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@ARTICLE{Trinh:453872,
      author       = {Trinh, T. N. G. and Scholten, O. and Buitink, S. and Ebert,
                      U. and Hare, B. M. and Krehbiel, P. R. and Leijnse, H. and
                      Bonardi, A. and Corstanje, A. and Falcke, H. and Huege, T.
                      and Hörandel, J. R. and Krampah, G. K. and Mitra, P. and
                      Mulrey, K. and Nelles, A. and Pandya, H. and Rachen, J. P.
                      and Rossetto, L. and Rutjes, C. and Veen, S. ter and
                      Winchen, T.},
      title        = {{D}etermining {E}lectric {F}ields in {T}hunderclouds {W}ith
                      the {R}adiotelescope {LOFAR}},
      journal      = {Journal of geophysical research / D},
      volume       = {125},
      number       = {8},
      issn         = {2169-8996},
      address      = {Hoboken, NJ},
      publisher    = {Wiley},
      reportid     = {PUBDB-2021-00236},
      pages        = {20},
      year         = {2020},
      abstract     = {An analysis is presented of electric fields in
                      thunderclouds using a recently proposed method based on
                      measuring radio emission from extensive air shower events
                      during thunderstorm conditions. This method can be regarded
                      as a tomography of thunderclouds using cosmic rays as
                      probes. The data cover the period from December 2011 till
                      August 2014. We have developed an improved fitting procedure
                      to be able to analyze the data. Our measurements show
                      evidence for the main negative‐charge layer near the
                      −10° isotherm. This we have seen for a winter as well as
                      for a summer cloud where multiple events pass through the
                      same cloud and also the vertical component of the electric
                      field could be reconstructed. On the day of measurement of
                      some cosmic‐ray events showing evidence for strong fields,
                      no lightning activity was detected within 100 km distance.
                      For the winter events, the top heights were between 5 and 6
                      km, while in the summer, typical top heights of 9 km were
                      seen. Large horizontal components in excess of 70 kV/m of
                      the electric fields are observed in the middle and top
                      layers.},
      cin          = {HUB / Z-RAD},
      ddc          = {550},
      cid          = {I:(DE-H253)HUB-20140108 / I:(DE-H253)Z-RAD-20210408},
      pnm          = {613 - Matter and Radiation from the Universe (POF3-613)},
      pid          = {G:(DE-HGF)POF3-613},
      experiment   = {EXP:(DE-MLZ)External-20140101},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:32714723},
      UT           = {WOS:000530005500013},
      doi          = {10.1029/2019JD031433},
      url          = {https://bib-pubdb1.desy.de/record/453872},
}