Science Topics term usage 2008-10-01

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.)

706	earthquakes
339	earthquake occurrences
163	maps and atlases
128	volcanoes
92	real-time monitoring and reporting
72	USGS map servers
56	energy resources
55	mineral resources
48	floods
48	climate change
45	water quality
43	ground water
41	surface water (non-marine)
35	contamination and pollution
33	geospatial analysis
31	remote sensing
27	droughts
26	avian influenza
25	earthquake probabilities
23	invasive species
21	environmental health (human)
19	fires
18	health and disease
18	seismology
17	river systems
17	oil resources
16	animals
16	tectonic processes
16	endangered species
16	erosion
15	drainage basins
15	acid deposition
14	land use and land cover
14	earth structure
13	streamflow
13	desert ecosystems
13	human impacts
12	economic geology
12	natural gas resources
12	geologic processes

Science Topics term usage Wednesday, 2008-10-01