Physics & Astronomy
satellite imagery
100%
dissolved organic matter
90%
Siberia
83%
rivers
65%
carbon
33%
permafrost
31%
river basins
24%
Arctic Ocean
24%
thematic mappers (LANDSAT)
23%
climate change
19%
remote sensing
13%
biogeochemistry
13%
Landsat 5
12%
Landsat 7
12%
remote regions
10%
tributaries
10%
degradation
9%
Russian Federation
7%
drainage
7%
shift
7%
soils
6%
complement
6%
sampling
5%
cycles
4%
causes
3%
estimates
3%
predictions
3%
Agriculture & Biology
dissolved organic matter
74%
dissolved organic carbon
68%
Siberia
60%
rivers
39%
permafrost
38%
Landsat
36%
Arctic region
26%
remote sensing
19%
climate change
14%
biogeochemistry
12%
river flow
12%
carbon
11%
degradation
10%
spectral analysis
8%
Russia
8%
soil organic matter
7%
complement
7%
sampling
6%
prediction
5%
soil
4%
Engineering & Materials Science
Satellite imagery
73%
Biological materials
66%
Organic carbon
66%
Rivers
50%
Permafrost
30%
Climate change
15%
Biogeochemistry
15%
Remote sensing
14%
Satellites
11%
Carbon
10%
Degradation
10%
Discharge (fluid mechanics)
10%
Fluxes
5%
Soils
5%
Sampling
5%
Earth & Environmental Sciences
satellite imagery
47%
permafrost
24%
river
24%
Landsat
22%
Arctic Ocean
18%
river basin
13%
degradation
10%
remote sensing
10%
carbon
9%
confluence
9%
biogeochemistry
9%
carbon flux
9%
river discharge
8%
draining
8%
river system
8%
tributary
7%
Pleistocene
6%
organic matter
5%
sampling
4%
calculation
4%
prediction
4%
soil
3%
Chemical Compounds
Organic Matter
54%
Biogeochemistry
11%
Carbon Atom
6%
Soil
6%
Sampling
5%