Datasets > Madagascar > 2020-2024

Satellite detected water extents in Midongy-Atsimo district, Atsimo Atsinanana region, Madagascar as of 8 February 2022

The Centre for Humanitarian Data · 2022 Full Details

Full Details

Title
Satellite detected water extents in Midongy-Atsimo district, Atsimo Atsinanana region, Madagascar as of 8 February 2022
Description
**UNOSAT code: TC20220201MDG** This map illustrates satellite-detected surface waters in Midongy-Atsimo district, Atsimo Atsinanana region, Madagascar as of 8 February 2022 at 05:21 local time. The flood analysis were carried out by using an automated analysis with Artificial Intelligence based methods. Within the analyzed area of about 2,400 km2, ~150 km2 of lands appear to be flooded and about 2 km2 of croplands appear to be likely affected by the flood waters. Based on Worldpop population data and the detected surface waters in the analyzed area, the potentially exposed population is about 6,200 people 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
2022-02-11
Date Issued
2022-02-16
License
http://www.opendefinition.org/licenses/cc-by-sa
Access Rights
Public
Date Added
August 23, 2025

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Cite and Reference

  • Citation
    UN Operational Satellite Applications Programme (UNOSAT) (2022). Satellite detected water extents in Midongy-Atsimo district, Atsimo Atsinanana region, Madagascar as of 8 February 2022. The Centre for Humanitarian Data. https://data.humdata.org/dataset/0a7e7cf6-dfcf-449b-86b4-f84c8fb6c5d7 (dataset)
  • BTAA Geoportal Link

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