Earth & Environmental Sciences
dune
100%
desert
80%
remote sensing
68%
synthetic aperture radar
62%
radar
56%
scatterometer
42%
sand
38%
soil water
37%
water content
37%
surface roughness
32%
soil moisture
29%
erg
27%
arid environment
25%
detection
25%
backscatter
24%
roughness
24%
ERS
23%
monitoring
22%
spatial analysis
22%
microwave
21%
soil
19%
bare soil
17%
topsoil
16%
Landsat
16%
disaster
16%
shrub
15%
vegetation
14%
crust
14%
TerraSAR-X
14%
parameter
13%
Mars
13%
spectral reflectance
12%
spatial distribution
12%
imagery
12%
moisture content
12%
vegetation cover
11%
soil crust
11%
geomorphology
11%
moisture
10%
land cover
10%
spatial resolution
10%
mobilization
10%
effect
10%
experiment
10%
geographic information system
10%
analysis
9%
luminescence
9%
soil surface
9%
laboratory
9%
pasture
9%
Engineering & Materials Science
Remote sensing
63%
Pixels
49%
Anomaly detection
46%
Target tracking
46%
Soils
40%
Hyperspectral imaging
30%
Radar
28%
Water content
26%
Synthetic aperture radar
26%
Speckle
25%
Covariance matrix
22%
Soil moisture
22%
Infrared radiation
20%
Imaging techniques
17%
Monitoring
17%
Backscattering
16%
Infrared imaging
14%
Sand
14%
Calibration
12%
Microwaves
12%
Disasters
12%
Polarization
11%
Interferometry
11%
Spectrometers
11%
Gases
11%
Agriculture
10%
Mountings
10%
Moisture
9%
Rivers
9%
Space-based radar
8%
Surface roughness
8%
Tsunamis
8%
Education
8%
STEM (science, technology, engineering and mathematics)
8%
Factorization
8%
Aerial photography
7%
Ecosystems
7%
Radar clutter
7%
Population dynamics
7%
Satellites
6%
Light scattering
6%
Degradation
6%
Students
6%
Earth (planet)
6%
Spectrometry
6%
Oil spills
6%
Crops
6%
Principal component analysis
6%
Odors
6%
Spectroscopy
5%
Agriculture & Biology
radar
54%
remote sensing
47%
deserts
41%
dunes
37%
Israel
33%
synthetic aperture radar
27%
surface roughness
18%
sand
15%
Turkmenistan
14%
eolian sands
11%
roughness
11%
Acacia
10%
soil water content
10%
Landsat
10%
Pistacia
9%
microwave radiation
9%
Advanced Spaceborne Thermal Emission and Reflection Radiometer
9%
roughness length
9%
case studies
8%
aerodynamics
8%
General Circulation Models
8%
soil
7%
land cover
7%
reflectance
7%
water content
7%
land degradation
6%
land use change
6%
support vector machines
6%
disasters
6%
green leafy vegetables
5%
photographs
5%
fine roots
5%
Ukraine
5%
soil water
5%
beers
5%
image analysis
5%
sea level
5%
durum wheat
5%
neural networks
5%
evapotranspiration
5%
semi-empirical models
5%
topography
5%