Science Topics term usage 2012-02-22

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.)

804	earthquakes
287	earthquake occurrences
236	volcanoes
95	maps and atlases
82	real-time monitoring and reporting
75	mineral resources
51	climate change
48	floods
47	energy resources
44	surface water (non-marine)
42	geospatial analysis
38	invasive species
35	map interfaces
35	groundwater
34	droughts
34	remote sensing
32	water quality
31	contamination and pollution
31	earthquake probabilities
29	oil resources
25	topographic maps
24	avian influenza
20	fires
20	environmental health (human)
19	microbiology
17	cartography
17	human impacts
16	geologic maps
16	offstream water use
14	land use and land cover
12	hydrogeology
12	tectonic processes
11	volcanic activity
10	acid deposition
10	surface water quality
10	tsunamis
9	topics
9	geomorphology
9	seismology
9	metallic ores

Science Topics term usage Wednesday, 2012-02-22