USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2008-05-30

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

Scripts used

3422science
601combine
164kwic

Browse terms chosen

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

884earthquakes
402earthquake occurrences
161volcanoes
125maps and atlases
102real-time monitoring and reporting
68USGS map servers
62climate change
61mineral resources
59surface water (non-marine)
57energy resources
53ground water
50floods
42remote sensing
42earthquake probabilities
41water quality
40contamination and pollution
38geospatial analysis
37droughts
34invasive species
31avian influenza
27environmental health (human)
26oil resources
24fires
18river systems
14earth structure
14datasets
14seismology
12human impacts
11topics
11streamflow
11geography
9animals
9hazards
9geographic information systems (GIS)
9California
9USGS maps on demand
9coal resources
8stream discharge
8acid deposition
8desert ecosystems

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 02-Jun-2008 12:10:41 EDT