Science Topics term usage 2008-10-13

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.)

491	earthquakes
185	earthquake occurrences
170	maps and atlases
157	volcanoes
75	real-time monitoring and reporting
74	USGS map servers
72	energy resources
61	mineral resources
54	climate change
42	ground water
36	contamination and pollution
35	geospatial analysis
35	fires
34	droughts
34	surface water (non-marine)
33	floods
32	water quality
32	remote sensing
31	invasive species
30	oil resources
28	avian influenza
23	earthquake probabilities
21	human impacts
17	environmental health (human)
16	seismology
14	USGS maps on demand
14	desert ecosystems
14	acid deposition
13	tectonic processes
13	global warming
12	surface water quality
12	plants (organisms)
11	tsunamis
11	soil resources
11	earth structure
11	erosion
10	ocean characteristics
9	water supply and demand
9	aquatic ecosystems
9	geologic structure

Science Topics term usage Monday, 2008-10-13