Science Topics term usage 2012-02-08

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.)

687	earthquakes
224	earthquake occurrences
211	volcanoes
99	maps and atlases
78	mineral resources
54	energy resources
54	real-time monitoring and reporting
46	map interfaces
42	climate change
41	groundwater
40	surface water (non-marine)
40	geospatial analysis
33	water quality
32	topographic maps
29	earth structure
28	invasive species
28	floods
26	earthquake probabilities
25	avian influenza
25	droughts
25	remote sensing
22	environmental health (human)
21	oil resources
18	seismology
17	geologic maps
17	contamination and pollution
17	ecology
16	land use and land cover
15	volcanic activity
15	fires
15	tsunamis
13	microbiology
13	endangered species
11	human impacts
11	metallic ores
11	hazards
9	geothermal resources
9	Antarctica
9	acid deposition
9	natural gas resources

Science Topics term usage Wednesday, 2012-02-08