Earth & Environmental Sciences
reflectance
100%
seedling
80%
understory
52%
transmittance
50%
bark
49%
photogrammetry
42%
boreal forest
39%
remote sensing
38%
senescence
37%
library
36%
flower
33%
spectral reflectance
29%
measuring
26%
growing season
25%
fertility
24%
wavelength
22%
calculation
21%
nadir
19%
evaluation
18%
seasonality
18%
NDVI
18%
oak
17%
index
15%
pine
15%
vegetation index
14%
forest canopy
13%
near infrared
13%
vegetation
12%
bidirectional reflectance
12%
flowering
12%
scattering
10%
spectrometer
10%
method
9%
information system
9%
shrub
8%
repository
7%
anisotropy
7%
moisture
7%
spatial distribution
6%
interspecific variation
6%
total parameter
6%
intraspecific variation
5%
canopy reflectance
5%
detection
5%
Agriculture & Biology
reflectance
81%
Vaccinium vitis-idaea
57%
boreal forests
47%
understory
46%
blueberries
45%
bark
37%
leaves
27%
spectrometers
21%
remote sensing
20%
Pinus sylvestris
20%
Picea abies
20%
small fruits
18%
normalized difference vegetation index
17%
growing season
16%
spectral analysis
14%
flowers
13%
Quercus petraea
13%
Quercus
13%
anisotropy
10%
forest canopy
9%
forest types
9%
Vaccinium myrtillus
9%
forest stands
8%
vegetation index
8%
information systems
8%
Finland
8%
information retrieval
6%
tree height
6%
vegetation
5%
shrubs
5%
spatial distribution
5%
wavelengths
5%
transmittance
5%
surface area
5%
Physics & Astronomy
photogrammetry
56%
remote sensing
47%
photons
43%
leaves
22%
quotients
17%
reflectance
15%
wavelengths
12%
vegetation
12%
canopies
6%
goniometers
5%
spectral signatures
5%
