Science Topics term usage 2010-04-09

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.)

2912	earthquakes
1176	earthquake occurrences
341	volcanoes
216	real-time monitoring and reporting
190	maps and atlases
162	earthquake probabilities
115	mineral resources
103	seismology
99	energy resources
98	climate change
98	ground water
66	map interfaces
61	remote sensing
60	floods
57	geospatial analysis
51	surface water (non-marine)
49	droughts
48	water quality
46	avian influenza
43	invasive species
41	topographic maps
41	geologic maps
39	hazards
34	contamination and pollution
33	fires
32	volcanic activity
26	tectonic processes
24	environmental health (human)
21	health and disease
19	natural gas resources
19	oil resources
19	ground-water flow
18	seismic methods
18	California
17	acid deposition
17	ocean characteristics
16	hydrogeology
16	topics
16	wetland ecosystems
16	soil resources

Science Topics term usage Friday, 2010-04-09