USGS - science for a changing world

Science Topics

Science Topics term usage 2006-02

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

Scripts used

71285science
7409combine
6351kwic

Browse terms chosen

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

5176earthquakes
4627volcanoes
1671geographic information systems (GIS)
1338tectonic processes
1310earthquake occurrences
956earth structure
854mineral resources
805energy resources
668ground water
660maps and atlases
639rocks and deposits
618animals
602tsunamis
568geologic history
567streamflow
566real-time monitoring and reporting
527landslides
527aerial photography
517surface water (non-marine)
502water quality
495climate change
484contamination and pollution
472geologic structure
468floods
439earthquake probabilities
421acid deposition
419erosion
413remote sensing
406seismology
402coastal zones
382hazards
372human impacts
368magnetic field (earth)
368health and disease
365cartography
362ocean characteristics
360ground-water flow
359volcanic activity
354oil resources
344ecosystems

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:50 EDT