Earth & Environmental Sciences
maize
100%
ecosystem
84%
eddy covariance
75%
soybean
62%
budget
46%
growing season
46%
nitrous oxide
43%
methane
41%
fen
41%
isotope
38%
partitioning
35%
carbon budget
35%
peatland
34%
carbon
32%
water vapor
32%
canopy
31%
carbon dioxide
30%
wetland
29%
boreal forest
28%
flux measurement
28%
seasonality
28%
atmosphere
28%
photosynthesis
28%
carbon balance
25%
evapotranspiration
25%
drought
25%
summer
24%
soil
23%
mixing ratio
22%
soil respiration
21%
carbon isotope
20%
seasonal variation
20%
temperature
20%
crop
20%
winter
20%
primary production
20%
energy flux
19%
carbon flux
19%
productivity
19%
modeling
19%
net ecosystem exchange
18%
cropping practice
17%
tillage
17%
phenology
17%
biosphere
16%
agriculture
16%
agricultural ecosystem
16%
boundary layer
16%
soil temperature
16%
Agriculture & Biology
eddy covariance
70%
ecosystems
58%
ecosystem respiration
47%
carbon dioxide
43%
carbon
39%
soybeans
39%
net ecosystem production
39%
uncertainty
32%
global carbon budget
31%
isotopes
30%
corn
29%
gross primary productivity
27%
growing season
26%
seasonal variation
25%
cell respiration
24%
drought
24%
canopy
23%
soil respiration
23%
boreal forests
22%
fens
22%
photosynthesis
21%
diodes
20%
soil
19%
soil water
19%
lasers
18%
methane production
16%
water vapor
16%
methodology
16%
nitrous oxide
16%
treeline
15%
stable isotopes
15%
Picea mariana
15%
climate
15%
Corn Belt region
14%
temperate forests
13%
net ecosystem exchange
13%
cropland
13%
soil temperature
13%
wetlands
12%
carbon isotopes
12%
temperature
12%
cover crops
12%
agriculture
11%
winter
11%
crops
11%
forest litter
11%
Pseudotsuga menziesii
11%
