Science Topics term usage 2008-01-28

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.)

65	geographic information systems (GIS)
49	earthquakes
39	volcanoes
24	tectonic processes
23	global change
21	health and disease
21	acid deposition
19	desert ecosystems
17	organism growth and development
17	earthquake occurrences
16	mineral resources
15	earth structure
15	harbors
14	oil resources
14	human impacts
14	water resources
13	land use and land cover
12	ocean characteristics
11	global warming
11	water quality
11	plants (organisms)
11	animals
11	aquatic ecosystems
11	energy resources
11	magnetic field (earth)
11	climate change
11	contamination and pollution
10	river systems
10	ground water
10	sediment transport
10	remote sensing
10	erosion
10	glaciation
10	topography
10	water use
9	geochemistry
9	mathematical modeling
9	wildlife
9	floods
9	ground-water flow

Science Topics term usage Monday, 2008-01-28