Earth & Environmental Sciences
geothermal energy
85%
heat pump
73%
shaft
69%
energy source
57%
water
56%
energy production
50%
coal mine
47%
project
40%
Silesian
39%
abandoned mine
38%
sustainable use
36%
sustainability
36%
environmental risk
33%
hydrochemistry
33%
carbon
32%
heat transfer
32%
heat source
31%
energy resource
31%
void
30%
heating
26%
evaporite
26%
stable isotope
25%
potential energy
25%
pumping
24%
hematite
23%
seawater
21%
coal
21%
sulfate
20%
cooling
20%
trial
19%
sulfide
18%
energy
18%
isotope
18%
ore
18%
pump
16%
resource
16%
basin
15%
water level
15%
cost-benefit
14%
Coal Measures
13%
alkane
12%
bee
12%
drawdown
10%
iron
10%
test
9%
temperature
9%
organization
9%
water temperature
9%
meteoric water
7%
engineering
7%
chloride
7%
sandstone
7%
water quality
7%
sulfur isotope
7%
economics
7%
aquifer
7%
renewable resource
7%
hydrogeology
6%
monitoring
6%
cool water
6%
flooding
5%
alternative energy
5%
fossil fuel
5%
fill
5%
district heating
5%
oxidation
5%
persistence
5%
modeling
5%
artifact
5%
Engineering & Materials Science
Water
100%
Geothermal energy
94%
Isotopes
79%
Thermal energy
58%
Hydrochemistry
56%
Mine shafts
55%
Coal mines
54%
Abandoned mines
53%
Heat pump systems
46%
Hot Temperature
44%
Sustainable development
43%
Carbon
42%
Seawater
35%
Hematite
34%
Coal
33%
Sulfates
32%
Pumps
31%
Sulfides
27%
Ores
27%
Water levels
25%
Energy resources
24%
Heat transfer
20%
Saline water
17%
Heating
16%
Heat exchangers
15%
Water quality
15%
Iron
14%
Hydrogeology
14%
Cooling systems
13%
Aquifers
12%
Paraffins
11%
Sandstone
11%
Geothermal heat pumps
10%
Temperature
10%
Space heating
10%
Heat generation
8%
Pyrites
8%
Fossil fuels
7%
Sulfur
7%
Closed loop systems
7%
Ions
7%
Arsenic
7%
Oxidation
7%
Monitoring
6%
Renewable energy resources
6%
Economics
6%
Water resources
6%
Cooling
6%
Tubes (components)
5%
Limestone
5%
Submersible pumps
5%
Recovery
5%
Ponds
5%
Hydraulics
5%
Mine ventilation
5%
Water treatment
5%
Chemical Compounds
Geothermal Energy
89%
Shaft
77%
Hydrochemistry
75%
Mining
64%
Heat Transfer
52%
Coal
35%
Stable Isotope
26%
Hematite
26%
Energy
25%
Heating System
23%
Flow
18%
Heat
17%
Heat Exchanger
16%
Column Like Crystal
14%
Alkane
13%
Carbon Atom
11%
Mineral
9%
Pump
9%
Heat Exchanger Tube
8%
Chloride
5%
Salinity
5%
Metal
5%
Application
5%