USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2011-11-24

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

Scripts used

1786science
259combine
15kwic

Browse terms chosen

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

546earthquakes
236earthquake occurrences
61volcanoes
55mineral resources
39maps and atlases
33real-time monitoring and reporting
30geospatial analysis
28climate change
28groundwater
26energy resources
26remote sensing
21avian influenza
21water quality
20surface water (non-marine)
20droughts
19environmental health (human)
18invasive species
18floods
13map interfaces
13contamination and pollution
12earthquake probabilities
12microbiology
10fires
9volcanic activity
9geologic maps
9metallic ores
8land use and land cover
8seismology
7water chemistry
7topographic maps
7tectonic processes
6acid deposition
6earth structure
5river systems
5tides (oceanic)
5natural gas resources
5oil resources
5magnetic field (earth)
5topics
5ocean characteristics

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 28-Nov-2011 10:27:33 EST