USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2009-06-06

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

Scripts used

2374science
435combine
70kwic

Browse terms chosen

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

722earthquakes
425earthquake occurrences
89volcanoes
75maps and atlases
71real-time monitoring and reporting
45USGS map servers
38mineral resources
33topographic maps
26contamination and pollution
26climate change
25surface water (non-marine)
24energy resources
24ground water
22water quality
22remote sensing
21environmental health (human)
21geospatial analysis
20avian influenza
19invasive species
16floods
14droughts
13geologic maps
10seismology
9desert ecosystems
9earthquake probabilities
9fires
7California
7health and disease
6rocks and deposits
6aerial photography
5geomorphology
5stream discharge
5volcanic activity
5life sciences
5oil resources
4human impacts
4volcanic eruption prediction
4industrial pollution
4geologic processes
4tsunamis

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Wednesday, 10-Jun-2009 11:03:55 EDT