Correcting the smoothing effect of ordinary kriging estimates

The smoothing effect of ordinary kriging is a well-known dangerous effect associated with this estimation technique. Consequently kriging estimates do not reproduce both histogram and semivariogram model of sample data. A four-step procedure for correcting the smoothing effect of ordinary kriging es...

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Bibliographic Details
Published in:Mathematical geology 2005, Vol.37 (1), p.69-94
Main Author: KAZUO YAMAMOTO, Jorge
Format: Article
Language:English
Subjects:
Areal geology. Maps
Earth sciences
Earth, ocean, space
Estimating techniques
Exact sciences and technology
Geologic maps, cartography
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Summary:The smoothing effect of ordinary kriging is a well-known dangerous effect associated with this estimation technique. Consequently kriging estimates do not reproduce both histogram and semivariogram model of sample data. A four-step procedure for correcting the smoothing effect of ordinary kriging estimates is shown to be efficient for the reproduction of histogram and semivariogram without loss of local accuracy. Furthermore, this procedure provides a unique map sharing both local and global accuracies. Ordinary kriging with a proper correction for smoothing effect can be revitalized as a reliable estimation method that allows a better use of the available information.[PUBLICATION ABSTRACT]
ISSN:0882-8121
1874-8961
1573-8868
1874-8953
DOI:10.1007/s11004-005-8748-7