Science Topics term usage 2007-01-27

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.)

57	geographic information systems (GIS)
49	earthquakes
42	volcanoes
31	biogeography
16	real-time monitoring and reporting
13	human impacts
11	earth structure
11	ground-water flow
11	maps and atlases
10	rocks and deposits
10	topography
9	habitats
9	geologic structure
8	earthquake occurrences
8	ground water
8	tectonic processes
8	mineral resources
7	map coordinate systems
7	sediment transport
6	acid deposition
6	contamination and pollution
6	climate change
6	aerial photography
6	energy resources
6	magnetic field (earth)
6	river systems
6	geography
5	earthquake probabilities
5	invasive species
5	water chemistry
5	fault zones
5	animals
5	water properties
5	marine geology
5	volcanic activity
4	floods
4	geochemistry
4	hurricanes
4	geologic history
4	hydrogeology

Science Topics term usage Saturday, 2007-01-27