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kriging groundwater levels


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Hi,

I'm trying to optimise a groundwater level monitoring network using Kriging. I'm new to geostats so have some really simple questions. My first question are:

1) when determining the semivariogram model parameters to use for kriging groundwater levels does the data have to be normally distributed?

2) If there is spatial trends do I have to detrend or transform the data?

Thanks for your help

Simon

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Hi Simon,

1. Data do not need to follow a normal or Gaussian distribution for variogram analysis.

2. Data do not need to be de-trended or transformed to remove spatial trends, though some analysis methods remove region trends to look for residual structures.

Thanks,

Tom B

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