The Earth's Electrical Environment (1986) / Chapter Skim
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Pages 227-228
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From page 227... ...
SOME OUTSTANDING PROBLEMS Component processes within the global circuit have been studied for nearly a century. The ground electric field is the most common measurement, although numerous measurements of the electrical conductivity and air-earth current have also been made.
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From page 228... ...
According to the classical picture of atmospheric electricity, the middle atmosphere should be passive, yet certain rocket measurements indicate the existence of large electric fields of unknown origin (Bragin et al., 1974; Tyutin, 1976; Hale and Croskey, 1979; Hale et al., 1981; Maynard et al., 1981; Gonzalez et al., 1982~. These large electric fields are not understood, and it has been suggested that instrumental effects may be involved (Kelley, 1983; Kelley et al., 1983~.
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