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<title lang=en>Late Holocene precipitation variability recorded in the sediments of Reloncavi Fjord (41 degrees S, 72 degrees W), Chile</title>
<creator>Rebolledo, Lorena</creator>
<creator>Lange, Carina B.</creator>
<creator>Bertrand, Sebastien</creator>
<creator>Munoz, Praxedes</creator>
<creator>Salamanca, Marco</creator>
<creator>Lazo, Pablo</creator>
<creator>Iriarte, Jose l.</creator>
<creator>Vargas, Gabriel</creator>
<creator>Pantoja, Silvio</creator>
<creator>Dezileau, Laurent</creator>
<contributor>Universidad de Concepción [Chile]</contributor>
<contributor>Ghent University [Belgium] (UGENT)</contributor>
<contributor>Universidad Católica del Norte, Coquimbo</contributor>
<contributor>Universidad Austral de Chile</contributor>
<contributor>Universidad de Santiago de Chile [Santiago] (USACH)</contributor>
<contributor>Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Risques ; Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<description>International audience</description>
<source>ISSN: 0033-5894</source>
<source>EISSN: 1096-0287</source>
<source>Quaternary Research</source>
<publisher>Elsevier</publisher>
<identifier>hal-01217176</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01217176</identifier>
<source>https://hal.archives-ouvertes.fr/hal-01217176</source>
<source>Quaternary Research, Elsevier, 2015, 84 (1), pp.21-36. 〈10.1016/j.yqres.2015.05.006〉</source>
<identifier>DOI : 10.1016/j.yqres.2015.05.006</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.yqres.2015.05.006</relation>
<language>en</language>
<subject lang=en>Reloncavi Fjord</subject>
<subject lang=en>Patagonia</subject>
<subject lang=en>Geochemistry Diatoms</subject>
<subject lang=en>Organic carbon</subject>
<subject lang=en>Stable isotopes</subject>
<subject>[SDU.STU.GC] Sciences of the Universe [physics]/Earth Sciences/Geochemistry</subject>
<subject>[SDE.MCG] Environmental Sciences/Global Changes</subject>
<subject>[SDU.STU.CL] Sciences of the Universe [physics]/Earth Sciences/Climatology</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>We present reconstructions of late Holocene changes in the source of organic matter and siliceous export production in the Relocanví Fjord (41°S, 72°W), Northern Chilean Patagonia, based on organic carbon content, δ13Corg, N/C ratio, diatom assemblages and biogenic silica contents from three sediment cores. The age models are based on a combination of 210Pb profiles, AMS 14C dating, and on the first occurrence of the diatom Rhizosolenia setigera f. pungens, as a stratigraphic marker in the fjords. The cores span the last 300 to 700 yr. Diatoms dominate the siliceous assemblages in the three cores (98% on average). Our results suggest that precipitation seasonality in the region of Reloncaví was high in CE 1300–1400 and CE 1700–1850, with a clear decreasing trend since CE 1850. The latter trend is in agreement with instrumental records and tree-ring reconstructions. These fluctuations seem to be associated with the Southern Annular Mode (SAM).</description>
<date>2015-07</date>
</dc>
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