Agriculture & Biology
permafrost
91%
Arctic region
62%
fossils
62%
soil organic matter
56%
total organic carbon
50%
carbon footprint
27%
Siberia
23%
organic carbon
21%
ice
20%
soil quality
18%
degradation
18%
soil formation
14%
sedimentation rate
13%
riparian areas
12%
carbon sinks
12%
detritus
11%
dryers
10%
global warming
10%
peat
10%
bulk density
9%
sediments
9%
climate
7%
vegetation
7%
grasses
7%
carbon
6%
leaves
4%
Earth & Environmental Sciences
permafrost
58%
fossil
44%
organic matter
39%
total organic carbon
37%
Weichselian
24%
soil condition
20%
fluvial deposit
19%
organic carbon
15%
Holocene
15%
periglacial environment
14%
decomposition
14%
ice
13%
interstadial
12%
river bank
12%
climate variation
11%
exposure
11%
carbon
11%
interglacial
10%
detritus
10%
sedimentation rate
10%
bulk density
9%
peat
9%
vertical distribution
9%
grass
8%
global warming
8%
degradation
6%
vegetation
6%
sediment
4%
parameter
3%
Engineering & Materials Science
Organic carbon
91%
Permafrost
85%
Biological materials
78%
Deposits
58%
Ice
20%
Soils
15%
Carbon
15%
Peat
14%
Decomposition
14%
Driers (materials)
13%
Sedimentation
12%
Sediments
12%
Global warming
11%
Rivers
9%
Degradation
6%
Physics & Astronomy
permafrost
100%
fossils
81%
deposits
53%
carbon
39%
Siberia
24%
soils
15%
ice
14%
peat
12%
decomposition
11%
grasses
11%
global warming
11%
vertical distribution
11%
drying apparatus
10%
vegetation
10%
rivers
9%
climate
9%
sediments
9%
leaves
7%
degradation
5%
estimates
4%
Chemical Compounds
Organic Carbon
65%
Organic Matter
64%
Soil
16%
Peat
13%
Decomposition
12%
Bulk Density
11%
Environment
11%
Sedimentation
9%
Carbon Atom
9%
Leaf Like Crystal
8%