Product ID: 1381 - English
Published: 30 Sep, 2009
GLIDE: FL-2009-000170-MRT
FootPrint (Lat x Long, WSG84 Geographic, decimal degrees)
TopLeft: 17 x -16.5
BottomRight: 14.5 x -12

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This map illustrates satellite-detected changes in the flood water levels in northern Senegal and southern Mauritania, as based on change detection methods using multiple MODIS Aqua & Terra data acquired over the period of 29 August - 21 September 2009. There are 3 water classes represented in the map: Flood water present throughout 29 August - 21 September 2009 (yellow) flood water present durring 29 August - 07 September (orange) flood water present durring 19 - 21 September (red). This data is a conservative estimate of the event and is a preliminary analysis which has not yet been validated in the field.
Satellite Data .................... MODIS Terra & Aqua
Imagery Dates ................... 29 Aug. - 07 Sep. & 19 - 21 Sep. 2009
Resolution ......................... 250 m
Source .............................. NASA
Elevation Data ................... ASTER GDEM & SRTM
Resolution .......................... 27m / 90m
Source ............................... METI & NASA 2009
Road Data ......................... Global Insight
Other Data ......................... WDPA, USGS, NGA
Flood Analysis .................... UNITAR / UNOSAT
Map Production ................ UNITAR / UNOSAT
Projection ........................... Transverse Mercator
Datum ................................ WGS-84