Earth & Environmental Sciences
maize
100%
ecosystem
88%
eddy covariance
74%
soybean
69%
respiration
53%
growing season
44%
nitrous oxide
43%
fen
42%
canopy
40%
methane
38%
isotope
37%
budget
37%
carbon budget
36%
partitioning
34%
water vapor
32%
atmosphere
31%
carbon dioxide
30%
flux measurement
29%
photosynthesis
28%
carbon
28%
boreal forest
27%
evapotranspiration
27%
wetland
26%
carbon balance
25%
seasonality
24%
peatland
24%
mixing ratio
23%
biosphere
22%
summer
21%
carbon isotope
21%
primary production
20%
drought
20%
productivity
19%
crop
19%
net ecosystem exchange
19%
soil
18%
temperature
18%
modeling
18%
tillage
18%
phenology
17%
seasonal variation
17%
winter
16%
laser
16%
soil respiration
16%
soil temperature
16%
evaporation
16%
agriculture
16%
land surface
15%
treeline
15%
footprint
15%
Agriculture & Biology
eddy covariance
76%
ecosystems
62%
carbon dioxide
54%
soybeans
43%
net ecosystem production
39%
ecosystem respiration
39%
carbon
37%
methane
35%
uncertainty
33%
global carbon budget
32%
canopy
31%
corn
29%
isotopes
28%
gross primary productivity
27%
growing season
23%
cell respiration
23%
fens
22%
boreal forests
21%
photosynthesis
21%
water vapor
21%
diodes
21%
seasonal variation
20%
lasers
19%
drought
18%
soil respiration
17%
methodology
16%
methane production
16%
treeline
15%
stable isotopes
15%
Picea mariana
15%
mixing ratio
14%
biosphere
14%
peatlands
14%
climate
14%
Corn Belt region
14%
nitrous oxide
14%
temperate forests
14%
soil
14%
net ecosystem exchange
14%
wetlands
13%
carbon isotopes
13%
soil water
13%
evapotranspiration
12%
cover crops
12%
crops
11%
forest litter
11%
Pseudotsuga menziesii
11%
cropland
11%
forest stands
11%
soil temperature
11%
