Satellite detected water extents over Sukhuma District, Champasak Province, LAO PDR as of 1 October 2022 | Imagery Analysis: 01/10/2022 Published 03/10/2022 V1

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Satellite detected water extents over Sukhuma District, Champasak Province, LAO PDR as of 1 October 2022 | Imagery Analysis: 01/10/2022 Published 03/10/2022 V1

Countries: Lao PDR
Sources: UNOSAT
Publication date: October 1, 2022
Origin: View original

This map illustrates satellite-detected surface waters in Sukhuma District, Champasak Province, Lao PDR as observed from a Sentinel-1 image acquired on 1 October 2022 at 05:45 local time. Within the extent of this map of 360 km2 , about 12 km2 of lands appear to be flooded. Based on Worldpop population data and the detected surface waters in the map extent, about 2,500 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 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.