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@INPROCEEDINGS{Adrian:852673,
      author       = {Adrian, Juliane and Tezkan, Bülent},
      title        = {{A}pplication of the {N}ewly {D}eveloped 2{D} {DCR}/{TDIP}
                      {I}nversion {A}lgorithm: {I}nversion {S}tudiesand {A}nalysis
                      of {F}ield {D}ata {A}cquired on a {C}opper {O}re {D}eposit},
      reportid     = {FZJ-2018-05546},
      year         = {2017},
      abstract     = {We present inversion studies obtained with a newly
                      developed 2D inversion algorithm for DirectCurrent
                      Resistivity (DCR) and Time-domain induced polarization
                      (TDIP) data. The algorithm usesthe finite element approach
                      on unstructured meshs which simplifies the incorporation
                      oftopography. The model parameters resistivity and
                      chargeability are connected by a perturbationapproach and
                      the inversion is conducted in two steps.By inversion studies
                      with synthetic data, it is shown that chargeability
                      structures can be reproducedby the algorithm in presence or
                      absence of a corresponding resistivity anomaly. A further
                      studycompares the effects of different smoothness constraint
                      matrices that approximate first orderderivatives of
                      parameter transitions of neighboring mesh elements. It is
                      shown that it is preferable touse a constraint that
                      considers the shape and size of the elements of unstructured
                      meshs overconstraints that weight all element boundaries
                      equally. Furthermore, a method is presented thatapproximates
                      a depth of investigation by deriving a threshold of
                      sensitivity coverage from the ruleof thumb.As a case study,
                      inversion results of field data acquired on a copper ore
                      deposit located in Turkeyare presented. The ore deposit is
                      elongated beneath a valley structure and has sulfide
                      content. Dueto its disseminated form, resistivity anomalies
                      induced by this deposit are hard to detect.
                      However,chargeability inversion results show anomalies below
                      10 m depth with values of >100 mV/V. Thisclearly indicates
                      the presence of ore with sulfide content.},
      organization  = {Annual Meeting of the German
                       Geophysical Society, Potsdam (Germany)},
      subtyp        = {After Call},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/852673},
}