Science Topics term usage 2012-04-09

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.)

653	earthquakes
215	earthquake occurrences
134	volcanoes
90	maps and atlases
62	real-time monitoring and reporting
61	climate change
59	mineral resources
47	groundwater
43	geospatial analysis
39	map interfaces
38	energy resources
38	surface water (non-marine)
31	invasive species
29	remote sensing
27	floods
25	water quality
25	avian influenza
25	topographic maps
24	contamination and pollution
24	natural gas resources
23	droughts
21	oil resources
19	earthquake probabilities
16	geologic maps
14	acid deposition
14	environmental health (human)
13	human impacts
12	microbiology
12	volcanic activity
11	topics
10	water chemistry
10	life sciences
10	soil resources
9	sediment transport
9	earth structure
9	toxic radionuclide contamination
8	groundwater flow
8	earth sciences
8	land use and land cover
7	groundwater quality

Science Topics term usage Monday, 2012-04-09