Product ID: 2647 - English
Published: 23 Aug, 2017
GLIDE: FL20170815BGD

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This map illustrates satellite-detected surface water extent in the central and southern parts of Bangladesh using a Sentinel-1 satellite image acquired on the 22 August 2017. In the analysed area; 608,747 ha of lands are likely affected. These lands are mainly cropland irrigated and rainfed areas and estimated to 475,000 ha. The population exposure analysis using WorldPop data shows that ~6,400,000 people are potentially affected by floods in the analysed zone: ~2,300,000 are located in Chittagong Division and ~2,170,000 in Dhaka Division. Please note that for visualization purposesanalyzed area is wider than the extent of this map. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR-UNOSAT.
Satellite Data (1): Sentinel-1
Imagery Dates: 22 August 2017
Resolution: 10 m
Copyright: Copernicus 2017 / ESA
Source: ESA
CCI Land Cover Data: ESA
Population data: WorldPop
Reference water: Global Surface Water / Nature 540, 418-422 (2016)
Baselines : OpenStreetMap, HDX
Analysis : UNITAR - UNOSAT
Production: UNITAR - UNOSAT