USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2009-01-29

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

Scripts used

4119science
577combine
121kwic

Browse terms chosen

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

784earthquakes
671volcanoes
324earthquake occurrences
132maps and atlases
83real-time monitoring and reporting
78climate change
69USGS map servers
66ground water
63water quality
61energy resources
56floods
52avian influenza
48droughts
48topographic maps
46contamination and pollution
44surface water (non-marine)
39remote sensing
39geospatial analysis
39mineral resources
30seismology
29fires
28environmental health (human)
26invasive species
26geologic maps
25earthquake probabilities
24health and disease
21global warming
19acid deposition
17animals
16volcanic activity
15river systems
14endangered species
13tsunamis
13ground-water quality
13butterflies and moths
13global change
12topics
12social sciences
11magnetic field (earth)
11oil resources

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 02-Feb-2009 10:23:39 EST