Science Topics term usage 2008-09-15

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.)

452	earthquakes
166	earthquake occurrences
156	volcanoes
139	maps and atlases
101	floods
84	real-time monitoring and reporting
78	USGS map servers
62	climate change
60	energy resources
51	mineral resources
48	contamination and pollution
46	surface water (non-marine)
42	ground water
37	geospatial analysis
36	water quality
36	remote sensing
36	invasive species
33	droughts
31	avian influenza
25	environmental health (human)
20	fires
19	earthquake probabilities
19	oil resources
17	acid deposition
16	streamflow
15	hurricanes
15	earth structure
14	animals
12	human impacts
12	river systems
12	ecosystems
12	tectonic processes
11	stream-gage measurement
11	geologic processes
11	tsunamis
11	ground-water flow
11	endangered species
11	ground-water quality
11	sediment transport
10	natural gas resources

Science Topics term usage Monday, 2008-09-15