USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2008-08-29

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

Scripts used

2568science
391combine
82kwic

Browse terms chosen

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

486earthquakes
217earthquake occurrences
138maps and atlases
105volcanoes
80USGS map servers
79real-time monitoring and reporting
57mineral resources
52climate change
51energy resources
50water quality
41ground water
40floods
37geospatial analysis
37invasive species
36remote sensing
36contamination and pollution
33droughts
31surface water (non-marine)
25fires
24avian influenza
21oil resources
19environmental health (human)
17earthquake probabilities
12hurricanes
12California
11seismology
11earth structure
10global warming
10river systems
10volcanic activity
9aerial photography
9geographic information systems (GIS)
9geochemistry
9marine geology
8acid deposition
8surface water quality
8bathymetry
8natural gas resources
7USGS budget
7ocean characteristics

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 02-Sep-2008 10:50:25 EDT