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 International Charter Space and Major Disasters
Product ID: 1386 - English
Published: 12 Oct, 2009
GLIDE: TC-2009-000214-PHL

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This map illustrates satellite-detected areas likely affected by flood water in Cagayan Province, Philippines, as based on change detection methods using ALOS-PALSAR data acquired over the area on 6 October 2009 and on 9 September and 23 August 2009. The newly released ASTER global elevation model (GDEM) was also used in the flooding analysis. This flood assessment is a preliminary analysis & has not yet been validated in the field.
Satellite Data (1): ALOS-PALSAR
Imagery Dates : 6 Oct. 2009 / 9 Sept. / 23 Aug.
Resolution : 12.5 m
Copyright : JAXA (2009)
Elevation Data : ASTER GDEM
Resolution : 27m
Source : METI & NASA 2009
Rainfall Data: TRMM (NASA)
Road Data : Google Map Maker 2009
Other Data : OSM, ESRI, USGS, NGA
Flood Analysis: UNITAR / UNOSAT
Map Production : UNITAR / UNOSAT
Projection : UTM Zone 51 North
Datum : WGS-84