January 1, 1979 Journal article Open Access

G. W. Timco

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  <identifier identifierType="URL">https://www.openaccessrepository.it/record/90625</identifier>
  <creators>
    <creator>
      <creatorName>G. W. Timco</creatorName>
    </creator>
  </creators>
  <titles>
    <title>An Analysis of the In-Situ Resistivity of Sea Ice in Terms of its Microstructure</title>
  </titles>
  <publisher>INFN Open Access Repository</publisher>
  <publicationYear>1979</publicationYear>
  <subjects>
    <subject>NEANIAS Atmospheric Research Community</subject>
    <subject>Earth-Surface Processes</subject>
  </subjects>
  <dates>
    <date dateType="Issued">1979-01-01</date>
  </dates>
  <language>en</language>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://www.openaccessrepository.it/record/90625</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1017/s0022143000014465</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://www.openaccessrepository.it/communities/itmirror</relatedIdentifier>
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  <rightsList>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
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  <descriptions>
    <description descriptionType="Abstract">AbstractThe results of 66 Schlumberger geoelectric soundings on first-year sea ice are analysed to obtain average values of d.c. electrical resistivity both parallelρ1 and perpendicularρpto the long brine cell direction. This analysis yieldsρ1 = 104 Ω m, 80 Ω m, 45 Ω m, andρp= 298 Ω m, 230 Ω m, 129 Ω m for brine volumesνbof 40‰, 67‰, and 82‰ respectively. The observed dependence ofρ1 onνbis used in conjunction with a mixing formula for the electrical resistivity of a two-phase heterogeneous system to arrive at values of "average" brine cell lengthslfor relatively warm sea ice. This treatment yieldsl≈ 1.7 cm for 40‰≤νb≤70‰ with a rapid extension of brine cell lengths for brine volumes abovec. 70‰.</description>
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