North Atlantic Oscillation polarity during the past 3000 years derived from sediments of a large lowland lake, Schweriner See, in NE Germany

Based on a multi-dating and multi-proxy approach, we reconstruct Late Holocene environmental changes derived from sediments of Schweriner See, a large lowland lake in NE Germany, covering the past 3070 + 170 / - 210 years cal BP. We infer variations in large-scale atmospheric circulation systems by...

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Published in:Climate of the Past
Main Authors: Adolph, Marie-Luise, Czerwiński, Sambor, Dreßler, Mirko, Strobel, Paul, Bliedtner, Marcel, Lorenz, Sebastian, Debret, Maxime, Haberzettl, Torsten
Format: Article in Journal/Newspaper
Language:English
Published: 2024
Subjects:
Online Access:https://doi.org/10.5194/cp-20-2143-2024
https://nbn-resolving.org/urn:nbn:de:gbv:27-dbt-62596-9
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author Adolph, Marie-Luise
Czerwiński, Sambor
Dreßler, Mirko
Strobel, Paul
Bliedtner, Marcel
Lorenz, Sebastian
Debret, Maxime
Haberzettl, Torsten
author_facet Adolph, Marie-Luise
Czerwiński, Sambor
Dreßler, Mirko
Strobel, Paul
Bliedtner, Marcel
Lorenz, Sebastian
Debret, Maxime
Haberzettl, Torsten
author_sort Adolph, Marie-Luise
collection Digital Library Thüringen
container_issue 9
container_start_page 2143
container_title Climate of the Past
container_volume 20
description Based on a multi-dating and multi-proxy approach, we reconstruct Late Holocene environmental changes derived from sediments of Schweriner See, a large lowland lake in NE Germany, covering the past 3070 + 170 / - 210 years cal BP. We infer variations in large-scale atmospheric circulation systems by combining in-lake productivity indicators obtained from traditional and high-resolution techniques (e.g. LOI 550 , TOC, inc / coh), diatom assemblages, and compound-specific hydrogen isotopes ( δ 2 H C 25 ). Before 105 + 95 / - 75 cal BP ( ∼ 1850 CE), changes in productivity and the occurrence or disappearance of the diatom species Stephanocostis chantaicus reflect winter temperature variability, while variations in the compound-specific hydrogen isotopes suggest changes in the moisture source region. We observe distinct variations between (i) milder winter temperatures with a moisture source region in the southern–central North Atlantic and (ii) colder winter temperatures with a moisture source in the northern North Atlantic and/or Arctic regions. Such distinct variations in winter temperature and moisture source region are mainly modulated by the North Atlantic Oscillation (NAO). This affects, among others, westerly wind strength and pathways and, thereby, winter temperature and moisture source region for northern central Europe. Besides these long-term shifts in atmospheric conditions, short-term variations in titanium can be linked to lake-level variability, most likely influenced by changes in precipitation and/or evaporation, and after the 12th century to anthropogenic impacts. Since 105 + 95 / - 75 cal BP ( ∼ 1850 CE), productivity has been driven predominantly by nutrient availability related to anthropogenic activities masking the hydroclimatic signal.
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genre North Atlantic
North Atlantic oscillation
genre_facet North Atlantic
North Atlantic oscillation
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op_doi https://doi.org/10.5194/cp-20-2143-2024
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spelling ftdbthueringen:oai:www.db-thueringen.de:dbt_mods_00062596 2025-02-16T15:06:57+00:00 North Atlantic Oscillation polarity during the past 3000 years derived from sediments of a large lowland lake, Schweriner See, in NE Germany Adolph, Marie-Luise Czerwiński, Sambor Dreßler, Mirko Strobel, Paul Bliedtner, Marcel Lorenz, Sebastian Debret, Maxime Haberzettl, Torsten 2024-09-26 23 Seiten https://doi.org/10.5194/cp-20-2143-2024 https://nbn-resolving.org/urn:nbn:de:gbv:27-dbt-62596-9 https://www.db-thueringen.de/receive/dbt_mods_00062596 https://www.db-thueringen.de/servlets/MCRZipServlet/dbt_derivate_00064895 eng eng Climate of the Past -- CP -- Clim. Past -- 1814-9332 https://creativecommons.org/licenses/by/4.0/ public info:eu-repo/semantics/openAccess article ScholarlyArticle ddc:550 article Text doc-type:Article 2024 ftdbthueringen https://doi.org/10.5194/cp-20-2143-2024 2025-01-17T04:47:40Z Based on a multi-dating and multi-proxy approach, we reconstruct Late Holocene environmental changes derived from sediments of Schweriner See, a large lowland lake in NE Germany, covering the past 3070 + 170 / - 210 years cal BP. We infer variations in large-scale atmospheric circulation systems by combining in-lake productivity indicators obtained from traditional and high-resolution techniques (e.g. LOI 550 , TOC, inc / coh), diatom assemblages, and compound-specific hydrogen isotopes ( δ 2 H C 25 ). Before 105 + 95 / - 75 cal BP ( ∼ 1850 CE), changes in productivity and the occurrence or disappearance of the diatom species Stephanocostis chantaicus reflect winter temperature variability, while variations in the compound-specific hydrogen isotopes suggest changes in the moisture source region. We observe distinct variations between (i) milder winter temperatures with a moisture source region in the southern–central North Atlantic and (ii) colder winter temperatures with a moisture source in the northern North Atlantic and/or Arctic regions. Such distinct variations in winter temperature and moisture source region are mainly modulated by the North Atlantic Oscillation (NAO). This affects, among others, westerly wind strength and pathways and, thereby, winter temperature and moisture source region for northern central Europe. Besides these long-term shifts in atmospheric conditions, short-term variations in titanium can be linked to lake-level variability, most likely influenced by changes in precipitation and/or evaporation, and after the 12th century to anthropogenic impacts. Since 105 + 95 / - 75 cal BP ( ∼ 1850 CE), productivity has been driven predominantly by nutrient availability related to anthropogenic activities masking the hydroclimatic signal. Article in Journal/Newspaper North Atlantic North Atlantic oscillation Digital Library Thüringen Arctic Climate of the Past 20 9 2143 2165
spellingShingle article
ScholarlyArticle
ddc:550
Adolph, Marie-Luise
Czerwiński, Sambor
Dreßler, Mirko
Strobel, Paul
Bliedtner, Marcel
Lorenz, Sebastian
Debret, Maxime
Haberzettl, Torsten
North Atlantic Oscillation polarity during the past 3000 years derived from sediments of a large lowland lake, Schweriner See, in NE Germany
title North Atlantic Oscillation polarity during the past 3000 years derived from sediments of a large lowland lake, Schweriner See, in NE Germany
title_full North Atlantic Oscillation polarity during the past 3000 years derived from sediments of a large lowland lake, Schweriner See, in NE Germany
title_fullStr North Atlantic Oscillation polarity during the past 3000 years derived from sediments of a large lowland lake, Schweriner See, in NE Germany
title_full_unstemmed North Atlantic Oscillation polarity during the past 3000 years derived from sediments of a large lowland lake, Schweriner See, in NE Germany
title_short North Atlantic Oscillation polarity during the past 3000 years derived from sediments of a large lowland lake, Schweriner See, in NE Germany
title_sort north atlantic oscillation polarity during the past 3000 years derived from sediments of a large lowland lake, schweriner see, in ne germany
topic article
ScholarlyArticle
ddc:550
topic_facet article
ScholarlyArticle
ddc:550
url https://doi.org/10.5194/cp-20-2143-2024
https://nbn-resolving.org/urn:nbn:de:gbv:27-dbt-62596-9
https://www.db-thueringen.de/receive/dbt_mods_00062596
https://www.db-thueringen.de/servlets/MCRZipServlet/dbt_derivate_00064895