USGS - science for a changing world

Science Topics

Science Topics term usage Wednesday, 2008-05-28

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

Scripts used

5365science
822combine
181kwic

Browse terms chosen

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

1517earthquakes
546earthquake occurrences
191volcanoes
170maps and atlases
136earthquake probabilities
123real-time monitoring and reporting
111USGS map servers
91energy resources
88mineral resources
84floods
80climate change
79surface water (non-marine)
61ground water
61contamination and pollution
58water quality
54avian influenza
51droughts
51geospatial analysis
44remote sensing
41invasive species
41oil resources
31fires
29environmental health (human)
26human impacts
26river systems
21seismology
21acid deposition
18streamflow
18erosion
16hazards
16volcanic activity
15aerial photography
15water chemistry
15global warming
14topics
14coal resources
13ecosystems
13ground-water flow
12land use and land cover
12tectonic processes

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 02-Jun-2008 12:10:19 EDT