Science Topics term usage 2009-03-06

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.)

555	earthquakes
260	earthquake occurrences
248	volcanoes
117	maps and atlases
78	real-time monitoring and reporting
74	ground water
72	USGS map servers
61	climate change
59	water quality
57	floods
57	energy resources
54	mineral resources
53	surface water (non-marine)
49	contamination and pollution
43	droughts
42	topographic maps
42	remote sensing
41	geospatial analysis
36	avian influenza
32	invasive species
26	environmental health (human)
24	earthquake probabilities
21	fires
21	geologic maps
18	health and disease
16	desert ecosystems
16	oil resources
16	acid deposition
16	seismology
16	animals
15	human impacts
13	tsunamis
13	cartography
13	erosion
13	ecosystems
12	hydrology
12	aerial photography
12	land use and land cover
12	global warming
12	natural gas resources

Science Topics term usage Friday, 2009-03-06