Science Topics term usage 2006-10-23

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.)

140	volcanoes
106	earthquakes
42	geographic information systems (GIS)
36	earth structure
34	capturing (animals)
31	tectonic processes
27	rocks and deposits
24	mineral resources
23	erosion
23	earthquake occurrences
22	climate change
22	animals
20	contamination and pollution
20	desert ecosystems
20	landslides
19	floods
19	acid deposition
17	hurricanes
16	water quality
16	endangered species
15	snow and ice cover
15	geologic history
14	hazards
14	topics
14	precipitation (atmospheric)
14	human impacts
12	health and disease
12	ground water
12	invasive species
11	aerial photography
11	energy resources
11	volcanic activity
11	plants (organisms)
11	glaciation
10	wildlife population management
10	wildlife
10	surface water (non-marine)
10	topography
10	impact cratering
10	earthquake probabilities

Science Topics term usage Monday, 2006-10-23