Earth & Environmental Sciences
groundwater
81%
aquifer
41%
leakage
38%
contamination
24%
nitrate
22%
geochemistry
21%
soil
20%
water
19%
gold
19%
bedrock
17%
mineralization
16%
monitoring
16%
metal
14%
hydrochemistry
14%
sulfate
14%
meteoric water
13%
sulfide
12%
removal
12%
fluid inclusion
12%
water chemistry
11%
livestock farming
11%
isotope
11%
heavy metal
11%
evaluation
11%
fluid
11%
well
11%
water-rock interaction
10%
silver
10%
ore
10%
trace metal
10%
carbonate
10%
dissolution
10%
granite
9%
recharge
9%
mineral
9%
natural analog
9%
hydrothermal system
9%
hydrogeochemistry
8%
acid mine drainage
8%
modeling
8%
tracer
8%
oxygen isotope
8%
ion exchange
8%
stable isotope
8%
test
7%
iron
7%
oxidation
7%
spatial distribution
7%
denitrification
7%
agricultural land
7%
Engineering & Materials Science
Groundwater
73%
Aquifers
36%
Soils
31%
Contamination
27%
Isotopes
22%
Water
21%
Nitrates
16%
Monitoring
12%
Metals
11%
Carbon
11%
Wastewater
11%
Sulfates
11%
Heavy metals
11%
Geochemistry
11%
Sulfides
11%
Vanadium pentoxide
11%
Tracers
9%
Denitrification
9%
Oxidation
9%
Spatial distribution
9%
Condensation
9%
Natural attenuation
9%
Vapors
8%
Adsorption
8%
Rivers
7%
Land use
7%
Sorption
7%
Carbonates
7%
Arsenic
7%
Impregnation
7%
Iron
6%
Zinc
6%
Springs (water)
6%
Fluxes
6%
Surface waters
6%
Drainage
6%
Gases
6%
Kaolinite
6%
Experiments
5%
Inert gases
5%
Sediments
5%
Rocks
5%
Carbon capture
5%
Acids
5%
Minerals
5%
Water quality
5%
Fractionation
5%
Catalysts
5%
Chemical analysis
5%
Watersheds
5%
Chemical Compounds
Groundwater
100%
Soil
33%
Geochemistry
27%
Mineral
16%
Hydrochemistry
15%
Nitrate
13%
Sulfate
12%
Sulfide
12%
Heavy Metal
11%
pH Value
11%
Acid Mine Drainage
11%
Metal
11%
Chemistry
10%
Isotope
10%
Mining
10%
Environment
10%
Quartz
9%
Carbon Atom
9%
Trace Metal
9%
Denitrification
9%
Carbonate
9%
Pyrite
9%
Stable Isotope
9%
Groundwater Geochemistry
8%
Surface Water
8%
Dissolution
7%
Wastewater
7%
Cation Exchange
7%
Condensation
7%
Mass Balance
6%
Degasification
6%
Sorption
5%
Weathering
5%
Flow
5%
Fractionation
5%
Salinity
5%
Calcite
5%
Time
5%
Impregnation
5%
Noble Gas Atom
5%
Aqueous Solution
5%
Environmental Pollutant
5%