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Overview of Flood Waters in and around Ayutthaya Province, Thailand

Fri, 29 Oct 2010 20:03:04 GMT
 International Charter Space and Major Disasters
Product ID: 1517 - English
Published: 29 Oct, 2010
GLIDE: FF-2010-000207-THA
FootPrint (Lat x Long, WSG84 Geographic, decimal degrees)
TopLeft: 15.1 x 100
BottomRight: 14 x 101

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This map presents the potential flood affected lands in and around Ayuthaya Province and Chao Phraya river in Thailand. The analysis reaches from the province of Lopburi in north till Pathum Thani in the south.There is possiblitity of floods extending till Bangkok in the near future. MODIS imagery was acquired on 29 October 2010 and has a resolution of 250m. Due to the delta character, cloud coverage, extensive presence of rice fields over the observed area and lack of corresponding pre-crisis MODIS data, the analysis has a high level of uncertainty. Detected water bodies likely reflect an underestimation of all flood-affected areas within the map extent. This analysis has not yet been validated in the field. Please send ground feedback to UNITAR / UNOSAT.

Map Scale for A3: 1:430,000; Projection : UTM Zone 47 North; Datum : WGS-84 (EGM-96)
Crisis Satellite Data: MODIS
Resolution: 250 meters
Image Date: 29 October 2010
Source: NASA
Elevation Data: Aster GDEM
Source: METI & NASA 2009
GIS Data: NGA, OCHA
Hydrology Data: USGS HydroSheds/ESRI
Road Data: OSM
Airfield Data: NGA
Place names: Global Insight
Flood Analysis: UNITAR / UNOSAT
Map Production: UNITAR / UNOSAT
Projection: UTM Zone 47N
Datum: WGS-84

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