Science Topics term usage 2010-10-20

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.)

884	earthquakes
251	earthquake occurrences
206	volcanoes
107	maps and atlases
60	groundwater
59	climate change
56	mineral resources
55	real-time monitoring and reporting
50	map interfaces
45	surface water (non-marine)
40	geospatial analysis
40	water quality
40	energy resources
38	floods
37	droughts
37	contamination and pollution
34	earthquake probabilities
33	remote sensing
31	topographic maps
28	geologic maps
26	environmental health (human)
24	seismology
24	invasive species
17	human impacts
16	tectonic processes
15	avian influenza
14	surface water quality
14	fires
13	land use and land cover
13	tsunamis
12	earth structure
12	hydrogeology
12	groundwater flow
12	pesticide and herbicide contamination
11	soil resources
11	mining hazards
11	oil resources
11	endangered species
11	geochemistry
11	acid deposition

Science Topics term usage Wednesday, 2010-10-20