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Properties of unipolar magnetic ?eld pulse trains generated by lightning discharges

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378289%3A_____%2F13%3A00398274" target="_blank" >RIV/68378289:_____/13:00398274 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1002/grl.50366" target="_blank" >http://dx.doi.org/10.1002/grl.50366</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/grl.50366" target="_blank" >10.1002/grl.50366</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Properties of unipolar magnetic ?eld pulse trains generated by lightning discharges

  • Original language description

    We analyze and describe trains of regular unipolar microsecond-scale magnetic field pulses produced by intracloud lightning discharges. Waveforms of the magnetic field are measured using a newly developed broadband analyzer with a sampling interval of 12.5?ns. The observed trains contained several tens of pulses, and the time interval between neighboring pulses typically varied between 1 and 10 ?s. The amplitude of the pulses also varied by 1 order of magnitude. A systematic analysis of these variationsis done for the first time. The interpulse interval is usually increasing (on average by 4.1??s during a train), and the pulse amplitude is decreasing (on average by 15% of the maximum value within a given train). We propose a possible generation mechanism based on a hypothesis that periodical charge structures are present in the thundercloud. This mechanism can explain the observed evolution of peak amplitudes and interpulse intervals.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BL - Plasma physics and discharge through gases

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA205%2F09%2F1253" target="_blank" >GA205/09/1253: Electromagnetic phenomena coupling the troposphere, mesosphere, ionosphere and magnetosphere</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2013

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Geophysical Research Letters

  • ISSN

    0094-8276

  • e-ISSN

  • Volume of the periodical

    40

  • Issue of the periodical within the volume

    8

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    5

  • Pages from-to

    "1637?1641"

  • UT code for WoS article

    000319217800032

  • EID of the result in the Scopus database