Keyphrases
Produced Water
100%
Radium
86%
Wastewater
54%
Surface Water
43%
Marcellus
37%
Hydraulic Fracturing
35%
Pennsylvania
34%
226Ra
29%
Groundwater
27%
Shallow Aquifer
27%
Freshwater mussels
26%
Drinking Water
26%
Marcellus Shale
25%
Dust Suppressant
25%
Strontium
23%
Shallow Groundwater
23%
Beneficial Reuse
22%
Brine
22%
Drinking Water Wells
21%
Gas Well
21%
Stream Sediments
21%
Wastewater Disposal
20%
Total Dissolved Solids
20%
Beneficial Use
20%
Radium Activity
19%
Western Pennsylvania
19%
Morocco
19%
228Ra
19%
Water Discharge
18%
Unconventional Oil
18%
Radioactivity
18%
Unconventional Gas
17%
Gas Contamination
17%
Methane
16%
Hydrocarbons
16%
Water Sources
16%
Acid Mine Drainage
16%
Water Quality
15%
Isotope Tracers
15%
Appalachian Region
15%
Fugitive Gas
15%
Salinization
14%
Chloride
14%
Barium
14%
Boron
14%
Unconventional Shale Gas
13%
Shale Gas Development
13%
Saline Groundwater
13%
Groundwater Salinity
13%
Sediment Core
13%
Earth and Planetary Sciences
Surface Water
64%
Pennsylvania
52%
United States of America
50%
Hydraulic Fracturing
42%
Potable Water
40%
Methane
36%
Salinity
27%
Isotopic Composition
26%
Gas Well
25%
Fluvial Deposit
24%
Morocco
23%
Salinization
23%
United States
22%
Geochemistry
21%
Waste Treatment
17%
Waste Collection
17%
Water-Rock Interaction
16%
Rare Gas
15%
Effluent
13%
Acid Mine Drainage
12%
Antarctic Region
12%
Diesel
12%
Barite
12%
Hydrocarbon Gas
12%
Sediment Core
12%
Drinking Water Quality
11%
Natural Gas
11%
Human Health
11%
West Virginia
11%
Ohio
10%
Horizontal Drilling
10%
Shale Gas
9%
Source Rock
9%
Hydraulic Fracturing
9%
Waterway
9%
Dilution
8%
Phthalate
8%
Water Chemistry
8%
Texas
8%
Gas Production
7%
Tracer Isotope
7%
North Carolina
7%
Arkansas
7%
Wyoming
6%