Science Topics term usage 2007-06-09

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.)

56	geographic information systems (GIS)
27	earthquakes
24	natural resource extraction
23	volcanoes
11	earth structure
11	acid deposition
10	magnetic field (earth)
9	real-time monitoring and reporting
9	water supply and demand
9	contamination and pollution
9	birds
8	geospatial datasets
8	earthquake occurrences
7	surface water (non-marine)
7	tectonic processes
7	ground water
7	remote sensing
7	gravitational field (earth)
7	animals
7	global change
7	biological and physical processes
6	rocks and deposits
6	land use and land cover
6	human impacts
6	biodiversity
6	sea-floor characteristics
6	cartography
5	aerial photography
5	water quality
5	wildlife
5	invasive species
5	water resources
5	topography
5	geolocation measurement
5	energy resources
5	estuarine ecosystems
5	endangered species
5	desert ecosystems
5	water chemistry
4	snow and ice cover

Science Topics term usage Saturday, 2007-06-09