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First versus subsequent return-stroke current and field peaks in negative cloud-to-ground lightning discharges

We examine relative magnitudes of electric field peaks of first and subsequent return strokes in negative cloud-to-ground lightning flashes recorded in Florida, Austria, Brazil, and Sweden. On average, the electric field peak of the first stroke is appreciably, 1.7 to 2.4 times, larger than the fiel...
  • por Portal Padrão
  • publicado
  • 23/08/2008
  • 3:41 PM