Science Topics term usage 2007-10-12

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.)

77	earthquakes
77	volcanoes
68	geographic information systems (GIS)
36	rocks and deposits
25	contamination and pollution
25	geology
24	earth structure
23	real-time monitoring and reporting
22	animals
21	earthquake occurrences
17	geologic history
17	streamflow
17	health and disease
16	ground-water flow
16	tectonic processes
16	ecological processes
15	acid deposition
14	human impacts
14	biodiversity
14	global warming
14	climate change
13	maps and atlases
13	ground water
13	energy resources
12	desert ecosystems
12	producers (organisms)
12	water supply and demand
11	ocean processes
10	invasive species
10	endangered species
10	floods
10	mineral resources
10	land use and land cover
10	hurricanes
10	topics
9	plants (organisms)
9	relative abundance analysis
9	igneous rocks
9	water quality
9	mass wasting

Science Topics term usage Friday, 2007-10-12