USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2007-02-04

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

Scripts used

1632science
137kwic
58combine

Browse terms chosen

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

66geographic information systems (GIS)
60earthquakes
33volcanoes
25earth structure
22diatoms
20earthquake occurrences
19rocks and deposits
17acid deposition
17tectonic processes
17geologic history
16endangered species
15tsunamis
15mineral resources
12health and disease
12landslides
12human impacts
12climate change
11wildlife
11coastal zones
10erosion
10outer core (earth)
10sea-floor characteristics
10contamination and pollution
10ocean characteristics
9global change
9land surface characteristics
9hurricanes
9marine geology
9energy resources
8impact cratering
8real-time monitoring and reporting
8land use and land cover
8industrial pollution
8zoology
8hazards
8ecosystems
7global warming
7geography
7precipitation (atmospheric)
7earth history

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:55 EDT