USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2009-07-02

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

Scripts used

2506science
288combine
164kwic

Browse terms chosen

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

416earthquakes
181earthquake occurrences
114maps and atlases
113volcanoes
68real-time monitoring and reporting
50topographic maps
46mineral resources
43energy resources
41ground water
39floods
35water quality
35contamination and pollution
33surface water (non-marine)
33map interfaces
31climate change
30geospatial analysis
29droughts
27remote sensing
20geologic maps
19invasive species
18seismology
17environmental health (human)
17oil resources
17avian influenza
16fires
13USGS map servers
11ground-water flow
11rocks and deposits
10earth characteristics
9health and disease
9mathematical modeling
8Alaska
8streamflow
8earth structure
8earthquake probabilities
8sediment transport
8erosion
8river systems
8human impacts
7hurricanes

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 06-Jul-2009 09:09:58 EDT