Science Topics term usage 2006-09-26

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.)

97	earthquakes
64	volcanoes
58	geographic information systems (GIS)
43	animals
30	earthquake occurrences
29	earth structure
28	maps and atlases
25	bacteria
23	water quality
22	rocks and deposits
20	nonvascular plants
19	tsunamis
19	mineral resources
17	contamination and pollution
17	tectonic processes
17	coastal zones
16	ground water
15	land use and land cover
15	endangered species
15	glaciation
15	human impacts
15	ocean characteristics
14	parasites
14	plants (organisms)
13	climate change
13	outer core (earth)
13	igneous rocks
12	geologic structure
12	geologic history
12	streamflow
12	acid deposition
12	storms
12	remote sensing
12	land regions
12	magnetic field (earth)
11	health and disease
11	global change
11	invasive species
11	vertebrates
11	oil resources

Science Topics term usage Tuesday, 2006-09-26