USGS - science for a changing world

Science Topics

Science Topics term usage Friday, 2009-08-07

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

Scripts used

7558science
1035combine
329kwic

Browse terms chosen

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

971earthquakes
501earthquake occurrences
248maps and atlases
211volcanoes
188real-time monitoring and reporting
146climate change
139ground water
138map interfaces
118energy resources
117floods
112topographic maps
112water quality
104surface water (non-marine)
101mineral resources
92contamination and pollution
89remote sensing
88droughts
87invasive species
75geospatial analysis
70avian influenza
62environmental health (human)
57seismology
52geologic maps
48earthquake probabilities
45fires
39oil resources
36life sciences
33global warming
31water supply and demand
30aquatic ecosystems
29California
29ground-water flow
28erosion
25river systems
24natural resource management
24hydrology
24earth structure
23health and disease
22sediment transport
21plants (organisms)

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Thursday, 10-Sep-2009 11:49:39 EDT