Vegetation

NDVI images produced from LANCE data are used to monitor vegetation and crop condition. USDA FAS crop forecasters routinely vegetation indices produced by the Global Agricultural Monitoring project using data from LANCE to better predict crop yields. Groups such as FAO Desert Locust Information Service flag anomalies in vegetation.

Potentially useful data sets: MODIS Corrected Reflectance True Color, Land Surface Reflectance Bands 1-2-1 amd 1-4-3, MODIS Snow Cover, Land Surface Temperature (day and night), MODIS Vegetation Indices - Normalized Difference Vegetation Index and Enhanced Vegetation Index.

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Agro-climatic monitoring programs and global food security risks can be monitored using NRT MODIS data. There are several existing global/regional scale systems in place including a Famine Early Warning System (FEWS NET) which reports on drought and food shortages on a daily basis. Read more about monitoring vegetation at NASA's Earth Observatory.

MODIS / Aqua

Product
(FTP download link)
Description
(Global Change Master Directory link)
Volume
(GB/day)
Browse Comments
MYD11_L2 L2 Surface Temperature and Emissivity, 5-Min Swath 1km 0.65 L2 Surface Temperature Browse N/A
MYD10_L2 L2 Snow Cover, 5-Min Swath 500m 0.26 L2 Snow Cover Browse N/A
MYD09GA L2G Light Surface Reflectance – Daily 500m and 1km 17.37 L2G Surface Reflectance Browse Bands 1-4-3 & Bands 1-2-1
MYD09GQ L2G Light Surface Reflectance – Daily 250m 18.82 L2G Surface Reflectance Browse Bands 1-4-3 & Bands 1-2-1

MODIS / Terra

Product
(FTP download link)
Description
(Global Change Master Directory link)
Volume (GB/day) Browse Comments
MOD11_L2 L2 Surface Temperature and Emissivity, 5-Min Swath 1km 0.67 L2 Surface Temperature Browse N/A
MOD10_L2 L2 Snow Cover, 5-Min Swath 500m 0.26 L2 Snow Cover Browse N/A
MOD09GA L2G Light Surface Reflectance – Daily 500m and 1km 17.48 L2G Surface Reflectance Browse Bands 1-4-3 & Bands 1-2-1
MOD09GQ L2G Light Surface Reflectance – Daily 250m 18.91 L2G Surface Reflectance Browse Bands 1-4-3 & Bands 1-2-1
MOD09A1N L3 Daily Rolling 8-Day Surface Reflectance - 500m 16.9 N/A Bands 1-4-3 & Bands 1-2-1
MOD09Q1N L3 Daily Rolling 8-Day Surface Reflectance - 250m 15.9 N/A Bands 1-4-3 & Bands 1-2-1
MOD13A4N L3 Daily Rolling-8-Day Vegetation Indices - 500m 13.97 N/A NDVI and EVI
MOD13Q4N L3 Daily Rolling-8-Day Vegetation Indices - 250m 46.92 N/A NDVI and EVI
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