water Bathymetry
Author :
Fan, Kaiguo ; Huang, Weigen ; Fu, Bin ; Gan, Xilin ; He, MingXia
Author_Institution :
State Key Lab. of Satellite Ocean Environ. Dynamics, Second Inst. of Oceanogr., Hangzhou
Abstract :
A simulation model of SAR imaging of shallow water bathymetry has been developed according to SAR imaging mechanism of shallow water bathymetry and based on the software toolkit M4S. According to the simulation results of shallow water bathymetry and based on the analysis of shallow water bathymetry ERS-2 SAR images off the west south of Jilong Island, the relationship between the sea surface wind direction and SAR imaging shallow water bathymetry has been improved. The results showed that, the expression of SAR imaging shallow water bathymetry is mainly affected by the sea surface wind direction. When the wind direction is parallel or adverse to the current component in the direction of shallow water bathymetry, dark streaks or bright streaks appear on SAR images. Under crosswind, the bright and dark streaks are alternant. And the adverse wind direction is better for SAR imaging of shallow water bathymetry.
Keywords :
bathymetry; geophysics computing; ocean waves; remote sensing by radar; synthetic aperture radar; wind; ERS-2 SAR images; Jilong Island; M4S software toolkit; bright dark streaks; ocean current component; sea surface wind direction; shallow water bathymetry; Backscatter; Oceanographic techniques; Optical surface waves; Radar imaging; Radar polarimetry; Sea surface; Surface topography; Surface waves; Synthetic aperture radar; Wind; SAR; shallow water bathymetry; wind direction;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2008. IGARSS 2008. IEEE International
Conference_Location :
Boston, MA
Print_ISBN :
978-1-4244-2807-6
Electronic_ISBN :
978-1-4244-2808-3
DOI :
10.1109/IGARSS.2008.4778881
