USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2007-01-06

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

Scripts used

1139science
88kwic
43combine

Browse terms chosen

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

74earthquake probabilities
64geographic information systems (GIS)
46tectonic features
45earthquakes
31volcanoes
13earthquake occurrences
12magnetic field (earth)
12surface water (non-marine)
11tectonic processes
11wildlife
10mineral resources
10map coordinate systems
9ocean temperature
9ground water
8earth structure
8animals
8erosion
8climate change
8geography
7global warming
7hurricanes
7rocks and deposits
7volcanology
6industrial pollution
6landslides
6GPS measurement
6endangered species
6geologic structure
6cartography
5nonvascular plants
5water chemistry
5vertebrates
5fossils
5aerial photography
5oil resources
5water use
5tsunamis
5topography
5seismology
5streamflow

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:54 EDT