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Satellite detected water extent over Province 2, Lumbini, Gandaki,and Bagmati provinces , Nepal as of 3 of July 2021

The Centre for Humanitarian Data · 2021 Full Details

Full Details

Title
Satellite detected water extent over Province 2, Lumbini, Gandaki,and Bagmati provinces , Nepal as of 3 of July 2021
Description
**UNOSAT code: FL20210630NPL** This map illustrates satellite-detected surface waters in Province 2, Lumbini, Gandaki,and Bagmati provinces , Nepal as observed from a Sentinel-1 image acquired on 3 July 2021 at 01:37 local time and using an automated analysis with Artificial Intelligence based methods. Within the analyzed area of about 17,000 km2 and, about 830km2 of lands appear to be flooded. Based on Worldpop population data and the detected surface waters in the analyzed area, the potentially exposed population is mainly located in the district of Parsa with ~386,000 people, Rautahat with ~221,500 people, Rupandehi with~148,800, and Bara with ~148,200 people. 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
2021-07-05
Date Issued
2022-02-18
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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Cite and Reference

  • Citation
    UN Operational Satellite Applications Programme (UNOSAT) (2022). Satellite detected water extent over Province 2, Lumbini, Gandaki,and Bagmati provinces , Nepal as of 3 of July 2021. The Centre for Humanitarian Data. https://data.humdata.org/dataset/a4838ba2-95b2-4d42-ab76-367be075816a (dataset)
  • BTAA Geoportal Link

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