USGS - science for a changing world

Science Topics

Science Topics term usage Saturday, 2006-08-26

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

Scripts used

731science
83kwic
33combine

Browse terms chosen

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

51fracture (geologic)
44earthquakes
35geographic information systems (GIS)
22volcanoes
19hazards
14earthquake occurrences
13energy resources
13tectonic processes
10geography
8earth structure
8geologic history
7scientific careers
7biochemistry
6stratigraphic sections
6streamflow
6floods
5animals
5radiometric dating
5water properties
5human impacts
5structural geology
5core (earth)
5drainage basins
5geochronology
5natural resource extraction
5population and community ecology
5snow and ice cover
4seismology
4volcanic activity
4coastal zones
4suspended material (water)
4map coordinate systems
4contamination and pollution
4earthquake probabilities
4health and disease
4marine geophysics
4water quality
4planetary bodies
4precipitation (atmospheric)
4river systems

KWIC index letters chosen

bar graph showing usage of each letter

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