Earth & Environmental Sciences
vegetation
100%
vegetation index
98%
NDVI
82%
phenology
72%
MODIS
67%
reflectance
38%
desert
37%
land cover
33%
productivity
32%
land surface
31%
time series
31%
AVHRR
28%
climate
26%
ecosystem
26%
grassland
26%
Landsat
26%
monitoring
25%
imagery
25%
canopy
24%
sensor
22%
soil
22%
growing season
22%
albedo
22%
decision support system
22%
bidirectional reflectance
21%
soil moisture
21%
wildfire
20%
remote sensing
19%
nadir
19%
Central Asia
19%
radiative transfer
19%
riparian vegetation
19%
leaf area index
17%
vegetation dynamics
17%
drought
16%
land use
16%
satellite data
16%
detection
15%
shrub
15%
photosynthetically active radiation
15%
EOS
15%
rangeland
15%
SeaWiFS
14%
crop production
14%
snow water equivalent
14%
snow
14%
index
14%
mosquito
13%
quality assurance
13%
savanna
13%
Agriculture & Biology
vegetation index
50%
vegetation
47%
reflectance
41%
normalized difference vegetation index
39%
moderate resolution imaging spectroradiometer
36%
remote sensing
33%
land cover
26%
phenology
24%
advanced very high resolution radiometer
22%
ecosystems
22%
radiative transfer
21%
canopy
19%
Sahel
17%
snowpack
16%
Earth Observing System
16%
soil
15%
deserts
15%
Niger
15%
shrubs
13%
savannas
13%
land use
12%
monitoring
12%
woody plants
12%
vegetation cover
12%
uncertainty
11%
time series analysis
11%
climate
11%
arid lands
11%
albedo (reflectance)
10%
image analysis
9%
Gila
9%
grasslands
9%
snow
9%
leaf reflectance
8%
Tamarix
8%
riparian vegetation
8%
soil water
8%
wildfires
7%
Landsat
7%
Central Asia
7%
growing season
7%
least squares
7%
insect vectors
7%
tropical forests
7%
USSR
7%
mixed forests
7%
coniferous forests
7%
soil texture
7%
Strigiformes
6%
smoke
6%