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