USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2009-04-11

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

Scripts used

1830science
290combine
49kwic

Browse terms chosen

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

374earthquakes
154earthquake occurrences
140volcanoes
72maps and atlases
68real-time monitoring and reporting
47climate change
40USGS map servers
35mineral resources
33floods
29water quality
28contamination and pollution
27topographic maps
26energy resources
25remote sensing
22fires
22droughts
20ground water
19avian influenza
16environmental health (human)
15geospatial analysis
14invasive species
14surface water (non-marine)
13earthquake probabilities
8biodiversity
8rocks and deposits
7global warming
7oil resources
7acid deposition
7tsunamis
6topics
6seismology
6volcanic activity
6geologic maps
6health and disease
5aerial photography
5surface water quality
5river systems
5surface-water level
5aeromagnetic surveying
5human impacts

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Wednesday, 15-Apr-2009 09:09:24 EDT