Science Topics term usage 2009-01-14

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.)

756	earthquakes
287	earthquake occurrences
156	volcanoes
126	maps and atlases
79	USGS map servers
65	climate change
64	real-time monitoring and reporting
64	energy resources
58	water quality
49	ground water
49	floods
49	mineral resources
43	topographic maps
43	geospatial analysis
39	surface water (non-marine)
39	contamination and pollution
38	avian influenza
36	remote sensing
32	tectonic processes
28	invasive species
28	droughts
26	geologic maps
22	animals
21	oil resources
21	earthquake probabilities
21	fires
20	environmental health (human)
19	human impacts
19	seismology
19	health and disease
16	desert ecosystems
15	acid deposition
15	surface water quality
14	topics
13	erosion
12	earth structure
11	natural gas resources
11	land use and land cover
11	global warming
11	river systems

Science Topics term usage Wednesday, 2009-01-14