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Drought

Agro-climatic monitoring programs and global food security risks are monitored using MODIS NRT data from LANCE. There are several global/regional scale systems in place that report on drought and food shortages including the USAID Famine Early Warning Systems Network (FEWS NET).

Potentially useful data sets: Corrected Reflectance True Color and Bands 7-2-1, Land Surface Reflectance bands 1-2-1, Snow Cover, 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 (1985 - 2003), Flood Hazard-Mortality Risk and Flood Hazard Economic Risk.

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Downloadable NRT data related to Drought

MODIS / Aqua

Product
(FTP download link)
Description
(Global Change Master Directory link)
Volume (GB/day)BrowseComments
MYD09GAL2G Light Surface Reflectance – Daily 500m and 1km17.37L2G Surface Reflectance BrowseBands 1-4-3 & Bands 1-2-1
MYD09GQL2G Light Surface Reflectance – Daily 250m18.82L2G Surface Reflectance BrowseBands 1-4-3 & Bands 1-2-1
MYD10_L2L2 Snow Cover, 5-Min Swath 500m0.26L2 Snow Cover Browse 

MODIS / Terra

Product
(FTP download link)
Description
(Global Change Master Directory link)
Volume (GB/day)BrowseComments
MOD09GAL2G Light Surface Reflectance – Daily 500m and 1km17.48L2G Surface Reflectance BrowseBands 1-4-3 & Bands 1-2-1
MOD09GQL2G Light Surface Reflectance – Daily 250m18.91L2G Surface Reflectance BrowseBands 1-4-3 & Bands 1-2-1
MOD10_L2L2 Snow Cover, 5-Min Swath 500m0.26L2 Snow Cover Browse 

AIRS / Aqua

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