USGS - science for a changing world

Science Topics

Science Topics term usage Thursday, 2008-05-29

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

Scripts used

4776science
711combine
210kwic

Browse terms chosen

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

1271earthquakes
572earthquake occurrences
177volcanoes
161maps and atlases
125real-time monitoring and reporting
79climate change
75USGS map servers
68energy resources
61ground water
61geospatial analysis
58avian influenza
57droughts
57floods
56earthquake probabilities
54mineral resources
51surface water (non-marine)
50remote sensing
49water quality
39contamination and pollution
39invasive species
26environmental health (human)
25fires
25oil resources
20erosion
19human impacts
19seismology
18river systems
16acid deposition
15tectonic processes
13natural gas resources
13USGS Quadrangles
12geospatial datasets
12volcanic activity
12endangered species
12hazards
11plants (organisms)
11global warming
11water chemistry
11earth structure
10hydrology

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Monday, 02-Jun-2008 12:10:31 EDT