Science Topics term usage 2012-03-29

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.)

600	earthquakes
204	volcanoes
195	earthquake occurrences
89	maps and atlases
77	real-time monitoring and reporting
67	mineral resources
51	surface water (non-marine)
50	groundwater
47	floods
46	energy resources
44	oil resources
40	climate change
37	geospatial analysis
36	water quality
34	remote sensing
33	droughts
31	invasive species
29	contamination and pollution
29	map interfaces
22	fires
22	geologic maps
21	avian influenza
19	natural gas resources
16	earthquake probabilities
13	environmental health (human)
12	topographic maps
12	microbiology
11	human impacts
11	river systems
11	seismology
10	tsunamis
10	volcanic activity
8	tectonic processes
8	groundwater quality
7	plants (organisms)
7	life sciences
7	groundwater flow
7	acid deposition
7	animals
7	land use and land cover

Science Topics term usage Thursday, 2012-03-29