Earth & Environmental Sciences
prairie
66%
global change
61%
water use efficiency
55%
runoff
43%
rooting
38%
rain
36%
transpiration
33%
terrestrial ecosystem
31%
modeling
26%
soil moisture
25%
evaporation
24%
warming
24%
temperature
23%
climate change
18%
ecosystem process
17%
analysis
16%
field experiment
13%
moisture content
13%
anomaly
10%
policy
9%
nitrogen
9%
ecosystem
9%
carbon
8%
climate
8%
effect
7%
Agriculture & Biology
tallgrass prairies
87%
global change
74%
runoff
70%
water use efficiency
44%
terrestrial ecosystems
38%
rain
36%
evaporation
31%
rooting
29%
transpiration
28%
climate change
26%
ecosystems
23%
nitrogen cycle
20%
temperature
18%
global warming
16%
soil water content
15%
soil water
13%
ambient temperature
11%
carbon
10%
Physics & Astronomy
grasslands
100%
ecosystems
57%
drainage
50%
rain
39%
soil moisture
33%
climate change
32%
transpiration
30%
water
17%
evaporation
15%
climate
13%
heating
13%
moisture content
11%
ambient temperature
10%
temperature
9%
anomalies
8%
nitrogen
7%
cycles
6%
carbon
6%
Engineering & Materials Science
Runoff
59%
Ecosystems
44%
Rain
33%
Precipitation (meteorology)
31%
Transpiration
29%
Soil moisture
28%
Climate change
22%
Evaporation
20%
Temperature
16%
Water levels
12%
Water
11%
Nitrogen
9%
Moisture
8%
Carbon
7%
Experiments
3%
Chemical Compounds
Ecosystem
74%
Evaporation
36%
Soil
35%
Nitrogen
12%
Carbon Atom
9%