USGS - science for a changing world

Science Topics

Science Topics term usage Wednesday, 2008-07-23

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

Scripts used

3342science
506combine
127kwic

Browse terms chosen

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

497earthquakes
224earthquake occurrences
178maps and atlases
129volcanoes
106real-time monitoring and reporting
84energy resources
72floods
71USGS map servers
66mineral resources
60ground water
58water quality
49surface water (non-marine)
47droughts
47climate change
42invasive species
39remote sensing
39contamination and pollution
34geospatial analysis
34avian influenza
24fires
23environmental health (human)
22oil resources
21earthquake probabilities
16natural gas resources
12seismology
12hydrology
10ground-water flow
10tectonic processes
10USGS budget
10river systems
10geologic history
9USGS mapping centers
9surface water quality
9rocks and deposits
9surface-water level
9cartography
8gravitational field (earth)
8hurricanes
8USGS maps on demand
8ground-water quality

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 28-Jul-2008 09:24:40 EDT