USGS - science for a changing world

Science Topics

Science Topics term usage Monday, 2005-05-02

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

Scripts used

3272science
344combine
231kwic

Browse terms chosen

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

327earthquakes
139volcanoes
119earthquake occurrences
117geographic information systems (GIS)
77tectonic processes
63surface water (non-marine)
51mineral resources
50maps and atlases
50energy resources
46ground water
44tsunamis
38earth structure
35landslides
35oil resources
31hazards
31streamflow
28seismology
27geologic structure
26water quality
25earthquake probabilities
23real-time monitoring and reporting
23rocks and deposits
21metallic ores
21aerial photography
21volcanic activity
20animals
20ocean characteristics
20ground-water flow
19human impacts
19floods
18geologic history
18climate change
17water resources
17sea-floor characteristics
16storms
16magnetic field (earth)
16river systems
15wetland ecosystems
15biogeography
15fires

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:45 EDT