USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2009-06-19

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

Scripts used

3283science
448combine
129kwic

Browse terms chosen

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

562earthquakes
267earthquake occurrences
140maps and atlases
112volcanoes
102real-time monitoring and reporting
63USGS map servers
57surface water (non-marine)
57topographic maps
51energy resources
51ground water
47remote sensing
45floods
41water quality
41mineral resources
41contamination and pollution
38climate change
34geospatial analysis
31droughts
28invasive species
21geologic maps
21avian influenza
20seismology
18river systems
15environmental health (human)
15land use and land cover
14earthquake probabilities
13fires
12oil resources
12hydrology
12water chemistry
11hazards
10hydrodynamics
10nonmetallic mineral resources
10hydrogeology
9seismic methods
9global warming
8ground-water quality
8geochemistry
8desert ecosystems
8tectonic processes

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 23-Jun-2009 09:31:59 EDT