Science Topics term usage 2008-09-21

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.)

283	earthquakes
115	volcanoes
103	earthquake occurrences
98	maps and atlases
54	USGS map servers
50	climate change
48	energy resources
45	real-time monitoring and reporting
32	contamination and pollution
32	mineral resources
29	floods
29	droughts
27	avian influenza
27	invasive species
27	water quality
26	ground water
26	geospatial analysis
25	environmental health (human)
23	remote sensing
17	erosion
16	animals
16	human impacts
16	surface water (non-marine)
16	fires
15	oil resources
15	acid deposition
15	aquatic ecosystems
12	earthquake probabilities
11	ocean characteristics
10	desert ecosystems
10	global warming
10	impact cratering
10	bathymetry
10	hurricanes
10	coal resources
10	endangered species
9	glaciation
9	ocean-atmosphere interaction
9	aerial photography
8	administrative and political boundaries

Science Topics term usage Sunday, 2008-09-21