Earth & Environmental Sciences
groundwater
100%
aquifer
86%
coastal aquifer
62%
electrical resistivity
53%
recharge
43%
groundwater flow
36%
saline intrusion
34%
catchment
32%
seawater
32%
modeling
27%
groundwater resource
27%
drought
23%
tomography
22%
borehole
22%
bedrock
20%
hard rock
19%
surface water
17%
groundwater-surface water interaction
17%
salinity
16%
inversion
15%
East Africa
13%
well
13%
urban green
13%
Africa
12%
green space
12%
simulation
12%
climate change
11%
water
10%
evapotranspiration
10%
calibration
9%
distribution
9%
coral
9%
streamflow
9%
partitioning
9%
river
8%
urbanization
8%
ground penetrating radar
8%
anisotropy
8%
rainfall
8%
vegetation
8%
uncertainty analysis
7%
effect
7%
analysis
7%
water resource
7%
parameter estimation
7%
sediment
7%
cave system
7%
unconfined aquifer
7%
fracture flow
7%
self potential
7%
Engineering & Materials Science
Groundwater
58%
Aquifers
48%
Catchments
36%
Salt water intrusion
23%
Rivers
17%
Groundwater flow
16%
Drought
16%
Boreholes
11%
Hydrochemistry
11%
Surface waters
10%
Petrography
9%
Weathering
9%
Mineralogy
9%
Zeta potential
8%
Calibration
8%
Uncertainty analysis
7%
Tomography
6%
Nitrates
6%
Rocks
6%
Clay
5%
Numerical models
5%
Crystalline materials
5%
Magnetic resonance
5%
Anisotropy
5%
Evapotranspiration
5%
