Earth & Environmental Sciences
piping
93%
laboratory experiment
71%
pipe
65%
erosion
56%
removal
44%
soil
35%
hillslope
25%
sandy loam
13%
soil type
11%
polyvinyl chloride
7%
bulk density
5%
gauge
5%
roughness
5%
inflow
5%
soil water
4%
hydraulics
3%
sand
3%
matrix
3%
Agriculture & Biology
soil erosion
100%
pipes
89%
soil
42%
soil types
11%
pressure gauges
9%
roughness
7%
poly(vinyl chloride)
6%
bulk density
5%
fluid mechanics
5%
soil water
5%
sand
5%
monitoring
3%
Engineering & Materials Science
Erosion
82%
Soils
65%
Pipe
62%
Experiments
29%
Pressure gages
8%
Polyvinyl chlorides
6%
Sand
5%
Surface roughness
4%
Hydraulics
4%
Water
3%
Medicine & Life Sciences
Soil
90%
Pressure
54%
Sand
8%
Polyvinyl Chloride
8%
Water
4%