USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2007-12-15

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

Scripts used

641science
96kwic
65combine

Browse terms chosen

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

64map coordinate systems
31geographic information systems (GIS)
25earthquakes
18volcanoes
10real-time monitoring and reporting
9floods
9climate change
8acid deposition
8cartography
8earthquake occurrences
7estuarine ecosystems
7mineral resources
6snow and ice cover
6maps and atlases
6geologic history
6desert ecosystems
6rocks and deposits
5plants (organisms)
5engineering sciences
5glaciation
5oceanic lithosphere
5land use and land cover
5geologic structure
5earth structure
4geography
4hydraulic engineering
4tectonic processes
4energy resources
4USGS science centers
4water supply and demand
4river systems
4volcanic activity
4droughts
4Alberta
4copper
4Antarctica
4atmospheric and climatic processes
4contamination and pollution
4elements
4impact cratering

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:35:00 EDT