USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2008-06-22

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

Scripts used

1586science
268combine
47kwic

Browse terms chosen

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

292earthquakes
133earthquake occurrences
109volcanoes
82maps and atlases
73real-time monitoring and reporting
60floods
57USGS map servers
34fires
34energy resources
31climate change
31geospatial analysis
26mineral resources
26ground water
25remote sensing
24surface water (non-marine)
18water quality
18invasive species
18avian influenza
16droughts
14environmental health (human)
14contamination and pollution
14oil resources
12river systems
10seismology
8earth structure
8earthquake probabilities
7surface-water level
7USGS maps on demand
6hydrology
6natural gas resources
6USGS budget
5seismic reflection method
5limnology
5plants (organisms)
5USGS mapping centers
4storms
4freshwater ecosystems
4sea-floor characteristics
4hazards
4water properties

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Wednesday, 25-Jun-2008 09:21:34 EDT