Datasets > Bangladesh > 2020-2024

Satellite detected water extent and impact over Sylhet, Mymensingh, Dhaka, and Chattogram Divisions as of 19 Jun. 2022.

The Centre for Humanitarian Data · 2022 Full Details

Full Details

Title
Satellite detected water extent and impact over Sylhet, Mymensingh, Dhaka, and Chattogram Divisions as of 19 Jun. 2022.
Description
**UNOSAT code: FL20220525BGD** This map illustrates satellite-detected surface waters in Sylhet, Mymensingh, Dhaka, and Chattogram Divisions, Bangladesh observed from a RCM-1 images acquired on 19 Jun. 2022 at 18:02 local time. Within the analyzed area of about 22,300 km2, about 9,500 km2 of lands appear to be flooded. In this area, about 7,860 km2 of croplands and 1,340 km2 of herbaceous wetland appear to be likely affected by the flood waters. Based on Worldpop population data and the detected surface waters, about 7,334,000 people are 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 United Nations Satellite Centre (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
The Centre for Humanitarian Data
Temporal Coverage
2022-06-21
Date Issued
2022-06-28
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 2025-08-23.

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  • Citation
    UN Operational Satellite Applications Programme (UNOSAT) (2022). Satellite detected water extent and impact over Sylhet, Mymensingh, Dhaka, and Chattogram Divisions as of 19 Jun. 2022.. The Centre for Humanitarian Data. https://data.humdata.org/dataset/95b840e8-7832-41e6-ab47-6a02fe92ebdc (dataset)
  • BTAA Geoportal Link

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