Science Topics term usage 2008-12-19

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.)

421	earthquakes
183	earthquake occurrences
83	maps and atlases
75	volcanoes
53	real-time monitoring and reporting
43	energy resources
43	climate change
39	USGS map servers
32	topographic maps
32	ground water
30	geospatial analysis
29	surface water (non-marine)
26	mineral resources
25	remote sensing
25	water quality
24	floods
22	avian influenza
22	earthquake probabilities
20	invasive species
19	geologic maps
17	contamination and pollution
17	droughts
14	environmental health (human)
14	fires
14	seismology
10	river systems
9	USGS budget
8	animals
8	acid deposition
7	geothermal resources
7	geochemistry
6	hydrology
6	rocks and deposits
6	earth structure
6	global warming
6	snow and ice cover
6	tectonic processes
5	bathymetry
5	population and community ecology
5	desert ecosystems

Science Topics term usage Friday, 2008-12-19