External Drift

  • Hans Wackernagel


We start the study of non-stationary methods with a multivariate method that is applicable to auxiliary variables that are densily sampled over the whole domain and linearly related to the principal variable. Such auxiliary variables can be incorporated into a kriging system as external drift functions.


Covariance Function Auxiliary Variable Ordinary Kriging Variogram Model Experimental Variogram 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1998

Authors and Affiliations

  • Hans Wackernagel
    • 1
  1. 1.Centre de GéostatistiqueEcole des Mines de ParisFontainebleauFrance

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