Science Topics term usage 2008-11-07

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.)

496	earthquakes
199	earthquake occurrences
145	volcanoes
116	maps and atlases
66	real-time monitoring and reporting
61	mineral resources
61	floods
58	USGS map servers
48	energy resources
45	climate change
43	ground water
41	surface water (non-marine)
40	water quality
31	droughts
30	remote sensing
28	geospatial analysis
23	contamination and pollution
23	invasive species
20	river systems
20	avian influenza
17	seismology
17	fires
16	environmental health (human)
16	earthquake probabilities
16	sediment transport
16	earth structure
14	oil resources
13	stream discharge
12	management methods
11	volcanic activity
11	tectonic processes
11	zoology
10	hydrology
10	acid deposition
10	desert ecosystems
9	streamflow
9	endangered species
9	geologic processes
9	land use and land cover
9	human impacts

Science Topics term usage Friday, 2008-11-07