Product ID: 2664 - English
Published: 13 Sep, 2017
GLIDE: TC20170902PRI

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This map illustrates the satellite-detected surface waters in Caicos Islands (Turks & Caicos) as observed from the Radarsat-2 radar image acquired on 12 September 2017, following the landfall of tropical cyclone IRMA-17 on 08 September 2017. Within the analysed area, the increase of surface waters extent is about 44%. 17,562 ha of surface waters were detected before the landfall and reached ~25,444 ha the 12 September 2017. It is likely that flood waters have been systematically underestimated along highly vegetated areas, along the main riverbanks and within built-up urban areas because of the special characteristics of the used satellite data. This is a preliminary analysis and has not yet been validated in the field. Please send ground feedback to UNITAR - UNOSAT.
Satellite Data (Post): Radarsat-2
Imagery Dates:12 September 2017
Resolution: 6 m
Copyright: MacDonald, Dettwiler and
Associates Ltd.(2017) - All Rights Reserved
Source: CSA
Reference water: Global Surface Water / Nature 540, 418-422 (2016)
Baseline Data: Open Street Map, GADM
Analysis : UNITAR - UNOSAT
Production: UNITAR - UNOSAT