Earth and Planetary Sciences
Active Galactic Nuclei
9%
Agreement
10%
Amount
10%
Analytical Method
57%
Approach
23%
Aquifer
10%
Ash
25%
Average
11%
Bed
17%
Behavior
19%
Calculation
24%
Carbon
12%
Cartography
14%
Characterization
11%
China
28%
Climate
9%
Coal
100%
Collision
23%
Communities
9%
Comparison
13%
Content
12%
Core
14%
Correlation
17%
Deformation
11%
Dependence
19%
Deposit
9%
Depth
17%
Earthquake
9%
Electron
14%
Emissions
27%
Estimate
15%
Evaluation
19%
Exhibit
12%
Experiment
21%
Fault
14%
Gas
15%
Geochemistry
15%
Groundwater
16%
History
20%
Holocene
10%
Impact
15%
Implication
29%
Information
13%
Investigation
89%
Kentucky
66%
Lake
26%
Landscape
13%
Maceral
14%
Magnitude
10%
Maps
14%
Metal
9%
Metropolitan Area
9%
Mineralogy
9%
Minerals
15%
Mining
10%
Model
78%
Momentum
11%
Mountains
10%
Observation
33%
Occurrence
11%
Order
20%
Particles
12%
Pennsylvanian
13%
Petrography
24%
Plant
15%
Position (Location)
12%
Prediction
13%
Proton
18%
Quark
14%
Rare Earth Element
18%
Rate
20%
Record
15%
Region
67%
Report
12%
Research
14%
Rill
9%
River
16%
Rock
14%
Sample
34%
Sediment
24%
Set
9%
Show
39%
Size
10%
Soils
12%
Species
16%
Spectra
17%
Spectrometer
11%
Speed
11%
Spin
17%
State
29%
Survey
11%
Tectonics
14%
United States
19%
United States of America
39%
Utilization
19%
Variability
14%
Variation
27%
Vitrinite
8%
Water
16%
Wave
16%