Datasets > Lao People's Democratic Republic > 2020-2024

Satellite detected water extents in Vientiane Capital, Lao PDR as of 18 September 2024

The Centre for Humanitarian Data · 2024 Full Details

Full Details

Title
Satellite detected water extents in Vientiane Capital, Lao PDR as of 18 September 2024
Description
**UNOSAT code: FL20240913LAO** This map illustrates the floods using Sentinel-1 images acquired on 18 September 2024 at 06:00 local time. Within the analyzed area of approximately 7,000 km², around 230 km² of land appears to be affected by floodwaters. The extent of the flooding has increased by approximately 50 km² since the previous observation on 13 September 2024. Based on WorldPop spatial demographic data, an estimated 26,000 people are currently exposed or residing near the flooded areas. 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
The Centre for Humanitarian Data
Temporal Coverage
2024-09-20
Date Issued
2024-09-21
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 in Vientiane Capital, Lao PDR as of 18 September 2024. The Centre for Humanitarian Data. https://data.humdata.org/dataset/f5b69de9-9a02-4f9e-802a-4dbf1aca34a5 (dataset)
  • BTAA Geoportal Link

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