Science Topics term usage 2012-02-02

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.)

728	earthquakes
335	volcanoes
236	earthquake occurrences
82	maps and atlases
55	climate change
54	floods
51	mineral resources
42	geospatial analysis
41	real-time monitoring and reporting
40	groundwater
39	map interfaces
37	surface water (non-marine)
36	energy resources
32	water quality
30	contamination and pollution
29	avian influenza
28	droughts
28	remote sensing
25	earthquake probabilities
25	topographic maps
24	invasive species
21	environmental health (human)
20	fires
19	tsunamis
15	seismology
13	land use and land cover
13	volcanic activity
11	microbiology
11	nonmetallic mineral resources
10	ecology
10	magnetic field (earth)
10	acid deposition
10	marine biology
10	endangered species
9	geologic maps
9	geochemistry
8	life sciences
7	seismic refraction method
7	soil resources
7	natural gas resources

Science Topics term usage Thursday, 2012-02-02