USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2007-12-21

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

Scripts used

1497science
111kwic
70combine

Browse terms chosen

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

45geographic information systems (GIS)
42earthquakes
29beaches
26ocean circulation
24earthquake occurrences
24volcanoes
12acid deposition
11energy resources
11geologic history
10floods
10global warming
10rocks and deposits
10coal resources
10glaciation
9sedimentation
9real-time monitoring and reporting
8magnetic field (earth)
8grassland ecosystems
8snow and ice cover
8coastal ecosystems
7water resources
7tectonic processes
7topics
7desert ecosystems
7water use
7igneous rocks
7erosion
7earth history
7global change
7soil chemistry
7fires
7natural gas resources
7water cycle
7land surface characteristics
7landslides
7earth structure
6precipitation (atmospheric)
6health and disease
6oil resources
6ground-water level

KWIC index letters chosen

bar graph showing usage of each letter

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