Science Topics term usage 2009-02-16

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.)

581	earthquakes
296	volcanoes
245	earthquake occurrences
129	maps and atlases
84	real-time monitoring and reporting
73	USGS map servers
73	mineral resources
61	topographic maps
57	climate change
55	floods
55	energy resources
45	ground water
43	contamination and pollution
42	droughts
40	geospatial analysis
39	surface water (non-marine)
37	water quality
35	remote sensing
34	avian influenza
33	invasive species
19	geologic maps
19	oil resources
17	seismology
17	fires
17	human impacts
16	environmental health (human)
16	earthquake probabilities
12	land use and land cover
12	volcanic activity
12	earth structure
12	geologic processes
11	health and disease
11	global warming
10	copper
10	river systems
9	hydrogeology
9	waste treatment and disposal
9	coal resources
9	acid deposition
9	geologic structure

Science Topics term usage Monday, 2009-02-16