Science Topics term usage 2008-09-12

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.)

606	earthquakes
248	earthquake occurrences
172	volcanoes
142	maps and atlases
123	real-time monitoring and reporting
106	floods
65	USGS map servers
54	climate change
53	energy resources
45	ground water
44	surface water (non-marine)
43	water quality
42	mineral resources
38	remote sensing
38	invasive species
38	geospatial analysis
35	contamination and pollution
33	droughts
31	avian influenza
28	acid deposition
26	earthquake probabilities
25	fires
21	land use and land cover
21	human impacts
20	oil resources
20	environmental health (human)
18	tsunamis
18	hurricanes
17	storm surge
17	seismology
15	endangered species
15	erosion
14	rocks and deposits
13	biodiversity
13	natural gas resources
13	animals
12	marine geology
11	aquatic ecosystems
11	aerial photography
11	health and disease

Science Topics term usage Friday, 2008-09-12