February 25, 2021 Poster Open Access

Andrey Stejko; Alexander Kosovichev; Valery Pipin

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  <identifier identifierType="DOI">10.5281/zenodo.4563256</identifier>
  <creators>
    <creator>
      <creatorName>Andrey Stejko</creatorName>
      <nameIdentifier nameIdentifierScheme="ORCID" schemeURI="http://orcid.org/">0000-0001-7483-3257</nameIdentifier>
      <affiliation>NJIT</affiliation>
    </creator>
    <creator>
      <creatorName>Alexander Kosovichev</creatorName>
      <affiliation>NJIT</affiliation>
    </creator>
    <creator>
      <creatorName>Valery Pipin</creatorName>
      <affiliation>Institute of Solar-Terrestrial Physics, Irkutsk</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Modeling Helioseismic Signatures of Meridional Circulation</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2021</publicationYear>
  <subjects>
    <subject>Helioseismology</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2021-02-25</date>
  </dates>
  <language>en</language>
  <resourceType resourceTypeGeneral="Text">Poster</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/4563256</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.5281/zenodo.4563255</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/coolstars20half</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;We present the application of a new 3D global linearized acoustic algorithm (GALE). With the wide variance of inferred profiles of meridional circulation currently being made from similar observational data, we choose a &amp;quot;forward-modeling&amp;quot; approach to test the helioseismic signatures generated by several physics-based mean-field models of meridional velocities. We simulate the effect of realization noise in measurements in order to place a low-end baseline for whether it is possible to see the difference between single- and double-cell meridional circulation. With minimal parameter changes between the two regimes we show that it may not be possible two distinguish these profiles within the operational time-frame of HMI. We also test several other profiles in an attempt to use mean-field theory to help constrain inferences made through helioseismology inversions.&lt;/p&gt;</description>
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