Science Topics term usage 2008-03-02

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.)

39	earthquakes
38	volcanoes
25	geographic information systems (GIS)
21	nonpoint-source pollution
19	earthquake occurrences
15	climate change
14	geologic history
13	earth structure
13	geospatial analysis
13	contamination and pollution
12	ecosystem monitoring
10	mineral resources
10	river systems
9	landslides
9	geologic structure
9	desert ecosystems
8	earth characteristics
8	real-time monitoring and reporting
8	magnetic field (earth)
7	tectonic processes
7	geochemistry
7	animals
7	energy resources
7	land use and land cover
7	aquatic ecosystems
7	gravitational field (earth)
7	ground-water flow
7	acid deposition
6	human impacts
6	vertebrates
6	tsunamis
6	oil resources
6	health and disease
6	pesticide and herbicide contamination
6	volcanic eruption prediction
6	erosion
6	water cycle
6	ocean characteristics
6	impact cratering
6	global warming

Science Topics term usage Sunday, 2008-03-02