Science Topics term usage 2008-03-17

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.)

402	earthquakes
152	earthquake occurrences
151	volcanoes
123	maps and atlases
75	real-time monitoring and reporting
63	mineral resources
61	USGS map servers
49	climate change
48	energy resources
46	ground water
45	geospatial analysis
43	surface water (non-marine)
42	water quality
39	avian influenza
38	contamination and pollution
31	invasive species
29	remote sensing
27	fires
26	environmental health (human)
21	river systems
18	oil resources
18	earthquake probabilities
17	floods
16	ground-water flow
15	erosion
14	human impacts
14	hazards
13	natural gas resources
12	seismology
12	animals
11	hydrology
11	precipitation (atmospheric)
11	acid deposition
10	streamflow
10	tsunamis
10	plants (organisms)
10	tectonic processes
10	aerial photography
10	rocks and deposits
10	drainage basins

Science Topics term usage Monday, 2008-03-17