Science Topics term usage 2008-02-02

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.)

58	geographic information systems (GIS)
40	earthquakes
40	sonar methods
18	acid deposition
16	climate change
15	earthquake occurrences
13	floods
13	earth structure
12	water supply and demand
12	topography
12	segmented worms
12	geologic history
11	land use and land cover
11	ground-water flow
11	tectonic processes
11	aerial photography
11	human impacts
11	bathymetry
10	geography
10	contamination and pollution
10	water quality
10	ground water
10	real-time monitoring and reporting
10	plants (organisms)
10	impact cratering
10	marine geology
10	water resources
10	endangered species
9	fishery resources
9	geologic structure
9	river systems
9	abandoned mines and quarries
9	rocks and deposits
9	natural resource management
9	gravitational field (earth)
9	ocean-atmosphere interaction
9	erosion
8	mathematical simulation
8	volcanoes
8	animals

Science Topics term usage Saturday, 2008-02-02