Science Topics term usage 2009-06-21

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.)

482	earthquakes
269	earthquake occurrences
87	maps and atlases
87	volcanoes
65	real-time monitoring and reporting
35	climate change
34	topographic maps
34	USGS map servers
28	mineral resources
25	energy resources
20	droughts
19	invasive species
19	ground water
18	surface water (non-marine)
17	floods
17	water quality
17	geospatial analysis
15	remote sensing
12	avian influenza
11	contamination and pollution
11	seismology
10	earthquake probabilities
10	geologic maps
10	fires
9	environmental health (human)
9	California
9	hazards
7	oil resources
7	life sciences
6	administrative and political boundaries
5	aerial photography
5	earth characteristics
5	global warming
5	earth structure
5	human impacts
5	hydrology
5	pesticide and herbicide contamination
5	tectonic processes
4	animals
4	ground-water flow

Science Topics term usage Sunday, 2009-06-21