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Flood Waters Over Affected Areas of Gaza & Maputo Province, Mozambique

Tue, 15 Feb 2011 08:41:17 GMT
 International Charter Space and Major Disasters
Product ID: 1535 - English
Published: 15 Feb, 2011
GLIDE: FL-2011-000013-MOZ
FootPrint (Lat x Long, WSG84 Geographic, decimal degrees)
TopLeft: -24.1 x 32.4
BottomRight: -25.4 x 33.7

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This map illustrates satellite-detected flood waters over the affected districts of Chibuto, Chowke & Xai-Xai of Gaza province and Manhic, Magude & Bilene of Maputo province, Mozambique. Flood waters were identified through an analysis of PALSAR satellite data recorded on 05 February 2011 with a medium degree of confidence. The pre-flood water extent was extracted from Radarsat-1 data collected on 3 February 2008. This flood detection is a preliminary analysis & has not yet been validated in the field. It is possible that flood waters have been significantly underestimated in certain vegetated areas along the Limpopo and Incomati rivers because of water signature confusion in the radar data. Flood waters shown in this map thus likely represent minimum estimates. The rainfall data was derived from the Tropical Rainfall Monitoring Mission (TRMM) precipitation dataset at a spatial resolution of approximately 25km for this region. It is possible that precipitation levels may have been underestimated for local areas, and is not a substitute for ground station measurements.
Crisis Satellite Data: PALSAR
Resolution: 100m
Date Series: 05 Feb. 2011
Pre Crisis Satellite Data: Radarsat-1
Resolution: 25m
Date Series: 03 Feb. 2008
Flood Analysis: UNOSAT
Rainfall Data: TRMM (NASA)
Resolution: 0.25 deg
Date Series: 10 - 30 January2011
Hydrology data: Hydrosheds (USGS),ESRI
Transport Data: Google Map Maker
Copyright: © 2011 improved with
GoogleMapMaker
Other GIS Data: NGA, USGS
Map Production: UNOSAT (04 Feb. 2011)
Projection: UTM, Zone 36 South
Datum: WGS 1984
Produced using ArcGIS

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