USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2008-10-26

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

Scripts used

2943science
593combine
70kwic

Browse terms chosen

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

1009earthquakes
488earthquake occurrences
97volcanoes
88maps and atlases
55real-time monitoring and reporting
54energy resources
34ground water
33climate change
31USGS map servers
30contamination and pollution
29water quality
29mineral resources
26surface water (non-marine)
25geospatial analysis
24floods
20droughts
18invasive species
18earthquake probabilities
18remote sensing
14avian influenza
14seismology
14tectonic processes
13oil resources
12geochemistry
12acid deposition
12fires
11California
11environmental health (human)
11global warming
10earth structure
10human impacts
8natural gas resources
8desert ecosystems
8biogeography
8aerial photography
7water chemistry
7erosion
7volcanic activity
7health and disease
6animals

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Thursday, 30-Oct-2008 09:23:42 EDT