USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2008-08-07

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

Scripts used

2620science
499combine
87kwic

Browse terms chosen

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

605earthquakes
286earthquake occurrences
148maps and atlases
109volcanoes
84USGS map servers
73real-time monitoring and reporting
47energy resources
46mineral resources
44water quality
39climate change
36surface water (non-marine)
36floods
34fires
30ground water
29contamination and pollution
29droughts
28geospatial analysis
27avian influenza
25remote sensing
25invasive species
22oil resources
15environmental health (human)
14natural gas resources
13volcanic activity
11seismology
11earthquake probabilities
11USGS budget
11USGS maps on demand
10USGS Quadrangles
10ground-water flow
9ground-water quality
8forest ecosystems
8California
7tectonic processes
7ground-water level
7bathymetry measurement
6ecotoxicology
6surface water quality
5natural resource management
5topography

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 26-Aug-2008 00:15:47 EDT