Science Topics term usage 2012-07-13

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.)

392	earthquakes
141	earthquake occurrences
43	volcanoes
38	droughts
37	real-time monitoring and reporting
33	maps and atlases
27	groundwater
24	climate change
24	energy resources
24	surface water (non-marine)
22	geospatial analysis
19	map interfaces
17	mineral resources
16	invasive species
16	floods
14	water quality
11	oil resources
11	remote sensing
9	topographic maps
9	contamination and pollution
8	natural gas resources
8	seismology
8	volcanic activity
7	earth structure
7	avian influenza
7	earthquake probabilities
6	geologic maps
6	land use and land cover
6	microbiology
6	employment and volunteer opportunities
5	environmental health (human)
5	fires
5	groundwater quality
5	geologic processes
5	surface water quality
4	tectonic processes
4	acid deposition
4	greenhouse effect
4	river systems
4	geochemistry

Science Topics term usage Friday, 2012-07-13