USGS - science for a changing world

Science Topics

Science Topics term usage Wednesday, 2006-12-27

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

Scripts used

1088science
90combine
82kwic

Browse terms chosen

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

98geographic information systems (GIS)
63energy resources
58earthquakes
41volcanoes
20earthquake occurrences
19rocks and deposits
16contamination and pollution
11human impacts
11acid deposition
11ground water
10real-time monitoring and reporting
10earth structure
10geography
9aerial photography
9ground-water flow
9streamflow
8oil resources
8water properties
8map coordinate systems
7tsunamis
7electrical resistivity logging
7topography
7hydrology
7geologic history
6geothermal resources
6drainage basins
6environmental assessment
6precipitation (atmospheric)
6mineral resources
6natural gas resources
6estuaries
6stream-gage measurement
6igneous rocks
6global warming
5tectonic processes
5coal resources
5floods
5maps and atlases
5droughts
5global change

KWIC index letters chosen

bar graph showing usage of each letter

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