USGS - science for a changing world

Science Topics

Science Topics term usage 2006-08

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

Scripts used

42202science
3415kwic
2688combine

Browse terms chosen

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

1995earthquakes
1604geographic information systems (GIS)
1339volcanoes
555earthquake occurrences
512energy resources
486earth structure
442tectonic processes
427mineral resources
409maps and atlases
392volcanic eruption prediction
343water resources
336water quality
334animals
333aerial photography
326climate change
325real-time monitoring and reporting
324ground water
313streamflow
313contamination and pollution
309tsunamis
294geologic history
282floods
279human impacts
276water supply and demand
270acid deposition
268rocks and deposits
267surface water (non-marine)
264ground-water flow
252land use and land cover
252cartography
242geologic structure
231planetary bodies
230health and disease
228hazards
227magnetic field (earth)
227coastal zones
226oil resources
223invasive species
223scientific careers
222volcanic activity

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:53 EDT