Science Topics term usage 2008-04-25

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.)

2108	earthquakes
1132	earthquake occurrences
206	volcanoes
158	maps and atlases
151	real-time monitoring and reporting
84	USGS map servers
83	energy resources
76	climate change
73	mineral resources
71	floods
61	surface water (non-marine)
58	ground water
58	seismology
58	geospatial analysis
56	water quality
53	earthquake probabilities
51	remote sensing
49	avian influenza
48	droughts
47	contamination and pollution
38	environmental health (human)
37	invasive species
35	fires
28	oil resources
21	Nevada
17	river systems
16	tectonic processes
16	human impacts
15	global warming
13	desert ecosystems
13	stream-gage measurement
13	rocks and deposits
13	acid deposition
13	volcanic activity
11	natural gas resources
11	Washoe
11	ground-water flow
11	streamflow
10	USGS budget
10	coal resources

Science Topics term usage Friday, 2008-04-25