USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2005-05-26

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

Scripts used

3017science
252combine
192kwic

Browse terms chosen

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

149earthquakes
103volcanoes
91surface water (non-marine)
82geographic information systems (GIS)
43streamflow
39mineral resources
34earthquake occurrences
34energy resources
33water quality
27tectonic processes
25ground water
24earth structure
22water resources
22animals
22maps and atlases
22rocks and deposits
22floods
21hazards
21real-time monitoring and reporting
21geologic structure
20geologic history
20ground-water flow
20seismology
18geochemistry
18earthquake probabilities
18remote sensing
17glaciation
17precipitation (atmospheric)
17magnetic field (earth)
16global change
16invasive species
15tsunamis
15map coordinate systems
15hydrology
15aerial photography
14marine geology
14stream-gage measurement
14water properties
13oil resources
13human impacts

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:46 EDT