Science Topics term usage 2006-10-04

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.)

91	earthquakes
85	volcanoes
55	geographic information systems (GIS)
35	earthquake occurrences
33	habitat alteration
26	water quality
25	tectonic processes
25	maps and atlases
24	mathematical simulation
23	acid deposition
22	earth structure
21	erosion
20	energy resources
19	contamination and pollution
16	mineral resources
15	precipitation (atmospheric)
15	magnetic field (earth)
14	hurricanes
14	health and disease
14	climate change
14	streamflow
14	droughts
13	topography
13	snow and ice cover
13	ocean characteristics
13	human impacts
13	land use and land cover
12	animals
12	ecosystems
12	invasive species
12	water resources
12	tsunamis
12	information management methods
11	plants (organisms)
11	ground water
11	glaciation
11	outer core (earth)
11	oil resources
11	landslides
11	global change

Science Topics term usage Wednesday, 2006-10-04