Making sound inferences from geomagnetic sounding

@inproceedings{Medin2006MakingSI,
  title={Making sound inferences from geomagnetic sounding},
  author={Ashley E. Medin and R. L. Parker and Steven C. Constable},
  year={2006}
}
We examine the nonlinear inverse problem of electromagnetic induction to recover electrical conductivity. As this is an ill-posed roblem based on inaccurate data, there is a critical need to find the reliable features of the models of electrical conductivity. We resent a method for obtaining bounds on Earth’s average conductivity that all conductivity profiles must obey. Our method is based ompletely on optimization theory for an all-at-once approach to inverting frequency-domain… CONTINUE READING

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