USGS - science for a changing world

Science Topics

Science Topics term usage 2008-05

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

Scripts used

160702science
29374combine
4973kwic

Browse terms chosen

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

48634earthquakes
22334earthquake occurrences
9256volcanoes
4619maps and atlases
4053real-time monitoring and reporting
2695earthquake probabilities
2357USGS map servers
2139climate change
2126energy resources
2048floods
1963mineral resources
1757ground water
1746surface water (non-marine)
1629avian influenza
1562water quality
1538droughts
1469geospatial analysis
1433remote sensing
1360contamination and pollution
1210invasive species
957fires
954seismology
889environmental health (human)
757oil resources
547volcanic activity
535tectonic processes
448river systems
427human impacts
410acid deposition
389earth structure
378streamflow
369hazards
343erosion
333global warming
310topics
289ground-water flow
284hydrology
280desert ecosystems
277aquatic ecosystems
275natural gas resources

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 03-Jun-2008 09:41:41 EDT