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@ARTICLE{Inzoli:820820,
      author       = {Inzoli, S. and Giudici, M. and Huisman, Johan Alexander},
      title        = {{E}stimation of sediment texture from spectral induced
                      polarisation data using cluster and principal component
                      analysis},
      journal      = {Near surface geophysics},
      volume       = {14},
      number       = {5},
      issn         = {1569-4445},
      address      = {Houten},
      publisher    = {EAGE},
      reportid     = {FZJ-2016-06087},
      pages        = {433-447},
      year         = {2016},
      abstract     = {Spectral induced polarisation data are usually interpreted
                      with simple models in order to derive petrophysical
                      relationships between electrical and sedimentological
                      properties, such as texture, clay content, and permeability.
                      The aim of this work is to explore the value of spectral
                      induced polarisation in addition to conventional
                      direct-current resistivity measurements for determining
                      textural properties of saturated samples collected from
                      alluvial deposits. For this, an advanced data processing
                      approach that combines cluster and principal component
                      analysis was developed and applied to integral parameters
                      derived from Debye decomposition of spectral induced
                      polarisation data. This data processing procedure allowed
                      identifying groups of samples with a similar spectral
                      induced polarisation response and to derive a characteristic
                      grain-size distribution for each group of samples.The method
                      to estimate the grain-size distribution from spectral
                      induced polarisation data was successfully validated using
                      independent sediment samples. The remaining uncertainty in
                      the estimation of sediment texture from spectral induced
                      polarisation data was attributed to the effect of pore size
                      distribution and mineralogy, which were not considered in
                      the present work but can be added in the future within the
                      same conceptual workflow.},
      cin          = {IBG-3},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000386318500006},
      doi          = {10.3997/1873-0604.2016033},
      url          = {https://juser.fz-juelich.de/record/820820},
}