USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2008-09-27

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

Scripts used

2189science
280combine
68kwic

Browse terms chosen

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

415earthquakes
130earthquake occurrences
92volcanoes
69maps and atlases
51climate change
49real-time monitoring and reporting
40energy resources
40USGS map servers
31water quality
28mineral resources
27remote sensing
27floods
26ground water
24droughts
24invasive species
23contamination and pollution
22geospatial analysis
22seismology
21surface water (non-marine)
20oil resources
15avian influenza
14environmental health (human)
13geochemistry
13fires
12pharmaceutical contamination
12earthquake probabilities
11aquatic ecosystems
11acid deposition
10geologic history
10human impacts
10global warming
9nutrient content (water)
9desert ecosystems
9coal resources
9rocks and deposits
8land surface characteristics
7magnetic field (earth)
7desertification
7precipitation (atmospheric)
7hurricanes

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Tuesday, 30-Sep-2008 09:23:56 EDT