USGS - science for a changing world

Science Topics

Science Topics term usage Monday, 2008-11-24

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

Scripts used

3219science
520combine
156kwic

Browse terms chosen

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

702earthquakes
286earthquake occurrences
193volcanoes
119maps and atlases
89real-time monitoring and reporting
67USGS map servers
62climate change
60water quality
53floods
51energy resources
48mineral resources
40contamination and pollution
36ground water
35geospatial analysis
30surface water (non-marine)
28droughts
28remote sensing
26avian influenza
23environmental health (human)
22seismology
20fires
20human impacts
20earthquake probabilities
18ocean characteristics
18invasive species
17streamflow
17nutrient content (water)
15hydrology
15animals
15earth structure
14oil resources
14topics
14tsunamis
14land use and land cover
14global warming
13natural gas resources
13desert ecosystems
12ground-water quality
12sediment transport
12acid deposition

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 01-Dec-2008 10:51:19 EST