Science Topics term usage 2006-10-30

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.)

90	volcanoes
85	earthquakes
49	geographic information systems (GIS)
43	atmospheric and climatic processes
30	earthquake occurrences
28	climate change
27	earth structure
22	ground water
21	human impacts
21	land use and land cover
21	mineral resources
20	tectonic processes
20	geologic history
19	streamflow
19	animals
19	tsunamis
18	topography
18	rocks and deposits
17	ground-water flow
17	desert ecosystems
17	contamination and pollution
16	geologic structure
16	energy resources
16	food web
16	geography
15	impact cratering
15	remote sensing
15	magnetic field (earth)
14	mathematical modeling
13	erosion
13	ocean characteristics
13	sediment transport
13	invasive species
12	ecology
12	acid deposition
12	water supply and demand
12	landslides
12	land use change
12	precipitation (atmospheric)
12	nonvascular plants

Science Topics term usage Monday, 2006-10-30