USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2010-02-12

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

Scripts used

6684science
973combine
325kwic

Browse terms chosen

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

1412earthquakes
532earthquake occurrences
377volcanoes
199maps and atlases
149real-time monitoring and reporting
138energy resources
120mineral resources
92climate change
83ground water
79remote sensing
75topographic maps
64map interfaces
63earthquake probabilities
61geospatial analysis
60floods
57droughts
55water quality
54surface water (non-marine)
53oil resources
53contamination and pollution
52invasive species
47geologic maps
46seismology
39avian influenza
36natural gas resources
30volcanic activity
30tectonic processes
28environmental health (human)
26earth structure
25fires
24aquatic biology
24hazards
22human impacts
21snow and ice cover
20global warming
19metallic ores
18soil resources
18land use and land cover
18water chemistry
17nonmetallic mineral resources

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 15-Feb-2010 13:07:44 EST