USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2006-07-30

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

Scripts used

765science
68kwic
56combine

Browse terms chosen

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

49earthquakes
46volcanoes
40geographic information systems (GIS)
18agriculture
14tectonic processes
14climate change
13earth structure
12aerial photography
12seismology
11maps and atlases
9meteorites
9ground water
8water resources
8acid deposition
8waste treatment and disposal
7surface water (non-marine)
7ground-water flow
7river systems
7precipitation (atmospheric)
6biogeographic regions
6tsunamis
6water quality
6real-time monitoring and reporting
6erosion
6remote sensing
5well drilling
5floods
5water supply and demand
5land use and land cover
5global change
5snow and ice cover
5mineral resources
5land surface characteristics
5glaciation
4human impacts
4seismic methods
4natural resource extraction
4river reaches
4rocks and deposits
4topics

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:52 EDT