Science Topics term usage 2011-11-30

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.)

647	earthquakes
235	earthquake occurrences
220	volcanoes
94	real-time monitoring and reporting
93	maps and atlases
61	floods
55	groundwater
53	energy resources
51	surface water (non-marine)
50	mineral resources
47	climate change
41	map interfaces
35	water quality
31	geospatial analysis
30	contamination and pollution
30	droughts
29	invasive species
25	remote sensing
24	topographic maps
22	avian influenza
21	geologic maps
20	human impacts
18	natural gas resources
18	fires
17	earthquake probabilities
15	environmental health (human)
13	endangered species
13	acid deposition
12	oil resources
12	streamflow
12	tectonic processes
12	land use and land cover
11	pesticide and herbicide contamination
11	hydrology
11	seismology
11	eutrophication
11	tsunamis
10	microbiology
10	river systems
10	soil resources

Science Topics term usage Wednesday, 2011-11-30