Earth & Environmental Sciences
fen
77%
peatland
68%
analytical method
57%
decomposition
47%
nuclear magnetic resonance
24%
absorbance
14%
peat
12%
mass spectrometry
11%
spectroscopy
11%
Glacial Lake Agassiz
10%
degradation
8%
sedge
8%
fluorescence spectroscopy
8%
soil carbon
6%
carbohydrate
6%
carbon cycle
6%
ionization
6%
Fourier transform
5%
porewater
5%
byproduct
5%
environmental factor
5%
organic matter
4%
ion
4%
vegetation
3%
matrix
3%
loss
3%
trend
3%
Chemical Compounds
Organic Matter
70%
Decomposition
42%
Peat
17%
FT/ICR Mass Spectrometry
15%
Surface
10%
Carbon Cycle
10%
Optical Spectroscopy
7%
Electrospray Ionization
6%
Fluorescence Spectroscopy
5%
Soil
5%
Carbohydrate
5%
1H NMR Spectroscopy
5%
Chemical Element
5%
Molecular Structure
4%
NMR Spectroscopy
4%
Chemical Transformation
4%
Weight
3%
Carbon Atom
3%
Molecule
2%