Science Topics term usage 2008-12-15

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.)

431	earthquakes
164	earthquake occurrences
152	volcanoes
113	maps and atlases
60	real-time monitoring and reporting
55	USGS map servers
45	floods
43	topographic maps
43	climate change
41	energy resources
38	mineral resources
33	ground water
33	avian influenza
32	droughts
32	contamination and pollution
28	geospatial analysis
28	invasive species
28	surface water (non-marine)
27	water quality
25	remote sensing
19	volcanic activity
18	fires
18	animals
17	environmental health (human)
16	geologic maps
15	tectonic processes
15	earthquake probabilities
14	endangered species
13	earth structure
13	hydrogeology
12	acid deposition
11	river systems
11	surface water quality
11	cartography
9	human impacts
8	marine biology
8	stream-gage measurement
8	oil resources
7	tsunamis
7	ground-water flow

Science Topics term usage Monday, 2008-12-15