Floods

Mapping floodwater extent for active floods is critical for local and regional officials and for disaster relief organizations that need to ascertain where to focus their efforts. LANCE provides data to the Dartmouth Flood Observatory and the NRT Global MODIS Flood Mapping initiative.

Potentially useful data sets: MODIS Corrected Reflectance True Color and Bands 7-2-1, MODIS Land Surface Reflectance Bands 1-2-1, AIRS precipitation (day and night). In Worldview, LANCE imagery can be overlaid with the following data sets from the Socio Economic Data and Applications Center (SEDAC): Flood Hazard Frequency and Distribution, Flood Hazard-Mortality Risk and Flood Hazard Economic Risk.

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Read the disclaimer for more information about using the data.

Visualize NRT data related to Floods in Worldview
 
This image shows flooding in Mozambique. By January 2013, the Limpopo River had spilled over its banks with water spanning more than 10 kilometers in certain areas. Read more at NASA's Earth Observatory.
 

MODIS / Aqua

Product
(FTP download link)
Description
(Global Change Master Directory link)
Volume
(GB/day)
Browse Comments
MYD09GA L2G Light Surface Reflectance – Daily 500m and 1km 17.37 L2G Surface Reflectance Browse Bands 1-2-1
MYD09GQ L2G Light Surface Reflectance – Daily 250m 18.82 L2G Surface Reflectance Browse Bands 1-2-1

MODIS / Terra

Product
(FTP download link)
Description
(Global Change Master Directory link)
Volume
(GB/day)
Browse Comments
MOD09GA L2G Light Surface Reflectance – Daily 500m and 1km 17.48 L2G Surface Reflectance Browse Bands 1-2-1
MOD09GQ L2G Light Surface Reflectance – Daily 250m 18.91 L2G Surface Reflectance Browse Bands 1-2-1

AIRS / Aqua

Product
(FTP download link)
Description
(Global Change Master Directory link)
Volume
(GB/day)
Browse
L2 AIRX2SUP precip estimate   N/A N/A

 

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