Science Topics term usage 2008-10-20

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.)

445	earthquakes
188	earthquake occurrences
160	volcanoes
137	maps and atlases
62	USGS map servers
56	water quality
52	climate change
52	real-time monitoring and reporting
49	energy resources
45	floods
43	mineral resources
37	remote sensing
33	droughts
31	geospatial analysis
30	invasive species
29	ground water
29	surface water (non-marine)
28	avian influenza
26	acid deposition
23	fires
23	oil resources
23	contamination and pollution
22	environmental health (human)
22	human impacts
21	earthquake probabilities
16	desert ecosystems
16	plants (organisms)
16	seismology
16	animals
15	global warming
15	erosion
15	endangered species
15	health and disease
13	rocks and deposits
13	surface water quality
12	aerial photography
12	tsunamis
11	biodiversity
11	hydrology
11	impact cratering

Science Topics term usage Monday, 2008-10-20