Datasets > Bangladesh > 2020-2024

Satellite detected water extents between 28 August & 4 September 2024 in Bangladesh

Humanitarian Data Exchange · 2024 Full Details

Full Details

Title
Satellite detected water extents between 28 August & 4 September 2024 in Bangladesh
Description
**UNOSAT code: FL20240825BGD** This map illustrates the aggregated floods using Sentinel-1 images acquired between 18 to 26 August 2024 and between 28 August & 4 September 2024 using an automated analysis with a machine learning method. Within the analysed area of about 140,000 km², a total of about 8,100 km² of land appears to be affected by flood waters. Based on Worldpop spatial demographic data, about 6.2 million people are exposed or living close to flooded areas. Over these two periods, floodwaters receded by approximately 8,700 km². This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to the 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 the backscattering properties of the radar signal.
Creator
UN Operational Satellite Applications Programme (UNOSAT)
Publisher
Humanitarian Data Exchange
Temporal Coverage
2024-09-08
Date Issued
2024-09-08
License
http://www.opendefinition.org/licenses/cc-by-sa
Access Rights
Public
Date Added
November 01, 2024
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) (2024). Satellite detected water extents between 28 August & 4 September 2024 in Bangladesh. Humanitarian Data Exchange. https://data.humdata.org/dataset/007de930-02e7-4b32-8a6c-774c86eb2c8f (dataset)
  • BTAA Geoportal Link

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