@InProceedings{CamposSaba:2012:ElFiWa,
               author = "Campos, Leandro Zanella de Souza and Saba, Marcelo Magalh{\~a}es 
                         Fares",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto 
                         Nacional de Pesquisas Espaciais (INPE)}",
                title = "Electric field waveforms of M components in negative and positive 
                         ground flashes",
            booktitle = "Proceedings...",
                 year = "2012",
         organization = "International Conference on Lightning Protection, 31. (ICLP).",
             keywords = "M-component, lightning.",
             abstract = "There has been some discussion concerning the nature of luminosity 
                         pulses observed during the continuing currents of positive 
                         c1oud-to-ground flashes. It still undefined whether or not these 
                         pulses can be considered M components when compared to similar 
                         events observed in negative flashes. In the present paper we 
                         expand this discussion by analyzing electric field waveforms 
                         associated with channel luminosity enhancements of both negative 
                         and positive ground flashes. Typically, negative M components are 
                         preceded by high-frequency pulses similar to those that can are 
                         associated to recoil leaders that are visible below cloud base. On 
                         the other hand, luminous processes in positive flashes (similar to 
                         M components) did not present a particularly common electric field 
                         signature, and no pulses could be positively correlated to their 
                         inception inside the cloud. We believe that this polarity 
                         asymmetry favors previous theories on the production of negative M 
                         components according to the bidirectional leader model. The 
                         distinctive features of the positive M components suggest that 
                         they are related to different processes.",
  conference-location = "Viena",
      conference-year = "2012",
                label = "lattes: 0505123426174183 2 CamposSaba:2012:ElFiWa",
             language = "en",
           targetfile = "campos_electric.pdf",
        urlaccessdate = "30 abr. 2024"
}