Science Topics term usage 2006-09-24

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.)

52	volcanoes
43	geographic information systems (GIS)
40	bacteria
39	earthquakes
23	earth structure
22	streamflow
19	maps and atlases
17	mineral resources
16	tectonic processes
16	animals
15	geologic structure
15	geologic history
14	climate change
14	health and disease
13	erosion
13	human impacts
13	rocks and deposits
12	ecosystems
12	water quality
11	endangered species
11	energy resources
11	landslides
11	water properties
11	tsunamis
10	acid deposition
10	map coordinate systems
10	land use and land cover
10	cartography
10	global change
9	invasive species
9	contamination and pollution
9	planetary bodies
9	water supply and demand
9	coastal zones
9	geochemistry
9	remote sensing
9	ground water
9	sediment transport
9	information system design and development
9	water use

Science Topics term usage Sunday, 2006-09-24