A high-altitude peatland record of environmental changes in the NW Argentine Andes (24 ° S) over the last 2100 years

Autores
Schittek, Karsten; Kock, Sebastian T.; Lücke, Andreas; Hense, Jonathan; Ohlendorf, Christian; Kulemeyer, Julio José; Lupo, Liliana Concepcion; Schäbitz, Frank
Año de publicación
2016
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
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.
Fil: Schittek, Karsten. University of Heidelberg; Alemania. Universitat Zu Köln; Alemania
Fil: Kock, Sebastian T.. University of Heidelberg; Alemania. Research Center Jülich; Alemania
Fil: Lücke, Andreas. Helmholtz Gemeinschaft. Forschungszentrum Jülich; Alemania
Fil: Hense, Jonathan. Universitaet Bonn; Alemania
Fil: Ohlendorf, Christian. Universitat Bremen; Alemania
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
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
Fil: Schäbitz, Frank. Universitat Zu Köln; Alemania
Materia
Environmental changes
Palaeoenvironmental studies
Climatic history
Paleoclimate
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/38628
Acceder
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repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling A high-altitude peatland record of environmental changes in the NW Argentine Andes (24 ° S) over the last 2100 yearsSchittek, KarstenKock, Sebastian T.Lücke, AndreasHense, JonathanOhlendorf, ChristianKulemeyer, Julio JoséLupo, Liliana ConcepcionSchäbitz, FrankEnvironmental changesPalaeoenvironmental studiesClimatic historyPaleoclimatehttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1High-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.Fil: Schittek, Karsten. University of Heidelberg; Alemania. Universitat Zu Köln; AlemaniaFil: Kock, Sebastian T.. University of Heidelberg; Alemania. Research Center Jülich; AlemaniaFil: Lücke, Andreas. Helmholtz Gemeinschaft. Forschungszentrum Jülich; AlemaniaFil: Hense, Jonathan. Universitaet Bonn; AlemaniaFil: Ohlendorf, Christian. Universitat Bremen; AlemaniaFil: 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; ArgentinaFil: 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; ArgentinaFil: Schäbitz, Frank. Universitat Zu Köln; AlemaniaCopernicus Publications2016-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/38628Schittek, 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; 1165-11801814-93241814-9332CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.clim-past.net/12/1165/2016/info:eu-repo/semantics/altIdentifier/doi/10.5194/cp-12-1165-2016info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T11:34:18Zoai:ri.conicet.gov.ar:11336/38628instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 11:34:18.402CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv A high-altitude peatland record of environmental changes in the NW Argentine Andes (24 ° S) over the last 2100 years
title A high-altitude peatland record of environmental changes in the NW Argentine Andes (24 ° S) over the last 2100 years
spellingShingle A high-altitude peatland record of environmental changes in the NW Argentine Andes (24 ° S) over the last 2100 years
Schittek, Karsten
Environmental changes
Palaeoenvironmental studies
Climatic history
Paleoclimate
title_short A high-altitude peatland record of environmental changes in the NW Argentine Andes (24 ° S) over the last 2100 years
title_full A high-altitude peatland record of environmental changes in the NW Argentine Andes (24 ° S) over the last 2100 years
title_fullStr A high-altitude peatland record of environmental changes in the NW Argentine Andes (24 ° S) over the last 2100 years
title_full_unstemmed A high-altitude peatland record of environmental changes in the NW Argentine Andes (24 ° S) over the last 2100 years
title_sort A high-altitude peatland record of environmental changes in the NW Argentine Andes (24 ° S) over the last 2100 years
dc.creator.none.fl_str_mv Schittek, Karsten
Kock, Sebastian T.
Lücke, Andreas
Hense, Jonathan
Ohlendorf, Christian
Kulemeyer, Julio José
Lupo, Liliana Concepcion
Schäbitz, Frank
author Schittek, Karsten
author_facet Schittek, Karsten
Kock, Sebastian T.
Lücke, Andreas
Hense, Jonathan
Ohlendorf, Christian
Kulemeyer, Julio José
Lupo, Liliana Concepcion
Schäbitz, Frank
author_role author
author2 Kock, Sebastian T.
Lücke, Andreas
Hense, Jonathan
Ohlendorf, Christian
Kulemeyer, Julio José
Lupo, Liliana Concepcion
Schäbitz, Frank
author2_role author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Environmental changes
Palaeoenvironmental studies
Climatic history
Paleoclimate
topic Environmental changes
Palaeoenvironmental studies
Climatic history
Paleoclimate
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv 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.
Fil: Schittek, Karsten. University of Heidelberg; Alemania. Universitat Zu Köln; Alemania
Fil: Kock, Sebastian T.. University of Heidelberg; Alemania. Research Center Jülich; Alemania
Fil: Lücke, Andreas. Helmholtz Gemeinschaft. Forschungszentrum Jülich; Alemania
Fil: Hense, Jonathan. Universitaet Bonn; Alemania
Fil: Ohlendorf, Christian. Universitat Bremen; Alemania
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
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
Fil: Schäbitz, Frank. Universitat Zu Köln; Alemania
description 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.
publishDate 2016
dc.date.none.fl_str_mv 2016-05
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/38628
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
1814-9324
1814-9332
CONICET Digital
CONICET
url http://hdl.handle.net/11336/38628
identifier_str_mv 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
1814-9324
1814-9332
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.clim-past.net/12/1165/2016/
info:eu-repo/semantics/altIdentifier/doi/10.5194/cp-12-1165-2016
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
application/pdf
application/pdf
dc.publisher.none.fl_str_mv Copernicus Publications
publisher.none.fl_str_mv Copernicus Publications
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 12.982451

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