USGS - science for a changing world

Science Topics

Science Topics term usage Monday, 2008-05-12

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

Scripts used

13654science
2498combine
303kwic

Browse terms chosen

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

5475earthquakes
2952earthquake occurrences
541volcanoes
299maps and atlases
285real-time monitoring and reporting
173earthquake probabilities
153avian influenza
128climate change
125seismology
114floods
100droughts
99ground water
92USGS map servers
90mineral resources
88energy resources
85surface water (non-marine)
84water quality
81remote sensing
75invasive species
70geospatial analysis
68contamination and pollution
52environmental health (human)
50fires
49tectonic processes
46volcanic activity
35topics
29oil resources
22hazards
22acid deposition
21geologic processes
21human impacts
21river systems
19ground-water flow
19desert ecosystems
19streamflow
19earth structure
17geologic history
17California
16endangered species
16erosion

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 16-May-2008 16:18:04 EDT