Science Topics term usage 2011-01-30

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.)

928	earthquakes
314	earthquake occurrences
230	volcanoes
61	maps and atlases
40	mineral resources
38	climate change
29	energy resources
28	floods
24	topographic maps
24	surface water (non-marine)
21	real-time monitoring and reporting
21	groundwater
20	oil resources
20	map interfaces
18	seismology
17	remote sensing
16	avian influenza
16	contamination and pollution
16	geologic maps
16	droughts
15	earthquake probabilities
15	water quality
13	geospatial analysis
10	environmental health (human)
9	invasive species
9	volcanic activity
9	endangered species
8	microbiology
8	acid deposition
8	animals
8	tectonic processes
7	human impacts
7	natural resource extraction
6	geologic processes
6	biodiversity
5	hydrology
5	aquatic ecosystems
5	ecosystems
5	health and disease
5	geographic information systems (GIS)

Science Topics term usage Sunday, 2011-01-30