USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2007-07-14

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

Scripts used

1035science
104kwic
38combine

Browse terms chosen

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

47geographic information systems (GIS)
27earthquakes
23water resources
21rubidium-strontium analysis
13biogeography
8climate change
8water chemistry
8ground water
8global warming
8surface water (non-marine)
8mineral resources
8volcanoes
8water quality
7real-time monitoring and reporting
7rocks and deposits
7hurricanes
7earthquake occurrences
7desert ecosystems
7streamflow
7ocean characteristics
6lakes
6tectonic processes
6sedimentary rocks
6earth structure
6sediment transport
6tsunamis
6marine ecosystems
6oil resources
6global change
6remote sensing
6anatomy and physiology
5invertebrates
5geologic history
5aerial photography
5information system design and development
5acid deposition
5aquatic ecosystems
5sea-floor characteristics
5energy resources
5animals

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:57 EDT