USGS - science for a changing world

Science Topics

Science Topics term usage Monday, 2006-05-22

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

Scripts used

2468science
486combine
255kwic

Browse terms chosen

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

271earthquakes
187volcanoes
79geographic information systems (GIS)
51earthquake occurrences
38animals
37mineral resources
31acid deposition
31real-time monitoring and reporting
29climate change
29streamflow
29earthquake probabilities
28surface water (non-marine)
28tectonic processes
28ground water
25maps and atlases
21wildlife
21landslides
20hazards
20tsunamis
20earth structure
20energy resources
19water quality
18endangered species
17planetary bodies
17erosion
16magnetic field (earth)
16geologic history
15contamination and pollution
15plants (organisms)
15biological population management
15droughts
15invasive species
15global change
15sea-floor characteristics
13water resources
13storms
13oil resources
13marine geology
13geochemistry
13meteorites

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:51 EDT