USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2008-08-01

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

Scripts used

2946science
603combine
85kwic

Browse terms chosen

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

824earthquakes
386earthquake occurrences
156maps and atlases
119volcanoes
89real-time monitoring and reporting
66USGS map servers
58energy resources
48mineral resources
45geospatial analysis
43climate change
35water quality
35ground water
33earthquake probabilities
32avian influenza
31droughts
30remote sensing
29floods
29surface water (non-marine)
23seismology
22invasive species
21contamination and pollution
20oil resources
20fires
18environmental health (human)
14river systems
13California
12rocks and deposits
10surface water quality
9economic geology
9global warming
9reports
9catalogs and indexes
8nutrient content (water)
8marine geology
7tectonic processes
7natural gas resources
7USGS budget
7earth structure
6geologic history
6metallic ores

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 05-Aug-2008 10:24:37 EDT