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satellite-detected-waters-in-ha-tinh-province-of-viet-nam-as-of-30-october-2020-showcase
  • Satellite detected waters in Ha Tinh Province of Viet Nam as of 30 October 2020
    United Nations Satellite Centre (UNOSAT)
    Time Period of the Dataset [?]: November 02, 2020-November 02, 2020 ... More
    Modified [?]: 19 November 2020
    Dataset Added on HDX [?]: 19 November 2020
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    This dataset updates: Never
    UNOSAT code: TC20201028VNM This map illustrates satellite-detected surface waters in Ha Tinh Province of Viet Nam as observed from a Sentinel-1 image acquired on 30 October 2020 at about 18:05 local time. Within the analyzed area of about 5,700 km2, a total of about 500 km2 of lands appear to be flooded. The water extent appears to have increased of about 450 km2 since 24 October 2020. Based on Worldpop population data and the detected surface waters, about 215,000 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.