Agriculture & Biology
hydrochemistry
59%
South Korea
52%
groundwater
50%
land use
44%
pollutants
44%
ions
33%
aquifers
21%
residential areas
21%
groundwater contamination
21%
tritium
18%
spatial variation
16%
traffic
15%
isotopes
15%
water quality
15%
chemistry
13%
Earth & Environmental Sciences
hydrochemistry
57%
recharge
41%
land use
30%
contamination
30%
groundwater
27%
pollutant
27%
ion
21%
ionic composition
15%
tritium
13%
residential area
12%
management plan
11%
effect
10%
isotopic composition
9%
traffic
9%
spatial variation
9%
agricultural land
9%
isotope
8%
aquifer
8%
water quality
7%
indicator
6%
Engineering & Materials Science
Hydrochemistry
100%
Land use
55%
Groundwater
54%
Contamination
44%
Ions
31%
Tritium
15%
Aquifers
14%
Isotopes
14%
Water quality
14%
Chemical analysis
7%
Water
6%
Chemical Compounds
Hydrochemistry
95%
Groundwater
49%
Environmental Pollutant
38%
Ion
13%
Tritium
13%
Indicator
10%
Isotope
9%
Green
7%
Chemistry
6%