Science Topics term usage 2013-02-28

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.)

586	earthquakes
195	earthquake occurrences
143	volcanoes
37	maps and atlases
36	real-time monitoring and reporting
35	mineral resources
31	remote sensing
28	energy resources
27	climate change
25	floods
24	surface water (non-marine)
22	droughts
22	geospatial analysis
21	groundwater
21	tsunamis
21	geologic processes
19	contamination and pollution
18	life sciences
17	geologic maps
16	human impacts
16	water quality
16	invasive species
16	geochemistry
16	tectonic processes
16	biodiversity
16	aerial photography
15	earthquake probabilities
15	microbiology
14	erosion
13	natural gas resources
13	seismology
13	earth sciences
12	volcanic activity
12	fires
12	map interfaces
11	land use and land cover
10	avian influenza
10	cartography
10	ecology
9	endangered species

Science Topics term usage Thursday, 2013-02-28