Science Topics term usage 2006-09-10

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.)

155	crust (earth)
144	earthquakes
56	volcanoes
54	earthquake occurrences
41	geographic information systems (GIS)
37	earth structure
36	tectonic processes
28	energy resources
26	life sciences
26	human impacts
25	tsunamis
18	endangered species
18	landslides
16	mineral resources
15	health and disease
15	gravitational field (earth)
14	plants (organisms)
14	magnetic field (earth)
14	land use and land cover
13	aquatic biology
13	climate change
13	outer core (earth)
12	global change
12	ecological processes
12	contamination and pollution
12	seismology
12	hurricanes
11	core (earth)
11	real-time monitoring and reporting
11	erosion
11	global warming
11	San Francisco
11	rocks and deposits
10	animals
10	acid deposition
10	meteorites
10	biodiversity
10	topography
10	wildlife
10	oil resources

Science Topics term usage Sunday, 2006-09-10