Earth & Environmental Sciences
groundwater
82%
aquifer
43%
leakage
39%
contamination
24%
nitrate
24%
geochemistry
22%
soil
21%
gold
20%
water
20%
mineralization
17%
monitoring
16%
bedrock
16%
metal
15%
hydrochemistry
15%
meteoric water
14%
sulfate
14%
removal
13%
fluid inclusion
12%
water chemistry
12%
heavy metal
12%
livestock farming
12%
evaluation
12%
sulfide
12%
fluid
12%
silver
11%
water-rock interaction
11%
ore
11%
trace metal
11%
carbonate
10%
dissolution
10%
well
10%
isotope
10%
granite
10%
mineral
9%
recharge
9%
natural analog
9%
hydrothermal system
9%
hydrogeochemistry
9%
acid mine drainage
9%
tracer
9%
modeling
9%
ion exchange
8%
stable isotope
8%
oxygen isotope
8%
test
8%
iron
8%
spatial distribution
8%
denitrification
8%
agricultural land
8%
aqueous solution
7%
Engineering & Materials Science
Groundwater
71%
Aquifers
36%
Soils
32%
Contamination
26%
Water
22%
Isotopes
20%
Nitrates
17%
Monitoring
12%
Metals
12%
Wastewater
12%
Heavy metals
12%
Geochemistry
12%
Vanadium pentoxide
11%
Carbon
11%
Sulfates
10%
Tracers
10%
Denitrification
10%
Spatial distribution
10%
Condensation
9%
Sulfides
9%
Vapors
8%
Adsorption
8%
Oxidation
8%
Rivers
8%
Land use
8%
Carbonates
7%
Natural attenuation
7%
Sorption
7%
Arsenic
7%
Impregnation
7%
Iron
7%
Zinc
7%
Springs (water)
7%
Fluxes
6%
Surface waters
6%
Drainage
6%
Gases
6%
Kaolinite
6%
Inert gases
6%
Experiments
6%
Sediments
6%
Carbon capture
6%
Acids
5%
Minerals
5%
Water quality
5%
Catalysts
5%
Rocks
5%
Chemical analysis
5%
Watersheds
5%
Ions
5%
Chemical Compounds
Groundwater
100%
Soil
33%
Geochemistry
29%
Mineral
17%
Hydrochemistry
16%
Nitrate
14%
Sulfate
12%
Heavy Metal
12%
pH Value
12%
Acid Mine Drainage
12%
Metal
11%
Sulfide
11%
Chemistry
11%
Mining
11%
Quartz
10%
Environment
10%
Trace Metal
10%
Denitrification
10%
Carbon Atom
10%
Carbonate
10%
Pyrite
10%
Stable Isotope
9%
Isotope
9%
Groundwater Geochemistry
9%
Surface Water
8%
Dissolution
8%
Wastewater
8%
Cation Exchange
7%
Condensation
7%
Mass Balance
7%
Degasification
6%
Weathering
6%
Flow
6%
Salinity
6%
Calcite
6%
Sorption
5%
Time
5%
Impregnation
5%
Noble Gas Atom
5%
Aqueous Solution
5%
Environmental Pollutant
5%