USGS - science for a changing world

Science Topics

Science Topics term usage Tuesday, 2008-04-22

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

Scripts used

6602science
1346combine
214kwic

Browse terms chosen

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

2116earthquakes
1145earthquake occurrences
263volcanoes
176maps and atlases
150real-time monitoring and reporting
106climate change
98earthquake probabilities
97energy resources
95USGS map servers
75floods
74ground water
72water quality
68mineral resources
65droughts
63surface water (non-marine)
57geospatial analysis
56avian influenza
48seismology
48contamination and pollution
44invasive species
42remote sensing
40fires
38environmental health (human)
37oil resources
27human impacts
20land use and land cover
19volcanic activity
16hazards
16natural gas resources
16river systems
15streamflow
15ground-water quality
15erosion
14desert ecosystems
14water supply and demand
14global warming
14topics
14surface water quality
14acid deposition
13tectonic processes

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:33:57 EDT