Science Topics term usage 2006-10-25

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.)

105	earthquakes
96	volcanoes
58	geographic information systems (GIS)
38	mine sites
31	tectonic processes
23	earth structure
21	health and disease
20	human impacts
20	climate change
20	seas
19	geologic structure
19	earthquake occurrences
18	water quality
18	floods
17	tsunamis
17	ground water
17	rocks and deposits
16	invasive species
16	erosion
15	endangered species
15	magnetic field (earth)
15	acid deposition
15	mineral resources
15	animals
14	desert ecosystems
14	oil resources
13	plants (organisms)
13	energy resources
13	seismology
13	wildlife
12	grassland ecosystems
12	ecosystems
11	ecology
11	land use change
11	contamination and pollution
11	geologic history
11	hydrology
10	scientific careers
10	industrial pollution
10	outer core (earth)

Science Topics term usage Wednesday, 2006-10-25