USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2008-05-24

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

Scripts used

2504science
391combine
72kwic

Browse terms chosen

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

674earthquakes
283earthquake occurrences
117volcanoes
90maps and atlases
84real-time monitoring and reporting
47avian influenza
41climate change
39floods
39surface water (non-marine)
38energy resources
37remote sensing
36USGS map servers
34geospatial analysis
34mineral resources
33contamination and pollution
30droughts
30ground water
29water quality
26environmental health (human)
25earthquake probabilities
24invasive species
23fires
19seismology
17oil resources
14streamflow
9USGS budget
8hazards
8tectonic processes
8desert ecosystems
7ground-water flow
7human impacts
7ocean characteristics
6natural gas resources
6earth structure
6volcanic features
6volcanic activity
5hydrology
5water chemistry
5acid deposition
5erosion

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 27-May-2008 09:46:21 EDT