USGS - science for a changing world

Science Topics

Science Topics term usage 2008-10

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

Scripts used

91096science
13561combine
3865kwic

Browse terms chosen

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

16930earthquakes
7170earthquake occurrences
4227volcanoes
3932maps and atlases
2033real-time monitoring and reporting
1963USGS map servers
1694climate change
1675energy resources
1571mineral resources
1396water quality
1371floods
1325ground water
1098surface water (non-marine)
1090contamination and pollution
1043geospatial analysis
1038remote sensing
971droughts
832invasive species
810avian influenza
712fires
634environmental health (human)
547earthquake probabilities
507acid deposition
496oil resources
437seismology
375human impacts
356global warming
350earth structure
344endangered species
328erosion
324animals
309tectonic processes
302river systems
290tsunamis
290desert ecosystems
267surface water quality
247health and disease
239natural gas resources
239volcanic activity
235hydrology

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Wednesday, 05-Nov-2008 10:18:12 EST