Science Topics term usage 2012-04-06

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.)

434	earthquakes
157	earthquake occurrences
98	volcanoes
79	toxic radionuclide contamination
58	maps and atlases
43	mineral resources
38	real-time monitoring and reporting
32	surface water (non-marine)
30	groundwater
26	energy resources
23	offstream water use
22	water quality
21	climate change
21	geospatial analysis
21	remote sensing
20	avian influenza
19	floods
19	droughts
18	map interfaces
16	earthquake probabilities
15	topographic maps
15	invasive species
13	fires
11	oil resources
11	environmental health (human)
10	microbiology
10	contamination and pollution
10	earth characteristics
10	tsunamis
8	endangered species
8	hydrologic processes
8	biodiversity
7	life sciences
7	nonmetallic mineral resources
7	petroleum
6	geologic maps
6	hydrology
6	seismology
6	geologic processes
6	natural gas resources

Science Topics term usage Friday, 2012-04-06