USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2008-09-20

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

Scripts used

1922science
228combine
113kwic

Browse terms chosen

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

295earthquakes
104earthquake occurrences
76maps and atlases
63volcanoes
42energy resources
40contamination and pollution
40real-time monitoring and reporting
36climate change
35floods
33USGS map servers
33mineral resources
32remote sensing
31water quality
26geospatial analysis
23ground water
21droughts
20avian influenza
20surface water (non-marine)
19oil resources
17invasive species
15fires
13environmental health (human)
12rocks and deposits
10ocean characteristics
9erosion
9acid deposition
9hazards
8geologic processes
8tectonic processes
8geographic information systems (GIS)
8coal resources
7seismology
7population and community ecology
7topics
7volcanic activity
7tsunamis
7atmospheric sciences
7USGS budget
6geologic history
6endangered species

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 23-Sep-2008 11:48:06 EDT