Science Topics term usage 2008-12-01

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.)

553	earthquakes
219	earthquake occurrences
166	volcanoes
98	maps and atlases
69	climate change
56	USGS map servers
53	real-time monitoring and reporting
52	floods
48	energy resources
45	water quality
43	surface water (non-marine)
40	mineral resources
40	droughts
40	contamination and pollution
36	ground water
36	remote sensing
34	avian influenza
33	human impacts
29	invasive species
29	geospatial analysis
24	earthquake probabilities
23	fires
23	environmental health (human)
21	acid deposition
17	tectonic processes
15	hydrology
14	topics
14	streamflow
14	surface water quality
13	oil resources
13	land use and land cover
12	ocean characteristics
12	tsunamis
11	stream discharge
11	ground-water flow
11	global warming
11	biogeography
10	hazards
10	California
9	aerial photography

Science Topics term usage Monday, 2008-12-01