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topographic correction

A Dictionary of Earth Sciences | 1999 | 429 words | Copyright

topographic correction (terrain correction) A correction applied to observed geophysical values to remove the effects of topography. In gravity studies, it is the correction applied to each individual determination of gravity to allow for the attraction of rocks occurring as hills above the height of the recording station and as valleys below this level. For seismic corrections see ELEVATION CORRECTION; and STATIC CORRECTION.

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AILSA ALLABY and MICHAEL ALLABY. "topographic correction." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 27 May. 2012 <http://www.encyclopedia.com>.

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AILSA ALLABY and MICHAEL ALLABY. "topographic correction." A Dictionary of Earth Sciences. 1999. Retrieved May 27, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-topographiccorrection.html

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