کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4450178 | 1620548 | 2012 | 9 صفحه PDF | دانلود رایگان |
Parameters of current waveforms of several negative flashes measured recently at Morro do Cachimbo Station were considered in relation to the values provided by a statistical evaluation developed previously for the data of a 13-year period of data acquisition. The impact of these recent measured parameters in the median values of peak-current, front-times and time-to-half-peak-current was evaluated.
► Parameters of lightning currents of negative flashes measured recently at Morro do Cachimbo Station are presented.
► The recent statistics is compared with that of a former study for a 13-year period.
► The median first-stroke peak current preserves the value of the former study, around 45 kA.
► The median subsequent-stroke peak current is increased from 16.3 kA to around 17.6 kA.
► The front-times are decreased for both first- and subsequent-strokes.
Journal: Atmospheric Research - Volume 117, 1 November 2012, Pages 55–63