USGS - science for a changing world

Science Topics

Science Topics term usage Sunday, 2009-02-15

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

Scripts used

2071science
257combine
118kwic

Browse terms chosen

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

427earthquakes
309volcanoes
188earthquake occurrences
99maps and atlases
46mineral resources
42real-time monitoring and reporting
38climate change
38topographic maps
36energy resources
35USGS map servers
27ground water
21avian influenza
19contamination and pollution
19floods
18geospatial analysis
18water quality
16droughts
15remote sensing
14surface water (non-marine)
14oil resources
13geologic maps
12earthquake probabilities
12environmental health (human)
10seismology
9animals
9invasive species
8earth structure
8desert ecosystems
8human impacts
8acid deposition
7magnetic field (earth)
7volcanic activity
7fires
7geologic processes
6Arizona
6ecosystems
5metallic ores
5nonmetallic mineral resources
5precipitation (atmospheric)
5surface water quality

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Thursday, 19-Feb-2009 13:16:42 EST