Science Topics term usage 2008-10-22

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.)

478	earthquakes
176	earthquake occurrences
169	volcanoes
131	maps and atlases
74	real-time monitoring and reporting
65	mineral resources
63	water quality
62	USGS map servers
60	energy resources
55	climate change
51	floods
43	contamination and pollution
41	geospatial analysis
41	ground water
38	surface water (non-marine)
38	invasive species
34	avian influenza
33	remote sensing
30	droughts
26	global warming
25	fires
23	acid deposition
21	environmental health (human)
20	earthquake probabilities
20	oil resources
18	river systems
15	desert ecosystems
14	earth structure
14	seismology
13	tectonic processes
13	ground-water quality
12	erosion
12	stream discharge
12	animals
12	surface water quality
11	aerial photography
11	endangered species
10	water chemistry
10	topics
10	natural gas resources

Science Topics term usage Wednesday, 2008-10-22