Science Topics term usage 2012-02-07

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.)

897	earthquakes
283	earthquake occurrences
278	volcanoes
116	maps and atlases
63	mineral resources
60	map interfaces
60	climate change
60	real-time monitoring and reporting
47	energy resources
46	groundwater
43	geospatial analysis
43	water quality
40	Categories
38	earthquake probabilities
38	topographic maps
34	remote sensing
30	floods
29	surface water (non-marine)
29	contamination and pollution
27	geologic maps
23	droughts
21	grain-size analysis
19	invasive species
19	oil resources
18	seismology
18	avian influenza
17	fires
14	human impacts
14	environmental health (human)
13	acid deposition
13	natural gas resources
13	tsunamis
13	microbiology
12	metallic ores
11	geographic information systems (GIS)
10	Antarctica
10	animal behavior
9	hydrology
9	topics
8	tectonic processes

Science Topics term usage Tuesday, 2012-02-07