USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2007-07-20

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

Scripts used

1715science
280combine
133kwic

Browse terms chosen

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

172earthquakes
95earthquake occurrences
77geographic information systems (GIS)
66real-time monitoring and reporting
65coalbed methane resources
26volcanoes
24stream discharge
22surface water (non-marine)
18ground water
18contamination and pollution
16earth structure
13rocks and deposits
13acid deposition
12energy resources
12climate change
12geologic history
10streamflow
10aerial photography
10aquatic ecosystems
9maps and atlases
9precipitation (atmospheric)
9map coordinate systems
9animals
9ground-water flow
9tectonic processes
9oil resources
9floods
8desert ecosystems
8coal resources
8ecosystems
8topography
8natural gas resources
7aquifers
7global change
7water chemistry
7earthquake probabilities
7sea-level change
7magnetic field (earth)
7field methods
7tsunamis

KWIC index letters chosen

bar graph showing usage of each letter

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://geology.usgs.gov/peter/topics/term-use/2007-07/2007-07-20.html
Page Contact Information: Peter Schweitzer
Page Last Modified: Friday, 25-Apr-2008 17:34:57 EDT