Science Topics term usage 2011-08-14

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.)

322	earthquakes
113	volcanoes
96	earthquake occurrences
53	maps and atlases
35	real-time monitoring and reporting
26	groundwater
24	floods
22	topographic maps
22	surface water (non-marine)
21	geospatial analysis
21	mineral resources
20	geologic maps
17	droughts
17	map interfaces
15	energy resources
13	water quality
12	earthquake probabilities
12	natural gas resources
12	climate change
9	fires
9	remote sensing
9	invasive species
8	contamination and pollution
8	volcanic activity
8	seismic methods
7	environmental health (human)
7	erosion
7	seismology
7	avian influenza
5	water chemistry
5	microbiology
5	geologic processes
5	geochemistry
4	hurricanes
4	magnetic field (earth)
4	meteorites
4	earth structure
4	river systems
4	tectonic processes
4	oil resources

Science Topics term usage Sunday, 2011-08-14