USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2009-07-17

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

Scripts used

2533science
325combine
102kwic

Browse terms chosen

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

480earthquakes
251earthquake occurrences
112maps and atlases
97volcanoes
78real-time monitoring and reporting
72climate change
51ground water
50topographic maps
49energy resources
48map interfaces
43water quality
41mineral resources
37surface water (non-marine)
35remote sensing
32contamination and pollution
29invasive species
28geospatial analysis
28droughts
27floods
23avian influenza
21environmental health (human)
20earthquake probabilities
18fires
14geologic maps
11seismology
10river systems
10geomorphology
9USGS budget
9surface water quality
9oil resources
8coal resources
8ecosystems
8geographic information systems (GIS)
8land use and land cover
8ground-water quality
8aquatic ecosystems
7magnetic field (earth)
7streamflow
7freshwater ecosystems
7tectonic processes

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 27-Jul-2009 11:34:02 EDT