USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2009-07-18

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

Scripts used

1571science
189combine
53kwic

Browse terms chosen

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

269earthquakes
121earthquake occurrences
78volcanoes
71maps and atlases
57real-time monitoring and reporting
26mineral resources
26energy resources
25topographic maps
24map interfaces
24ground water
23climate change
22droughts
21remote sensing
21surface water (non-marine)
19floods
18contamination and pollution
18geospatial analysis
17invasive species
17water quality
17avian influenza
13fires
12oil resources
12geologic maps
11earthquake probabilities
10environmental health (human)
9river systems
8human impacts
8acid deposition
7ecosystem monitoring
7seismology
6ecosystems
5tectonic processes
5land use and land cover
5stream-gage measurement
5spatial analysis
5geography
5mine sites
5hydrogeology
5ocean characteristics
4tsunamis

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 27-Jul-2009 11:34:11 EDT