Science Topics term usage 2011-04-05

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.)

1356	earthquakes
417	earthquake occurrences
282	volcanoes
106	real-time monitoring and reporting
100	maps and atlases
61	mineral resources
58	floods
54	groundwater
50	surface water (non-marine)
49	climate change
48	energy resources
44	earthquake probabilities
41	tsunamis
35	contamination and pollution
34	water quality
33	geospatial analysis
32	map interfaces
30	animals
29	remote sensing
29	seismology
24	tectonic processes
24	invasive species
24	topographic maps
22	oil resources
21	droughts
19	river systems
18	avian influenza
18	geologic maps
16	environmental health (human)
16	groundwater quality
14	acid deposition
14	land use and land cover
14	fires
13	volcanic activity
12	human impacts
12	microbiology
12	hazards
11	earth structure
10	stream-gage measurement
10	life sciences

Science Topics term usage Tuesday, 2011-04-05