Earth & Environmental Sciences
accumulation rate
22%
acid
8%
active layer
16%
amino acid
19%
biomarker
19%
carbon
51%
carbon cycle
6%
carbon stock
7%
carbon storage
7%
climate
7%
dating
5%
decomposition
5%
degradability
9%
degradation
9%
ecotone
8%
environmental change
6%
freezing
12%
index
14%
indicator
4%
interstadial
25%
Last Glacial Maximum
7%
lignin
22%
marine isotope stage
25%
material
2%
measuring
4%
mineral
3%
organic carbon
70%
organic matter
18%
organic soil
7%
permafrost
89%
Postglacial
7%
productivity
4%
residence time
6%
sediment
6%
soil
2%
soil organic matter
6%
temperature
2%
transfer function
7%
transition
4%
trend
3%
tundra
7%
warming
5%
Chemical Compounds
Acid
9%
Biological Marker
19%
Carbon Atom
42%
Carbon Cycle
10%
Chemical Transformation
57%
Decomposition
4%
Glycerol
12%
Hydroxyproline
28%
Indicator
6%
Isotope
18%
Lignin
20%
Mineral
5%
Muramic Acid
11%
Organic Carbon
100%
Organic Matter
30%
Residence Time
7%
Soil
11%
Soil Organic Matter
10%
Tundra
14%