USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2009-10-09

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

Scripts used

7223science
1013combine
239kwic

Browse terms chosen

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

1278earthquakes
551earthquake occurrences
433volcanoes
282maps and atlases
218real-time monitoring and reporting
163floods
120mineral resources
100surface water (non-marine)
99map interfaces
95ground water
94earthquake probabilities
93climate change
93water quality
93energy resources
86geospatial analysis
71droughts
70remote sensing
70topographic maps
64contamination and pollution
64avian influenza
55invasive species
47geologic maps
43fires
40life sciences
39seismology
39natural resources
38acid deposition
36human impacts
35volcanic activity
34geologic processes
32environmental health (human)
31hydrology
26geologic history
25ground-water quality
24aquatic ecosystems
23streamflow
23animals
22rocks and deposits
21tsunamis
21field methods

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 20-Oct-2009 17:27:10 EDT