USGS - science for a changing world

Science Topics

Science Topics term usage 2008-09

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

Scripts used

95812science
15691combine
3686kwic

Browse terms chosen

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

20108earthquakes
9325earthquake occurrences
4180volcanoes
3786maps and atlases
2418real-time monitoring and reporting
1870USGS map servers
1787floods
1671climate change
1627energy resources
1445mineral resources
1296ground water
1214water quality
1070surface water (non-marine)
1045remote sensing
1013contamination and pollution
996geospatial analysis
930droughts
901invasive species
800avian influenza
649environmental health (human)
608fires
573oil resources
554earthquake probabilities
544seismology
453acid deposition
381human impacts
349animals
346earth structure
299life sciences
291tectonic processes
291hurricanes
288river systems
286natural gas resources
275endangered species
274desert ecosystems
271erosion
262California
252streamflow
249global warming
249plants (organisms)

KWIC index letters chosen

bar graph showing usage of each letter

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URL: http://geology.usgs.gov/peter/topics/term-use/2008-09/2008-09.html
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Page Last Modified: Friday, 03-Oct-2008 10:00:09 EDT