Science Topics term usage 2009-02-05

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.)

612	earthquakes
417	volcanoes
263	earthquake occurrences
142	maps and atlases
74	climate change
71	floods
62	topographic maps
62	USGS map servers
61	energy resources
56	mineral resources
45	water quality
41	avian influenza
40	droughts
39	real-time monitoring and reporting
38	geospatial analysis
34	geologic maps
33	contamination and pollution
32	invasive species
32	environmental health (human)
31	surface water (non-marine)
29	ground water
29	remote sensing
27	fires
24	earthquake probabilities
19	human impacts
16	oil resources
16	animals
16	volcanic activity
14	acid deposition
14	erosion
14	seismology
14	global change
13	natural gas resources
13	soil resources
12	pesticide and herbicide contamination
12	surface water quality
11	ground-water flow
11	river systems
11	health and disease
11	rocks and deposits

Science Topics term usage Thursday, 2009-02-05