Agriculture & Biology
subsurface flow
100%
systems analysis
78%
runoff
68%
Pacific Ocean
9%
surface water
8%
rivers
6%
stream flow
5%
metropolitan areas
5%
mixed forests
4%
water flow
4%
prairies
4%
groundwater
4%
factor analysis
4%
Arctic region
4%
students
4%
basins
3%
methodology
1%
Earth & Environmental Sciences
subsurface flow
67%
runoff
42%
province
7%
surface water
5%
analysis
5%
ocean
4%
mixed forest
4%
Arctic Ocean
4%
continental slope
4%
prairie
4%
temporal distribution
3%
rate
3%
factor analysis
3%
metropolitan area
3%
river
3%
Precambrian
3%
coordination
3%
streamflow
3%
water flow
3%
Paleozoic
3%
student
3%
Asia
3%
North America
3%
groundwater
2%
station
2%
city
2%
basin
2%
modeling
1%
Engineering & Materials Science
Runoff
86%
Systems analysis
45%
Surface waters
11%
Rivers
7%
Stream flow
5%
Gaging
5%
Groundwater
4%
Factor analysis
4%
Crystalline materials
4%
Earth (planet)
3%
Students
2%
Chemical Compounds
Flow
38%
Surface Water
25%
Groundwater
13%