Datasets > Bangladesh > 2020-2024

Satellite detected water extent as of 20 July 2020 over the Northeastern region of Bangladesh

Humanitarian Data Exchange · 2020 Full Details

Full Details

Title
Satellite detected water extent as of 20 July 2020 over the Northeastern region of Bangladesh
Description
**UNOSAT code: FL20200713BGD** This map illustrates satellite-detected surface waters over Chittagong, Dhaka, Mymensingh and Sylhet Divisions of Bangladesh as observed from a Sentinel-1 image acquired on 20 July 2020 due to the current monsoon rains. Within the analyzed area of about 14,250 km2, a total of about 7,120 km2 of lands appear to be flooded. Based on WorldPop population data and the detected surface waters, about 6,700,000 people area potentially exposed or living close to flooded areas. This is a preliminary analysis and has not yet been validated in the field. 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
2020-07-22
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 20 July 2020 over the Northeastern region of Bangladesh. Humanitarian Data Exchange. https://data.humdata.org/dataset/cda9912c-eabf-4518-a638-b41eef7ce6a5 (dataset)
  • BTAA Geoportal Link

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