Science Topics term usage 2006-10-24

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.)

115	earthquakes
111	volcanoes
102	mine sites
46	geographic information systems (GIS)
37	earthquake occurrences
29	acid deposition
25	contamination and pollution
23	earth structure
21	tectonic processes
20	water quality
18	precipitation (atmospheric)
18	tsunamis
17	floods
17	water supply and demand
17	ground-water flow
16	ecosystems
16	human impacts
15	animals
14	magnetic field (earth)
14	desert ecosystems
14	capturing (animals)
14	mineral deposit areas
13	climate change
13	energy resources
13	endangered species
13	land use and land cover
13	real-time monitoring and reporting
12	mineral resources
12	oil resources
12	geologic structure
11	rocks and deposits
11	maps and atlases
11	health and disease
10	California
10	water chemistry
10	nonvascular plants
10	outer core (earth)
10	plants (organisms)
10	topics
10	ground water

Science Topics term usage Tuesday, 2006-10-24