Earth & Environmental Sciences
colloid
100%
porous medium
75%
aquifer
66%
vadose zone
57%
chalk
52%
salt
43%
soil
43%
evaporation
38%
groundwater
35%
infiltration
32%
permeability
29%
borehole
28%
air
27%
sand
26%
atmosphere
26%
experiment
25%
venting
25%
thermal convection
24%
convection
24%
radionuclide
24%
gas transport
21%
tracer
21%
radon
19%
bentonite
18%
monitoring
17%
water
17%
particle
17%
recharge
16%
gas
16%
gas exchange
16%
drying
16%
rock
16%
carbonate rock
15%
matrix
15%
biodegradation
14%
irrigation
14%
droplet
14%
salinization
14%
perchlorate
14%
wastewater
14%
rate
14%
coastal aquifer
13%
solute
13%
fractured medium
13%
effect
13%
water content
13%
modeling
12%
cesium
12%
hydraulics
12%
arid environment
12%