USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2007-03-18

This analysis excludes the activity of search-engine spiders, USGS users, and transactions resulting in errors.

Scripts used

1010science
80kwic
43combine

Browse terms chosen

(Table shows only the 40 most frequently chosen terms.)

57geographic information systems (GIS)
49earthquakes
48volcanoes
24mining hazards
21coastal zones
16acid deposition
13rocks and deposits
13earth structure
11earthquake occurrences
10climate change
10river systems
10floods
10tectonic processes
10geospatial datasets
9land use and land cover
8energy resources
8contamination and pollution
8rivers
7sediment transport
7outer core (earth)
7water quality
7geologic history
7erosion
7water use
7global warming
7animals
7seismology
6wildlife
6geography
6hurricanes
6aquifers
6map coordinate systems
6aerial photography
6glaciation
5gravitational field (earth)
5water supply and demand
5earth characteristics
5global change
5real-time monitoring and reporting
5oil resources

KWIC index letters chosen

bar graph showing usage of each letter

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