USGS - science for a changing world

Science Topics

Science Topics term usage Tuesday, 2008-04-15

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

Scripts used

5355science
1139combine
183kwic

Browse terms chosen

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

1347earthquakes
518earthquake occurrences
375volcanoes
181maps and atlases
132energy resources
132real-time monitoring and reporting
93climate change
82floods
78USGS map servers
77earthquake probabilities
71ground water
70mineral resources
66invasive species
66droughts
63water quality
63avian influenza
56geospatial analysis
52surface water (non-marine)
48seismology
46contamination and pollution
44remote sensing
43oil resources
31environmental health (human)
26fires
21Oregon
20land use and land cover
18tectonic processes
18river systems
17global warming
17erosion
16human impacts
14earth structure
12volcanic activity
12tsunamis
12global change
12acid deposition
11sediment transport
11stream discharge
11geographic information systems (GIS)
11California

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:33:57 EDT