Science Topics term usage 2006-12-22

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.)

81	geographic information systems (GIS)
48	earthquakes
43	thermal features
20	earthquake occurrences
18	volcanoes
13	map coordinate systems
11	drainage basins
11	tectonic processes
10	bioremediation
9	landslides
8	animals
8	geologic history
7	water chemistry
7	hazards
7	topography
6	geologic structure
6	floods
6	water hardness
6	GPS measurement
6	global warming
6	land use and land cover
6	geochemistry
6	acid deposition
5	rivers
5	geology
5	climate change
5	fires
5	ground water
5	stratigraphic sections
5	real-time monitoring and reporting
5	coastal ecosystems
5	aerial photography
5	earth structure
5	geospatial datasets
5	maps and atlases
5	contamination and pollution
5	impact cratering
5	plants (organisms)
5	tsunamis
5	hazard preparedness

Science Topics term usage Friday, 2006-12-22