USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2008-04-18

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

Scripts used

27575science
6221combine
284kwic

Browse terms chosen

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

12840earthquakes
7480earthquake occurrences
730real-time monitoring and reporting
665seismology
524earthquake probabilities
335volcanoes
332maps and atlases
122USGS map servers
121floods
120avian influenza
120climate change
103energy resources
94droughts
92invasive species
91water quality
88mineral resources
83ground water
81geospatial analysis
81remote sensing
78surface water (non-marine)
77tectonic processes
58contamination and pollution
55fires
50hazards
48topics
46environmental health (human)
39volcanic activity
34seismic networking
34seismic methods
31oil resources
26geologic processes
24Illinois
22river systems
21acid deposition
21cartography
20hydrology
19ground-water quality
19human impacts
19streamflow
18fault zones

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:33:57 EDT