The record of the little ice age in the pampean lakes

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The Little Ice Age (LIA) is a climate episode between the 16th and middle 19th centuries, characterized in Europe by colder temperatures and occasionally stormy weather. In certain areas of Europe, long instrumental observations record the Little Ice Age partially; however, in the pampean region met...

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Autores principales:	Laprida, C., Orgeira, M.J., García Chapori, N.
Formato:	Artículo publishedVersion
Publicado:	2009
Materias:	Holocene Little ice age Pampean lakes drought humidity lacustrine deposit lake level Little Ice Age paleoclimate proxy climate record reconstruction sediment core Argentina Sierras Pampeanas
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_00044822_v65_n4_p603_Laprida http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00044822_v65_n4_p603_Laprida_oai
Aporte de:	Repositorio Digital de la Universidad de Buenos Aires (UBA) de Universidad de Buenos Aires

id	I28-R145-paper_00044822_v65_n4_p603_Laprida_oai
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spelling	I28-R145-paper_00044822_v65_n4_p603_Laprida_oai2020-10-19 Laprida, C. Orgeira, M.J. García Chapori, N. 2009 The Little Ice Age (LIA) is a climate episode between the 16th and middle 19th centuries, characterized in Europe by colder temperatures and occasionally stormy weather. In certain areas of Europe, long instrumental observations record the Little Ice Age partially; however, in the pampean region meteorological data only started about one hundred years ago. The objective of this contribution is to provide new evidences about the Little Ice Age in the Pampean plain based on lake cores. Short cores of Chascomús and Monte lakes were analyzed and, according to AMS data, they span the last 500 years. The Chascomús core consists of three fining upward sequences. Sediment logical and biological proxies demonstrate a benign period from the end of the 15th century. Around 1700 AD lake level decreased and a dry period started and lasted for almost 150 years. After 1850 AD higher lake levels and increased moisture dominate the pampean scenario. The del Monte lake core is also composed of three fining upwards sequences, and AMS chronology assigned a basal age between 1441-1494 AD. Although the model age needs improvement, the events of Chascomús and del Monte lakes seem to be correlated and show coherent regional tendencies of humidity and droughts during the last 500 years. Fil:Laprida, C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Orgeira, M.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:García Chapori, N. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. application/pdf http://hdl.handle.net/20.500.12110/paper_00044822_v65_n4_p603_Laprida info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar Rev. Asoc. Geol. Argent. 2009;65(4):603-611 Holocene Little ice age Pampean lakes drought humidity lacustrine deposit lake level Little Ice Age paleoclimate proxy climate record reconstruction sediment core Argentina Sierras Pampeanas The record of the little ice age in the pampean lakes info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00044822_v65_n4_p603_Laprida_oai
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-145
collection	Repositorio Digital de la Universidad de Buenos Aires (UBA)
topic	Holocene Little ice age Pampean lakes drought humidity lacustrine deposit lake level Little Ice Age paleoclimate proxy climate record reconstruction sediment core Argentina Sierras Pampeanas
spellingShingle	Holocene Little ice age Pampean lakes drought humidity lacustrine deposit lake level Little Ice Age paleoclimate proxy climate record reconstruction sediment core Argentina Sierras Pampeanas Laprida, C. Orgeira, M.J. García Chapori, N. The record of the little ice age in the pampean lakes
topic_facet	Holocene Little ice age Pampean lakes drought humidity lacustrine deposit lake level Little Ice Age paleoclimate proxy climate record reconstruction sediment core Argentina Sierras Pampeanas
description	The Little Ice Age (LIA) is a climate episode between the 16th and middle 19th centuries, characterized in Europe by colder temperatures and occasionally stormy weather. In certain areas of Europe, long instrumental observations record the Little Ice Age partially; however, in the pampean region meteorological data only started about one hundred years ago. The objective of this contribution is to provide new evidences about the Little Ice Age in the Pampean plain based on lake cores. Short cores of Chascomús and Monte lakes were analyzed and, according to AMS data, they span the last 500 years. The Chascomús core consists of three fining upward sequences. Sediment logical and biological proxies demonstrate a benign period from the end of the 15th century. Around 1700 AD lake level decreased and a dry period started and lasted for almost 150 years. After 1850 AD higher lake levels and increased moisture dominate the pampean scenario. The del Monte lake core is also composed of three fining upwards sequences, and AMS chronology assigned a basal age between 1441-1494 AD. Although the model age needs improvement, the events of Chascomús and del Monte lakes seem to be correlated and show coherent regional tendencies of humidity and droughts during the last 500 years.
format	Artículo Artículo publishedVersion
author	Laprida, C. Orgeira, M.J. García Chapori, N.
author_facet	Laprida, C. Orgeira, M.J. García Chapori, N.
author_sort	Laprida, C.
title	The record of the little ice age in the pampean lakes
title_short	The record of the little ice age in the pampean lakes
title_full	The record of the little ice age in the pampean lakes
title_fullStr	The record of the little ice age in the pampean lakes
title_full_unstemmed	The record of the little ice age in the pampean lakes
title_sort	record of the little ice age in the pampean lakes
publishDate	2009
url	http://hdl.handle.net/20.500.12110/paper_00044822_v65_n4_p603_Laprida http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=artiaex&d=paper_00044822_v65_n4_p603_Laprida_oai
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_version_	1766026488716460032

The record of the little ice age in the pampean lakes

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