Science Topics term usage 2007-12-26

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.)

158	earthquake occurrences
70	earthquakes
37	geographic information systems (GIS)
33	endemic species
12	volcanoes
10	sediment transport
9	rocks and deposits
9	streamflow
8	aerial photography
8	land use and land cover
8	remote sensing
8	maps and atlases
7	oil resources
7	ground water
7	geologic history
7	topics
6	human impacts
6	magnetic field (earth)
6	recreation
6	climate change
6	Alaska
6	water quality
6	elements
6	tectonic processes
6	energy resources
6	ground-water flow
6	real-time monitoring and reporting
5	animals
5	global warming
5	topography
5	precipitation (atmospheric)
5	earth structure
5	organism growth and development
5	contamination and pollution
5	surface water (non-marine)
5	floods
4	chemical analysis
4	laboratory methods
4	atmospheric circulation
4	copper

Science Topics term usage Wednesday, 2007-12-26