Earth & Environmental Sciences
ecoregion
57%
surface flux
37%
net ecosystem exchange
21%
atmospheric carbon dioxide
19%
North America
12%
test
12%
distribution
11%
spatial distribution
11%
atmosphere
9%
carbon
9%
land
8%
evaluation
7%
modeling
6%
analysis
4%
Engineering & Materials Science
Biospherics
100%
Fluxes
39%
Towers
10%
Spatial distribution
4%
Ecosystems
3%
Carbon dioxide
3%
Carbon
2%
Agriculture & Biology
ecoregions
45%
carbon dioxide
37%
net ecosystem exchange
20%
chi-square distribution
15%
spatial distribution
10%
carbon
7%
testing
4%
Chemical Compounds
Ecosystem
28%
Carbon Dioxide
18%
Surface
15%
Carbon Atom
11%
Physics & Astronomy
towers
13%
near fields
6%
ecosystems
5%
carbon dioxide
3%
far fields
3%
spatial distribution
3%
atmospheres
2%
cycles
2%
carbon
2%
evaluation
2%
estimates
2%