1 Ocak 2018 Dergi makalesi Açık Erişim

Gulyaeva, T. L.; Arikan, F.; Sezen, U.; Poustovalova, L. V.

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/34605</identifier>
  <creators>
    <creator>
      <creatorName>Gulyaeva, T. L.</creatorName>
      <givenName>T. L.</givenName>
      <familyName>Gulyaeva</familyName>
      <affiliation>IZMIRAN, Moscow 108840, Russia</affiliation>
    </creator>
    <creator>
      <creatorName>Arikan, F.</creatorName>
      <givenName>F.</givenName>
      <familyName>Arikan</familyName>
      <affiliation>Hacettepe Univ, Dept EEE, TR-06800 Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Sezen, U.</creatorName>
      <givenName>U.</givenName>
      <familyName>Sezen</familyName>
      <affiliation>Hacettepe Univ, Dept EEE, TR-06800 Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Poustovalova, L. V.</creatorName>
      <givenName>L. V.</givenName>
      <familyName>Poustovalova</familyName>
      <affiliation>IZMIRAN, Moscow 108840, Russia</affiliation>
    </creator>
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  <titles>
    <title>Eight Proxy Indices Of Solar Activity For The International Reference Ionosphere And Plasmasphere Model</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2018</publicationYear>
  <dates>
    <date dateType="Issued">2018-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/34605</alternateIdentifier>
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  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.jastp.2018.03.025</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">In view of the recent recalibration of the sunspot number time series SSN2, a need has arisen to re-evaluate solar and ionospheric indices in the International Reference Ionosphere, IRI, and its extension to the Plasmasphere, IRI-Plas models, which are developed using the predecessor SSN1 index. To improve efficiency of the model, eight solar proxy indices are introduced in IRI-Plas system: the daily measured solar emissions, the Ottawa 10.7-cm radio flux F10.7 and the H Lyman-alpha line at 121.6 nm; the core-to-wing ratio of the magnesium ion h and k lines at 279.56 and 280.27 nm, MgII index; sunspot number SSN1 observed before 05.2015 and modelled afterwards; re-calibrated SSN2 sunspots time series; the ionosonde foF2-based global IG-index and the Global Electron Content, GEC, index, the new ionospheric TEC-noon index based on GPS-derived Total Electron Content measurements at 288 IGS stations for 1994-2018. The regression relations are deduced between the different solar and ionospheric proxy indices smoothed by 12-month sliding window. The IG, TEC and GEC saturation or amplification effect is observed towards the solar maximum. The SSN1 and F10.7 data serve as a default IRI-Plas input while the rest indices are scaled to SSN1 units envisaged by the F2 layer peak maps. Relevant subroutines are incorporated in IRI-Plas system for automatic conversion of uses predefined index to other related indices which are applied by the different model procedures.</description>
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