Journal article Open Access

The 4.2 ka event in the central Mediterranean: new data from a Corchia speleothem (Apuan Alps, central Italy)

Isola, Ilaria; Zanchetta, Giovanni; Drysdale, Russell N.; Regattieri, Eleonora; Bini, Monica; Bajo, Petra; Hellstrom, John C.; Baneschi, Ilaria; Lionello, Piero; Woodhead, Jon; Greig, Alan


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  <creators>
    <creator>
      <creatorName>Isola, Ilaria</creatorName>
      <givenName>Ilaria</givenName>
      <familyName>Isola</familyName>
    </creator>
    <creator>
      <creatorName>Zanchetta, Giovanni</creatorName>
      <givenName>Giovanni</givenName>
      <familyName>Zanchetta</familyName>
    </creator>
    <creator>
      <creatorName>Drysdale, Russell N.</creatorName>
      <givenName>Russell N.</givenName>
      <familyName>Drysdale</familyName>
    </creator>
    <creator>
      <creatorName>Regattieri, Eleonora</creatorName>
      <givenName>Eleonora</givenName>
      <familyName>Regattieri</familyName>
    </creator>
    <creator>
      <creatorName>Bini, Monica</creatorName>
      <givenName>Monica</givenName>
      <familyName>Bini</familyName>
    </creator>
    <creator>
      <creatorName>Bajo, Petra</creatorName>
      <givenName>Petra</givenName>
      <familyName>Bajo</familyName>
    </creator>
    <creator>
      <creatorName>Hellstrom, John C.</creatorName>
      <givenName>John C.</givenName>
      <familyName>Hellstrom</familyName>
    </creator>
    <creator>
      <creatorName>Baneschi, Ilaria</creatorName>
      <givenName>Ilaria</givenName>
      <familyName>Baneschi</familyName>
    </creator>
    <creator>
      <creatorName>Lionello, Piero</creatorName>
      <givenName>Piero</givenName>
      <familyName>Lionello</familyName>
    </creator>
    <creator>
      <creatorName>Woodhead, Jon</creatorName>
      <givenName>Jon</givenName>
      <familyName>Woodhead</familyName>
    </creator>
    <creator>
      <creatorName>Greig, Alan</creatorName>
      <givenName>Alan</givenName>
      <familyName>Greig</familyName>
    </creator>
  </creators>
  <titles>
    <title>The 4.2 ka event in the central Mediterranean: new data from a Corchia speleothem (Apuan Alps, central Italy)</title>
  </titles>
  <publisher>INFN Open Access Repository</publisher>
  <publicationYear>2019</publicationYear>
  <subjects>
    <subject>ARC</subject>
    <subject>Australian Research Council (ARC)</subject>
    <subject>Discovery Projects</subject>
    <subject>Digital Humanities and Cultural Heritage</subject>
    <subject>Stratigraphy</subject>
    <subject>Palaeontology</subject>
    <subject>Global and Planetary Change</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2019-01-22</date>
  </dates>
  <language>en</language>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://www.openaccessrepository.it/record/68420</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.5194/cp-15-135-2019</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://www.openaccessrepository.it/communities/itmirror</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/">Creative Commons Attribution 4.0</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">Abstract. We present new data on the 4.2 ka event in the central Mediterranean from
Corchia Cave (Tuscany, central Italy) stalagmite CC27. The stalagmite was
analyzed for stable isotopes (δ13C and δ18O)
and trace elements (Mg, U, P, Y), with all proxies showing a coherent phase
of reduced cave recharge between ca. 4.5 and 4.1 ka BP. Based on the
current climatological data on cyclogenesis, the reduction in cave recharge
is considered to be associated with the weakening of the cyclone center
located in the Gulf of Genoa in response to reduced advection of air masses
from the Atlantic during winter. These conditions, which closely resemble a
positive North Atlantic Oscillation (NAO) type of configuration, are
associated with cooler and wetter summers with reduced sea warming, which
reduced the western Mediterranean evaporation during autumn–early winter,
further reducing precipitation.</description>
  </descriptions>
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