Abstract

In the course of the catastrophic flood this year,China Remote Sensing Satellite Ground Station(RSGS),utilizing Radarsat,Which is up to now the advanced civil microwave radar satellite in the world and lanched by Canada in 1995,undertaked full field monitoring,repeatedly on the Changjiang River valley and the Nen Snog valley with dynarmic frequency of every three days from the middle of July,which has taken important effects on relevent departments' timely keeping abreast of flood situation.This paper briefs the technology characteristics of Radarsat SAR and its positive role in high speed response on the flood of this year.

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