USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2008-11-15

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

Scripts used

2107science
363combine
76kwic

Browse terms chosen

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

394earthquakes
162earthquake occurrences
113maps and atlases
83volcanoes
47real-time monitoring and reporting
43USGS map servers
43mineral resources
40fires
40energy resources
36climate change
31ground water
30water quality
30contamination and pollution
28floods
28geospatial analysis
24avian influenza
23remote sensing
21droughts
19surface water (non-marine)
18invasive species
14oil resources
13seismology
12earth structure
11acid deposition
11environmental health (human)
9ground-water flow
9earthquake probabilities
9tectonic processes
8human impacts
8aerial photography
7precipitation (atmospheric)
7hazards
7river systems
7plants (organisms)
7global warming
6erosion
6land use and land cover
6ground-water level
6surface water quality
6pharmaceutical contamination

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Wednesday, 19-Nov-2008 09:47:48 EST