Earth & Environmental Sciences
tomography
66%
electrical resistivity
64%
aquifer
56%
electrical conductivity
55%
sand
47%
plume
41%
monitoring
40%
groundwater flow
16%
buoyancy
16%
saturation
12%
ground penetrating radar
9%
gas
8%
data acquisition
8%
electrode
7%
spatial resolution
6%
inversion
6%
anomaly
5%
water
5%
detection
5%
experiment
3%
rate
2%
effect
2%
method
1%
Engineering & Materials Science
Aquifers
100%
Tomography
74%
Sand
68%
Electric Conductivity
67%
Monitoring
43%
Groundwater flow
26%
Buoyancy
18%
Ground penetrating radar systems
11%
Gases
9%
Water
9%
Data acquisition
7%
Electrodes
6%
Set theory
5%
Experiments
3%
Chemical Compounds
Electrical Conductivity
59%
Buoyancy
32%
Groundwater
23%
Flow
14%
Injector
13%
Porosity
12%
Gas
11%
Heterogeneity
10%
Pressure
6%
Behavior as Electrode
5%