Science Topics term usage 2007-10-08

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.)

80	climate change
75	earthquakes
62	volcanoes
50	geographic information systems (GIS)
26	tectonic processes
25	animals
24	earthquake occurrences
22	energy resources
21	earth structure
19	contamination and pollution
16	mineral resources
16	global warming
15	erosion
13	acid deposition
13	geologic history
12	rocks and deposits
11	human impacts
11	catalogs and indexes
11	hurricanes
11	mathematical modeling
11	social sciences
10	desert ecosystems
10	tsunamis
10	health and disease
9	precipitation (atmospheric)
9	stream-gage measurement
9	ground-water flow
9	endangered species
9	water use
9	ground water
9	plants (organisms)
9	invasive species
9	sediment transport
9	landslides
9	sea-floor characteristics
8	planetary bodies
8	vertebrates
8	geospatial datasets
8	geologic structure
8	maps and atlases

Science Topics term usage Monday, 2007-10-08