Earth and Planetary Sciences
Heat Storage
100%
Rock
53%
Polar Region
49%
Experiment
39%
Thermal Energy
36%
Solar Energy
33%
Numerical Model
30%
Research
29%
In Situ
29%
Heat
28%
Finland
25%
Heat Exchanger
25%
Investigation
25%
Calculation
23%
Heating
22%
Hard Rock
19%
Aquifer
19%
Energy Storage
19%
Prediction
19%
Feasibility
19%
Village
19%
Crystalline Rock
19%
Winter
15%
Granite
15%
Need
14%
Insolation
13%
Rock Fracture
13%
Season
13%
Simulation
12%
Soil
11%
Parameter
10%
Time
9%
Utilization
9%
Model
9%
Sensitivity Analysis
8%
Increasing
8%
Temperature
7%
Datum
7%
Actuator
7%
Thermal Conductivity
7%
Greenhouse Gas Emission
7%
Summer
7%
Aspect
7%
Renewable Energy
7%
Temperature Distribution
7%
Community
7%
Efficiency
7%
Climate Change
6%
Suggestion
6%
Bedrock
6%
Country
6%
Sensitivity
6%
Construction
6%
Surplus
6%
Purpose
5%
Surface Pressure
5%
Sun
5%
Hot Water
5%
Engineering
High Latitude
49%
Solar Thermal Energy
42%
Seasonal Storage
42%
Underground Thermal Energy Storage
42%
Experiments
39%
Borehole
35%
Solar Energy
33%
Numerical Model
30%
Storage
26%
Borehole Heat Exchanger
25%
Thermal Energy Storage System
23%
Energy Engineering
21%
Tunnel Research
21%
Energy Storage
19%
Hard Rock
19%
Validation
19%
Shallower
19%
Numerical Prediction
19%
Thermal Energy
18%
Heating
11%
Temperature
11%
Seasonal Heat Storage
9%
Ground Condition
9%
Influencing Factor
9%
Models
9%
Solar Heat Storage
8%
Sensitivity Analysis
8%
Insolation
8%
Thermal Energy Storage
8%
Heat Source
7%
Research
7%
Tubes (Components)
7%
Temperature Distribution
7%
Climatic Change
6%
Practical Application
6%
Solar District Heating
6%
Development
6%
Computer Simulation
6%
Fracture Mechanics
6%
Simulation
5%
Space Heating
5%
Measurement
5%
Hot Water
5%
Physics
Rock
52%
Heat Storage
43%
Numerical Model
23%
Tunnel
21%
Calculation
19%
Granite
15%
Solar Energy
11%
Water
9%
Temperature
7%
Heat Sources
7%
Thermal Conductivity
7%
Performance
7%
Temperature Distribution
7%
Heat
7%
Finite Element Modeling
6%
Simulation
5%