USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2005-12-24

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

Scripts used

706science
171combine
93kwic

Browse terms chosen

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

39earthquakes
29geographic information systems (GIS)
21volcanoes
15earthquake occurrences
14earth structure
14surface water (non-marine)
12health and disease
12real-time monitoring and reporting
9remote sensing
9tsunamis
9aerial photography
9acid deposition
8stream-gage measurement
8rocks and deposits
7geologic structure
7mineral resources
7maps and atlases
7cartography
6energy resources
6geography
6water resources
6water quality
6global change
5erosion
5topography
5contamination and pollution
5geologic history
5hydrology
5inner core (earth)
5gold ores
5geochemistry
4biogeography
4hazards
4mathematical modeling
4tectonic processes
4natural resource extraction
4geophysics
4video monitoring
4animals
4ocean characteristics

KWIC index letters chosen

bar graph showing usage of each letter

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Page Last Modified: Friday, 25-Apr-2008 17:34:49 EDT