Science Topics term usage 2007-07-22

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

(Table shows only the 40 most frequently chosen terms.)

43	geographic information systems (GIS)
31	volcanoes
28	earthquakes
19	microscopy
18	real-time monitoring and reporting
12	climate change
10	earthquake occurrences
9	wildlife biology
8	geologic history
8	oil resources
7	river systems
6	contamination and pollution
6	earth structure
6	acid deposition
6	maps and atlases
6	hurricanes
6	water resources
5	natural gas resources
5	hydrology
5	rubidium-strontium analysis
5	sediment transport
5	water use
5	streamflow
5	water circulation
5	impact cratering
5	population and community ecology
5	health and disease
5	landslides
5	geospatial datasets
5	marine ecosystems
5	fires
4	coastal ecosystems
4	land subsidence
4	coastal zones
4	water supply and demand
4	tectonic processes
4	magnetic field (earth)
4	ocean temperature
4	animals
4	wetland ecosystems

Science Topics term usage Sunday, 2007-07-22