Earth & Environmental Sciences
bare soil
100%
vegetation
72%
semiarid region
62%
litter
56%
soil
51%
spectrometer
50%
canopy
48%
growth form
37%
leaf area
36%
ecosystem
35%
soil cover
34%
vegetation dynamics
34%
spectral reflectance
34%
phenology
32%
arid region
31%
vegetation cover
28%
South America
27%
reflectance
25%
temporal variation
25%
spatial variation
24%
North America
23%
GIS
22%
land use
19%
remote sensing
19%
climate
16%
analysis
15%
comparison
12%
method
6%
Agriculture & Biology
vegetation
88%
soil
60%
spectrometers
53%
arid zones
49%
reflectance
48%
canopy
38%
ecosystems
36%
geographic information systems
29%
remote sensing
28%
vegetation cover
27%
spatial variation
25%
temporal variation
25%
spectral analysis
24%
land use
23%
phenology
22%
functional properties
22%
leaf area
20%
image analysis
19%
climate
19%
plant growth
17%
methodology
6%