USGS - science for a changing world

Science Topics

Science Topics term usage 2006-10

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

Scripts used

57978science
4297kwic
3741combine

Browse terms chosen

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

3341earthquakes
2303volcanoes
1535geographic information systems (GIS)
1059earthquake occurrences
710tectonic processes
617earth structure
530volcanic eruption prediction
511acid deposition
470ground water
462climate change
457contamination and pollution
435erosion
432mineral resources
432animals
411tsunamis
396real-time monitoring and reporting
396rocks and deposits
395water quality
392human impacts
375energy resources
345maps and atlases
342gem resources
338streamflow
330floods
326oil resources
323geologic history
320water chemistry
313hurricanes
310desert ecosystems
309geologic structure
297ground-water flow
285precipitation (atmospheric)
284land use and land cover
281endangered species
277volcanic activity
275aerial photography
270water supply and demand
270health and disease
261seismology
259landslides

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