USGS - science for a changing world

Science Topics

Science Topics term usage Tuesday, 2009-10-27

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

Scripts used

6611science
846combine
196kwic

Browse terms chosen

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

974earthquakes
438earthquake occurrences
368volcanoes
252maps and atlases
188real-time monitoring and reporting
135mineral resources
132climate change
122floods
115map interfaces
114topographic maps
108energy resources
108ground water
103surface water (non-marine)
97water quality
90invasive species
88geospatial analysis
87remote sensing
79contamination and pollution
69avian influenza
67droughts
57fires
53environmental health (human)
51land use and land cover
46geologic maps
40earthquake probabilities
35seismology
34human impacts
34earth structure
34acid deposition
33oil resources
32biodiversity
31global warming
29stream discharge
29life sciences
28topics
27aquatic ecosystems
27river systems
26geologic history
26desert ecosystems
25ocean characteristics

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Thursday, 29-Oct-2009 10:15:42 EDT