USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2009-12-10

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

Scripts used

6026science
879combine
220kwic

Browse terms chosen

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

1078earthquakes
493volcanoes
413earthquake occurrences
151maps and atlases
133climate change
129ground water
121real-time monitoring and reporting
111water quality
101energy resources
100mineral resources
90remote sensing
81map interfaces
75contamination and pollution
70surface water (non-marine)
69invasive species
65topographic maps
64geospatial analysis
63floods
46earthquake probabilities
45avian influenza
42geologic maps
41oil resources
40global warming
38land use and land cover
37human impacts
37droughts
30fires
29streamflow
28environmental health (human)
26acid deposition
26marine geology
26ocean characteristics
25ground-water quality
24earth structure
24surface water quality
23seismology
21natural gas resources
21soil resources
20landslides
20river systems

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 14-Dec-2009 10:11:24 EST