Science Topics term usage 2009-02-19

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.)

629	earthquakes
294	volcanoes
256	earthquake occurrences
115	maps and atlases
77	climate change
62	USGS map servers
60	mineral resources
59	energy resources
54	floods
54	real-time monitoring and reporting
51	water quality
48	contamination and pollution
43	avian influenza
43	topographic maps
40	remote sensing
40	droughts
39	ground water
39	geospatial analysis
35	surface water (non-marine)
26	earthquake probabilities
23	geologic maps
22	acid deposition
22	invasive species
22	seismology
22	environmental health (human)
20	fires
20	oil resources
18	health and disease
17	human impacts
16	tsunamis
15	tectonic processes
14	California
14	social sciences
13	natural gas resources
12	endangered species
12	erosion
11	earth structure
11	image collections
11	surface water quality
11	stream discharge

Science Topics term usage Thursday, 2009-02-19