Subject
Volcanoes
40
Earthquakes
22
Groundwater
11
Coral reefs and islands
8
Kilauea Volcano (Hawaii)
8
Stream measurements
6
Streamflow
6
Water-supply
5
Wind power
5
Benthos Habitat
4
Conservation of natural resources
4
Hawaiian Islands Humpback Whale National Marine Sanctuary (Hawaii)
4
Hydrology
4
Sedimentation and deposition
4
Coral reef conservation
3
Distributed generation of electric power
3
Energy conservation
3
Floods
3
Geology
3
Humpback whale Behavior
3
Hydrogeology
3
Marine ecosystem management
3
Marine resources conservation
3
Ocean bottom
3
Oceanography
3
Photovoltaic power generation
3
Seismology
3
Volcanic activity prediction
3
Volcanic eruptions
3
Water consumption
3
Water quality
3
Water table
3
Amphipoda
2
Beach erosion
2
Coast changes
2
Crustacea
2
Customs inspection
2
Earthquake damage
2
Economic development
2
Ecosystem management
2
Electric cables
2
Electric power transmission Planning
2
Endangered species
2
Fishes
2
Groundwater Quality
2
Groundwater flow
2
Groundwater recharge
2
Hawaii
2
Hawaii Environmental conditions
2
Hawaiians Government relations
2
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