Datasets > Bangladesh > 2020-2024

Satellite detected water extent as of 18 July 2020 over Eastern part of Sylhet Division, Bangladesh

Humanitarian Data Exchange · 2020 Full Details

Full Details

Title
Satellite detected water extent as of 18 July 2020 over Eastern part of Sylhet Division, Bangladesh
Description
**UNOSAT code: FL20200713BGD** This map illustrates satellite-detected surface waters over the Eastern part of the Sylhet division of Bangladesh as observed from a TerraSAR-X image acquired on 18 July 2020 due to the current monsoon rains. Within the analyzed area of about 8,600 km2, a total of about 2,200 km2 of lands appear to be flooded. This is a preliminary analysis and has not yet been validated in the field. Based on WorldPop population data and the detected surface waters, about 2,000,000 people area potentially exposed or living close to flooded areas. Please send ground feedback to UNITAR - UNOSAT. Important Note: Flood analysis from radar images may underestimate the presence of standing waters in built-up areas and densely vegetated areas due to backscattering properties of the radar signal.
Creator
UN Operational Satellite Applications Programme (UNOSAT)
Publisher
Humanitarian Data Exchange
Temporal Coverage
2020-07-21
Date Issued
2020-07-24
License
http://www.opendefinition.org/licenses/cc-by-sa
Access Rights
Public
Date Added
August 23, 2025
Provenance Statement
The metadata for this resource was last retrieved from Humanitarian Data Exchange on 2026-01-15.

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Cite and Reference

  • Citation
    UN Operational Satellite Applications Programme (UNOSAT) (2020). Satellite detected water extent as of 18 July 2020 over Eastern part of Sylhet Division, Bangladesh. Humanitarian Data Exchange. https://data.humdata.org/dataset/55520d2b-d287-4c31-8816-08d06bca286f (dataset)
  • BTAA Geoportal Link

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