Earth & Environmental Sciences
optical property
83%
NDVI
58%
ecosystem
49%
sampling
47%
monitoring
33%
chaparral
30%
ecosystem dynamics
25%
vegetation
25%
spectral reflectance
23%
robotics
23%
carbon flux
22%
snow cover
21%
assimilation
18%
detector
18%
spectrometer
17%
carbon dioxide
16%
perturbation
16%
drought
16%
disturbance
14%
remote sensing
13%
rainfall
13%
indicator
12%
atmosphere
12%
Agriculture & Biology
optical properties
100%
normalized difference vegetation index
65%
ecosystems
63%
monitoring
32%
sampling
29%
chaparral
25%
vegetation
24%
carts
24%
snowpack
22%
field methods
21%
remote sensing
19%
spectrometers
18%
detectors
17%
reflectance
17%
drought
13%
species diversity
13%
carbon dioxide
13%
rain
13%
carbon
11%