Datasets > Madagascar > 2020-2024

Satellite detected water extents in Farafangana and Vangaindrano districts, Atsimo Atsinanana region, as of 15 Feb.2022

The Centre for Humanitarian Data · 2022 Full Details

Full Details

Title
Satellite detected water extents in Farafangana and Vangaindrano districts, Atsimo Atsinanana region, as of 15 Feb.2022
Description
**UNOSAT code: TC20220201MDG** This map illustrates satellite-detected surface waters in Farafangana and Vangaindrano districts, Atsimo Atsinanana region, Madagascar as observed from Sentinel-1 image acquired of 15 February 2022 at 05:12 local time. Within the analyzed area of about 1,700 km2, about 5 km2 of lands appear to be flooded. The water extent appears to have decreased of about 80 km2 since 8 February 2022. Based on Worldpop population data and the detected surface waters, about 900 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 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. Satellite Data: Sentinel-1 Imagery Date: 15 Feb 2022 at 02:12 Local time Resolution: 10 m Copyright: Contains modified Copernicus Sentinel Data [2022]Source: ESA
Creator
UN Operational Satellite Applications Programme (UNOSAT)
Publisher
The Centre for Humanitarian Data
Temporal Coverage
2022-02-15
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 Farafangana and Vangaindrano districts, Atsimo Atsinanana region, as of 15 Feb.2022. The Centre for Humanitarian Data. https://data.humdata.org/dataset/5b34be41-e6e5-463c-9805-8a4cdb0dd419 (dataset)
  • BTAA Geoportal Link

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