USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2007-08-05

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

Scripts used

1446science
96kwic
59combine

Browse terms chosen

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

51geographic information systems (GIS)
31continental margins
30earthquakes
22coastal ecosystems
19earth structure
17volcanoes
14geospatial datasets
13ground-water flow
12rocks and deposits
12erosion
11oil resources
11mineral resources
11tectonic processes
10real-time monitoring and reporting
10earthquake occurrences
10streamflow
10ground water
9coastal zones
9aquatic ecosystems
9animals
9desert ecosystems
8energy resources
8natural gas resources
8hazards
8water quality
8freshwater ecosystems
8maps and atlases
8remote sensing
7water circulation
7photography
7water supply and demand
7tsunamis
7image collections
7contamination and pollution
7fires
7floods
7precipitation (atmospheric)
7geologic history
7information system design and development
6grassland ecosystems

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