USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2008-07-13

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

Scripts used

2276science
328combine
82kwic

Browse terms chosen

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

434volcanoes
305earthquakes
138earthquake occurrences
86maps and atlases
56mineral resources
53real-time monitoring and reporting
49USGS map servers
41energy resources
37ground water
36floods
35climate change
31droughts
31fires
30surface water (non-marine)
27water quality
26geospatial analysis
24contamination and pollution
24remote sensing
24invasive species
19avian influenza
16environmental health (human)
14seismology
14oil resources
12earthquake probabilities
10bathymetry
9USGS budget
9volcanic activity
8earth structure
8ground-water flow
7river systems
7acid deposition
6sediment transport
6animals
6metallic ores
6nonmetallic mineral resources
6Alaska
5earth history
5endangered species
5natural gas resources
5geochemistry

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Wednesday, 16-Jul-2008 10:29:33 EDT