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20.10.2017 : 1:46 : +0200
31.08.2017 11:47 Age: 50 Tage

Houston, TX, Flood Map

Sentinel-1 C-band SAR data indicating extent of flood in Houston, TX, area.

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Image 1 shows an RGB composite of VV backscatter (red), VH backscatter (green) and VV/VH ratio (blue) on 12-Aug-2017 (as reference without flooding). 

 

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Image 2
shows the same composite on 30-Aug-2017. Water areas (including areas flooded) appear in dark blue-magenta color. Gree-yellow areas are not covered by water.


Sentinel-1 data courtesy ESA and EC Copernicus. Data processing Gamma Remote Sensing AG using GAMMA Software.