Science Topics term usage 2009-07-10

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.)

947	earthquakes
363	earthquake occurrences
136	maps and atlases
111	volcanoes
86	real-time monitoring and reporting
69	topographic maps
47	energy resources
42	earthquake probabilities
40	map interfaces
40	climate change
38	mineral resources
36	droughts
34	contamination and pollution
31	ground water
28	surface water (non-marine)
27	water quality
25	remote sensing
25	floods
25	seismology
23	geospatial analysis
22	geologic maps
21	avian influenza
21	invasive species
16	oil resources
14	environmental health (human)
13	health and disease
12	global warming
11	river systems
10	fires
10	soil resources
10	streamflow
9	natural gas resources
9	earth structure
8	California
7	geologic history
7	volcanic activity
6	acid deposition
6	nonmetallic mineral resources
6	coal resources
6	hazards

Science Topics term usage Friday, 2009-07-10