Science Topics term usage 2011-02-23

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.)

1598	earthquakes
471	earthquake occurrences
252	volcanoes
103	maps and atlases
74	climate change
62	real-time monitoring and reporting
61	floods
56	mineral resources
47	earthquake probabilities
44	groundwater
43	geospatial analysis
42	energy resources
40	water quality
40	map interfaces
33	oil resources
32	topographic maps
31	surface water (non-marine)
30	droughts
28	contamination and pollution
28	seismology
26	remote sensing
25	avian influenza
24	geologic maps
24	fires
19	environmental health (human)
19	invasive species
18	volcanic activity
17	microbiology
16	land use and land cover
14	tectonic processes
14	human impacts
12	groundwater flow
12	hazards
11	erosion
11	acid deposition
11	topics
9	natural resources
9	streamflow
8	rocks and deposits
8	stream-gage measurement

Science Topics term usage Wednesday, 2011-02-23