@Article{MozerGinBogKelSch:1974:HiLaEl,
               author = "Mozer, F. S. and Ginzalez-Alarcan, Walter Demetrio and Bogott, F. 
                         and Kelley, M. C. and Schutz, S.",
          affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)}",
                title = "High latitude electric-field and 3-dimensional interaction between 
                         interplanetary and terrestrial magnetic-fields",
              journal = "Journal of Geophysical Research",
                 year = "1974",
               volume = "79",
               number = "1",
                pages = "56--63",
             keywords = "GEOF{\'{\I}}SICA ESPACIAL.",
             abstract = "More than 200 hours of ionospheric electric field measurements 
                         taken on balloons flown from three polar cap sites have been 
                         analyzed to determine average properties of the largescale polar 
                         cap electric field and its dependencies on the interplanetary 
                         magnetic field. The major component of this electric field was 
                         directed from dawn to dusk and produced an average polar cap 
                         potential drop of about 55 kV. The magnitude of this potential 
                         provides an upper limit of about 700 RE for the length of the 
                         magnetospheric tail and implies an energy input from the solar 
                         wind to the magnetosphere of about 5 X 1019 ergs/see, The dawn to 
                         dusk component of the high4atitude polar cap electric field 
                         responds to BZ, the northward component of the interplanetary 
                         magnetic field, on a time scale <1 hour and with an average 
                         increase of about 3 mV/m for each 1 ? decrease of BZ. The hourly 
                         averages of the electric field data at each of the three sites are 
                         well described by a two-cell convection pattern whose location 
                         depends on the y component of the interplanetary magnetic field. 
                         When BY is positive (negative), the two-cell convection pattern 
                         shifts toward dawn (dusk)in the northern hemisphere with the 
                         following consequences: the maximum intensity of the northern 
                         polar cap: dawn to dusk electric field component occurs at local 
                         morning (evening), and the auroral zone return flow reaches higher 
                         latitudes in the evening (morning). Evidence of the vector nature 
                         of the interaction between interplanetary and terrestrial magnetic 
                         fields is provided by the observation that the above BY dependent 
                         signatures are most evident when BZ is most negative.",
                 issn = "0148-0227 and 2156-2202",
                label = "3146",
           targetfile = "8865.pdf",
        urlaccessdate = "29 jun. 2024"
}