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Description
  • We present an automated two-step detection algorithm for identification of interplanetary (IP) shocks regardless their type in a real-time data stream. This algorithm is aimed for implementation on board the future Solar Orbiter mission for triggering the transmission of the high-resolution data to the Earth. The first step of the algorithm is based on a determination of a quality factor, Q indicating abrupt changes of plasma parameters (proton density and bulk velocity) and magnetic field strength. We test two sets of weighting coefficients for Q determination and propose the second step consisting of three additional constraints that increase the effectiveness of the algorithm. We checked the algorithm using Wind (at 1 AU) and Helios (at distances from 0.29 to 1 AU) data and compared obtained results with already existing lists of IP shocks. The efficiency of the presented algorithm for the Wind shock lists varies from 60% to 84% for two Q thresholds. The final shock candidate list provided by the presented algorithm contains the real IP shocks, as well as different discontinuities. The detection rate of the IP shocks equals to 64% and 29% for two Q thresholds. The algorithm detected all IP shocks associated with the solar wind transient structures triggering intense (Dst<-100nT) geomagnetic storms.
  • We present an automated two-step detection algorithm for identification of interplanetary (IP) shocks regardless their type in a real-time data stream. This algorithm is aimed for implementation on board the future Solar Orbiter mission for triggering the transmission of the high-resolution data to the Earth. The first step of the algorithm is based on a determination of a quality factor, Q indicating abrupt changes of plasma parameters (proton density and bulk velocity) and magnetic field strength. We test two sets of weighting coefficients for Q determination and propose the second step consisting of three additional constraints that increase the effectiveness of the algorithm. We checked the algorithm using Wind (at 1 AU) and Helios (at distances from 0.29 to 1 AU) data and compared obtained results with already existing lists of IP shocks. The efficiency of the presented algorithm for the Wind shock lists varies from 60% to 84% for two Q thresholds. The final shock candidate list provided by the presented algorithm contains the real IP shocks, as well as different discontinuities. The detection rate of the IP shocks equals to 64% and 29% for two Q thresholds. The algorithm detected all IP shocks associated with the solar wind transient structures triggering intense (Dst<-100nT) geomagnetic storms. (en)
Title
  • Automated interplanetary shock detection and its application to Wind observations
  • Automated interplanetary shock detection and its application to Wind observations (en)
skos:prefLabel
  • Automated interplanetary shock detection and its application to Wind observations
  • Automated interplanetary shock detection and its application to Wind observations (en)
skos:notation
  • RIV/00216208:11320/13:10191476!RIV14-GA0-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(GA205/09/0112), P(GAP209/12/2394)
http://linked.open...iv/cisloPeriodika
  • 8
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 62573
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/13:10191476
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Instruments and techniques; Interplanetary shocks (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [D0A5C828E4AC]
http://linked.open...i/riv/nazevZdroje
  • JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 118
http://linked.open...iv/tvurceVysledku
  • Němeček, Zdeněk
  • Santolík, Ondřej
  • Šafránková, Jana
  • Maksimovic, M.
  • Krupar, V.
  • Kruparova, O.
http://linked.open...ain/vavai/riv/wos
  • 000324992300008
issn
  • 2169-9380
number of pages
http://bibframe.org/vocab/doi
  • 10.1002/jgra.50468
http://localhost/t...ganizacniJednotka
  • 11320
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