FOOD SECURITY AND MONITORING SYSTEMS - Food Security, Food Prices and Climate Variability - page 43

Evapotranspiration (ET) ET monthly anomaly

product

MODIS Land Surface
Temperature-based
estimate of irrigation
water

Regional (Central Asia) 1 km Monthly, 2000 to

present

Temperature MODIS Land Surface

Temperature

Estimates temperature of
land surface

Global 1 km Daily, 2000 to present

Vegetation NormalizedDifference

Vegetation Index (NDVI)

Advanced very high
resolution radiometer
(AVHRR)

Global 8,000 m Daily, 1981 to present

Vegetation eMODIS NDVI Moderate resolution

spectroradiometer
(MODIS data)

Global 250 m, 5,000 m Daily, 2000 to present

Vegetation SPOT 8 NDVI SPOTvegetationdata Global 1,000 m Daily, 1998 to present

Vegetation NDVI, surface relectance Landsat Global, not complete

coverage, less in
cloudy regions

30 m Variable, repeat overpass

time every 16 days,
available 1960s to
present

Land cover Multiple sensors, multiple

products

Agriculture land cover,
ields and farms, natural
vegetation types

Global, not validated in
many places

30 m to 8,000 m Annual, periodic, varies

Agricultural ields
(cropped area)

High resolution imagery Ikonos, Quickbird, Rapid

Eye, GeoEye

Global, not complete
coverage, less in
cloudy regions

1 m to 20 m Varies, record starts

approximately in 2000

Source : derivedfromBrown,2008,updatedandsummarized.
Acronyms
1 National Oceanic and Atmospheric Administration (NOAA).
2 Tropical Rainfall Monitoring Mission (TRMM).
3 Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E).
4 ClimateHazardgroupInfraRedPrecipitationwithStation(CHIRPS)data.
5 InfraRed (IR).
6 Advanced Very High Resolution Radiometer (AVHRR).
7 WorldHealthOrganization(WHO).
8 Satellite pour l'observation de la terre vegetation (spot vegetation).
9Normalizeddifferencevegetationindex(NDVI).