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dc.contributor.author
Schittek, Karsten
dc.contributor.author
Kock, Sebastian T.
dc.contributor.author
Lücke, Andreas
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dc.contributor.author
Hense, Jonathan
dc.contributor.author
Ohlendorf, Christian
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dc.contributor.author
Kulemeyer, Julio José
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dc.contributor.author
Lupo, Liliana Concepcion
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dc.contributor.author
Schäbitz, Frank
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dc.date.available
2018-03-12T21:15:51Z
dc.date.issued
2016-05
dc.identifier.citation
Schittek, Karsten; Kock, Sebastian T.; Lücke, Andreas; Hense, Jonathan; Ohlendorf, Christian; et al.; A high-altitude peatland record of environmental changes in the NW Argentine Andes (24 ° S) over the last 2100 years; Copernicus Publications; Climate Of The Past; 12; 5; 5-2016; 1165-1180
dc.identifier.issn
1814-9324
dc.identifier.uri
http://hdl.handle.net/11336/38628
dc.description.abstract
High-altitude cushion peatlands are versatile archives for high-resolution palaeoenvironmental studies, due to their high accumulation rates, range of proxies, and sensitivity to climatic and/or human-induced changes. Especially within the Central Andes, the knowledge about climate conditions during the Holocene is limited. In this study, we present the environmental and climatic history for the last 2100 years of Cerro Tuzgle peatland (CTP), located in the dry Puna of NW Argentina, based on a multi-proxy approach. X-ray fluorescence (XRF), stable isotope and element content analyses (δ13C, δ15N, TN and TOC) were conducted to analyse the inorganic geochemistry throughout the sequence, revealing changes in the peatlands' past redox conditions. Pollen assemblages give an insight into substantial environmental changes on a regional scale. The palaeoclimate varied significantly during the last 2100 years. The results reflect prominent late Holocene climate anomalies and provide evidence that in situ moisture changes were coupled to the migration of the Intertropical Convergence Zone (ITCZ). A period of sustained dry conditions prevailed from around 150 BC to around AD 150. A more humid phase dominated between AD 200 and AD 550. Afterwards, the climate was characterised by changes between drier and wetter conditions, with droughts at around AD 650-800 and AD 1000-1100. Volcanic forcing at the beginning of the 19th century (1815 Tambora eruption) seems to have had an impact on climatic settings in the Central Andes. In the past, the peatland recovered from climatic perturbations. Today, CTP is heavily degraded by human interventions, and the peat deposit is becoming increasingly susceptible to erosion and incision.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Copernicus Publications
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
Environmental Changes
dc.subject
Palaeoenvironmental Studies
dc.subject
Climatic History
dc.subject
Paleoclimate
dc.subject.classification
Meteorología y Ciencias Atmosféricas
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
A high-altitude peatland record of environmental changes in the NW Argentine Andes (24 ° S) over the last 2100 years
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-03-12T18:31:07Z
dc.identifier.eissn
1814-9332
dc.journal.volume
12
dc.journal.number
5
dc.journal.pagination
1165-1180
dc.journal.pais
Alemania
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dc.journal.ciudad
Gottingen
dc.description.fil
Fil: Schittek, Karsten. University of Heidelberg; Alemania. Universitat Zu Köln; Alemania
dc.description.fil
Fil: Kock, Sebastian T.. University of Heidelberg; Alemania. Research Center Jülich; Alemania
dc.description.fil
Fil: Lücke, Andreas. Helmholtz Gemeinschaft. Forschungszentrum Jülich; Alemania
dc.description.fil
Fil: Hense, Jonathan. Universitaet Bonn; Alemania
dc.description.fil
Fil: Ohlendorf, Christian. Universitat Bremen; Alemania
dc.description.fil
Fil: Kulemeyer, Julio José. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Jujuy. Universidad Nacional de Jujuy. Centro de Investigaciones y Transferencia de Jujuy; Argentina
dc.description.fil
Fil: Lupo, Liliana Concepcion. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Jujuy. Universidad Nacional de Jujuy. Centro de Investigaciones y Transferencia de Jujuy; Argentina
dc.description.fil
Fil: Schäbitz, Frank. Universitat Zu Köln; Alemania
dc.journal.title
Climate Of The Past
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.clim-past.net/12/1165/2016/
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.5194/cp-12-1165-2016
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