Science Topics term usage 2011-10-23

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.)

1800	earthquakes
734	earthquake occurrences
147	volcanoes
81	maps and atlases
62	real-time monitoring and reporting
45	mineral resources
43	earthquake probabilities
43	map interfaces
43	energy resources
38	groundwater
37	climate change
37	surface water (non-marine)
32	seismology
30	water quality
29	remote sensing
29	floods
29	avian influenza
29	droughts
28	geospatial analysis
27	contamination and pollution
22	invasive species
22	environmental health (human)
22	topographic maps
21	oil resources
18	natural gas resources
16	volcanic activity
12	microbiology
12	tectonic processes
10	geologic maps
10	health and disease
10	tsunamis
10	computational methods
9	human impacts
9	topics
9	rocks and deposits
9	acid deposition
9	fires
8	soil resources
8	nonmetallic mineral resources
8	gravitational field (earth)

Science Topics term usage Sunday, 2011-10-23