Science Topics term usage 2008-10-07

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.)

523	earthquakes
212	earthquake occurrences
162	volcanoes
145	maps and atlases
76	real-time monitoring and reporting
65	climate change
62	floods
54	ground water
52	energy resources
51	mineral resources
50	USGS map servers
41	water quality
31	remote sensing
29	surface water (non-marine)
29	droughts
29	contamination and pollution
24	avian influenza
24	geospatial analysis
22	seismology
21	invasive species
21	oil resources
21	earthquake probabilities
20	earth structure
20	environmental health (human)
18	fires
18	animals
15	acid deposition
14	desert ecosystems
14	erosion
12	natural gas resources
12	human impacts
12	surface water quality
11	endangered species
11	geologic history
11	volcanic activity
11	hydrology
10	social sciences
10	outer core (earth)
10	global change
9	water properties

Science Topics term usage Tuesday, 2008-10-07