Science Topics term usage 2011-02-18

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.)

1787	earthquakes
547	earthquake occurrences
230	volcanoes
56	real-time monitoring and reporting
55	maps and atlases
45	groundwater
41	floods
35	climate change
35	seismology
32	mineral resources
32	earthquake probabilities
26	water quality
26	surface water (non-marine)
25	energy resources
24	geospatial analysis
19	topographic maps
19	map interfaces
17	volcanic activity
16	remote sensing
16	invasive species
16	droughts
14	oil resources
14	avian influenza
14	contamination and pollution
13	hydrology
12	fires
12	geologic maps
10	environmental health (human)
9	microbiology
9	tectonic processes
9	human impacts
9	soil resources
8	tsunamis
7	geographic information systems (GIS)
7	land use and land cover
7	natural resource extraction
7	California
6	seismic methods
6	precipitation (atmospheric)
6	planetary bodies

Science Topics term usage Friday, 2011-02-18