Science Topics term usage 2007-12-16

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.)

38	geographic information systems (GIS)
34	zoology
22	map coordinate systems
22	earthquakes
13	acid deposition
13	rocks and deposits
13	volcanoes
12	earth structure
11	geologic history
10	contamination and pollution
9	wildlife biology
9	desert ecosystems
9	tsunamis
8	climate change
8	land use and land cover
8	animals
8	mathematical modeling
8	human impacts
8	topography
7	erosion
7	magnetic field (earth)
7	tectonic processes
7	mining hazards
7	floods
7	vegetation
7	information system design and development
7	plants (organisms)
7	ground-water flow
7	biogeography
7	real-time monitoring and reporting
6	mineral resources
6	endangered species
6	global warming
6	aquatic ecosystems
6	earthquake occurrences
6	topics
6	marine ecosystems
5	freshwater ecosystems
5	crust (earth)
5	snow and ice cover

Science Topics term usage Sunday, 2007-12-16