Science Topics term usage 2006-11-09

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.)

128	earthquakes
112	volcanoes
56	image analysis
38	tectonic processes
37	geographic information systems (GIS)
29	acid deposition
24	water use
23	earth structure
23	tsunamis
23	contamination and pollution
22	energy resources
21	floods
20	water quality
20	human impacts
19	animals
19	streamflow
19	precipitation (atmospheric)
19	water supply and demand
19	earthquake occurrences
17	climate change
17	mineral resources
17	hurricanes
17	geologic history
16	desert ecosystems
16	ecosystems
15	ground water
15	mathematical modeling
14	rocks and deposits
14	land use and land cover
13	magnetic field (earth)
13	industrial pollution
13	natural gas resources
13	global warming
13	endangered species
13	oil resources
13	geologic structure
12	maps and atlases
12	impact cratering
12	sedimentary rocks
12	erosion

Science Topics term usage Thursday, 2006-11-09