Earth & Environmental Sciences
productivity
100%
ecosystem
69%
primary production
66%
net primary production
65%
vegetation
50%
drought
48%
bioenergy
45%
warming
44%
MODIS
42%
evapotranspiration
41%
carbon
38%
grass
38%
grassland
37%
tropical forest
35%
microwave
34%
land
33%
North America
31%
ultraviolet B radiation
30%
remote sensing
29%
carbon balance
28%
land surface
28%
terrestrial ecosystem
28%
savanna
27%
canopy
26%
sorghum
26%
energy
25%
leaf area
25%
biome
25%
leaf litter
24%
index
24%
hiatus
24%
Arctic region
24%
surface reflectance
24%
fluorescence
24%
grazing
23%
water use
23%
ultraviolet radiation
23%
leaf area index
23%
experiment
23%
loss
22%
ecological impact
22%
pasture
22%
observation satellite
22%
Southeast Asia
22%
prairie
21%
spectroscopy
21%
land cover
21%
NDVI
21%
livestock
21%
solar radiation
21%
Agriculture & Biology
gross primary productivity
81%
ecosystems
69%
net primary productivity
67%
arid lands
48%
primary productivity
48%
drought
43%
moderate resolution imaging spectroradiometer
40%
grasses
32%
carbon
30%
terrestrial ecosystems
29%
Sorghum halepense
29%
Landsat
29%
tallgrass prairies
28%
remote sensing
27%
reflectance
27%
tropical forests
27%
global change
27%
canopy
26%
mixed forests
24%
Artemisia
24%
Acacia
23%
spectroscopy
22%
bioenergy
22%
heat
21%
coniferous forests
21%
evapotranspiration
21%
leaf area index
21%
grasslands
21%
image analysis
21%
plant litter
21%
eddy covariance
18%
net ecosystem production
18%
ultraviolet radiation
18%
solar radiation
17%
leaf area
17%
energy
16%
water
15%
radiometers
14%
vegetation
14%
water stress
14%
savannas
13%
uncertainty
13%
Acacia robusta
13%
climate change
13%
China
13%
seedlings
12%
degradation
12%
temperature
12%
phenology
11%
carbon cycle
11%