USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2006-12-16

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

Scripts used

752science
72kwic
31combine

Browse terms chosen

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

54geographic information systems (GIS)
30earthquakes
23volcanoes
20hydrographic structures
13ground-water flow
12maps and atlases
10map coordinate systems
10natural resource management
10mining hazards
9ground water
8earth structure
7animals
7information system design and development
7tectonic processes
6tsunamis
6dam sites
6mineral resources
6endangered species
6rocks and deposits
5topics
5geospatial datasets
5hurricanes
5acid deposition
5hazards
5remote sensing
5outer core (earth)
4seismology
4wetland ecosystems
4snow and ice cover
4parks
4life sciences
4bathymetry
4California
4energy resources
4sedimentation
4land surface characteristics
4hydrographic features
4earthquake occurrences
4water properties
3USGS Quadrangles

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