Datasets > Nigeria > 2020-2024

Satellite detected water extents from 5 to 9 September 2024 over Nigeria

The Centre for Humanitarian Data · 2024 Full Details

Full Details

Title
Satellite detected water extents from 5 to 9 September 2024 over Nigeria
Description
**UNOSAT code: FL20240902NGA, GDACS ID: 1102720** This map illustrates cumulative satellite-detected water using VIIRS in Nigeria between 5 to 9 September 2024. Within the cloud free analyzed areas of about 815,000 km², a total of about 14,000 km² of lands appear to be affected with flood waters. Based on Worldpop population data and the maximum flood water extent, about 2,650,000 people are potentially exposed or living close to flooded areas. The pixelwise water fraction from VIIRS, using a 5-day composite at 375 m spatial resolution, indicates potential floodwater coverage ranging from 0% to 100%. This large-scale analysis is intended for guidance purposes and has not yet been validated with ground truth data or higher-resolution analysis. The population exposure analysis is based on floodwaters observed only in cloud-free areas, so the total number of people exposed may be underestimated. 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).
Creator
UN Operational Satellite Applications Programme (UNOSAT)
Publisher
The Centre for Humanitarian Data
Temporal Coverage
2024-09-11
Date Issued
2024-09-12
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 2025-08-23.

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Cite and Reference

  • Citation
    UN Operational Satellite Applications Programme (UNOSAT) (2024). Satellite detected water extents from 5 to 9 September 2024 over Nigeria. The Centre for Humanitarian Data. https://data.humdata.org/dataset/43caf721-6bdd-45b9-819a-d3fec36b2b29 (dataset)
  • BTAA Geoportal Link

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