Central European Geology
Volume/Issue:
Volume 52: Issue 3-4
Radiocarbon chronology of glacial lake sediments in the Retezat Mts (South Carpathians, Romania): a window to Late Glacial and Holocene climatic and paleoenvironmental changes
Authors:
Enikõ K. Magyari Research Group for Paleontology Hungarian Academy of Sciences, Hungarian Natural History Museum, Budapest, Hungary
H-1476, Budapest, P.O. Box 222, Hungary

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Mihály Braun Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, Hungary
H-4010, Debrecen, P.O. Box 21, Hungary

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Krisztina Buczkó Hungarian Natural History Museum, Budapest, Hungary
H-1431, Budapest, P.O. Box 137, Hungary

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Zoltán Kern Institute for Geochemical Research, Hungarian Academy of Sciences, Budapest, Hungary
H-1112, Budapest, Budaörsi út 45, Hungary

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Péter László Department of Physical Geography, Eötvös University, Budapest, Hungary
H-1117, Budapest, Pázmány P. st. 1/c, Hungary

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Katalin Hubay Department of Inorganic and Analytical Chemistry, University of Debrecen, Debrecen, Hungary
H-4010, Debrecen, P.O. Box 21, Hungary

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Miklós Bálint Biodiversität und Klima Forschungszentrum (BiK-F), Frankfurt am Main, Germany
Senckenberganlage 25, D-60325, Frankfurt am Main, Germany

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Pages:
225–248
Online Publication Date:
01 Sep 2009
Publication Date:
01 Sep 2009
Article Category:
Research Article
DOI:
https://doi.org/10.1556/ceugeol.52.2009.3-4.2
Keywords:
Late Glacial; radiocarbon dating; loss-on-ignition; pollen; glacial lake sediments; rapid climate change
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Abstract

the Retezat Mountains, this study discusses radiocarbon chronology and sediment accumulation rate changes in two sediment profiles in relation to lithostratigraphy, organic content, biogenic silica and major pollenstratigraphic changes. A total of 25 radiocarbon dates were obtained from sediments of two lakes, Lake Brazi (TDB-1; 1740 m a.s.l.) and Lake Gales (Gales-3; 1990 m a.s.l.). Age-depth modeling was performed on TDB-1 using calibrated age ranges from BCal and various curve-fitting methods in psimpoll. Our results suggest that sediment accumulation began between 15,124–15,755 cal yr BP in both lakes and was continuous throughout the Late Glacial and Holocene. We demonstrated that local ecosystem productivity showed delayed response to Late Glacial and Early Holocene climatic changes in the subalpine and alpine zones most likely attributable to the cooling effect of remnant glaciers and meltwater input. However, regional vegetation response was without time lag and indicated forestation and warming at 14,450 and 11,550 cal yr BP, and cooling at ca. 12,800 cal yr BP. In the Holocene one major shift was detected, starting around 6300 cal yr BP and culminating around 5200 cal yr BP. The various proxies suggested summer cooling, shorter duration of the winter ice-cover season and/or increasing size of the water body, probably in response to increasing available moisture.

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Cover Central European Geology
Central European Geology
Print ISSN:
1788-2281
Online ISSN:
1789-3348

Senior editors

Editor(s)-in-Chief: Attila DEMÉNY

Deputy Editor(s)-in-Chief: Béla RAUCSIK

Co-ordinating Editor(s): Gábor SCHMIEDL

Editorial Board

  • Zsolt BENKÓ (Geochemistry, Ar dating; Institute for Nuclear Research, Debrecen)
  • Szabolcs HARANGI (Petrology, geochemistry, volcanology; Eötvös Loránd University, Budapest)
  • Anette GÖTZ (Sedimentology; Landesamt für Bergbau, Energie und Geologie, Hannover)
  • János HAAS (Regional Geology and Sedimentology; Eötvös Loránd University, Budapest)
  • István Gábor HATVANI (Geomathematics; Institute for Geological and Geochemical Research, Budapest)
  • Henry M. LIEBERMAN (Language Editor; Salt Lake City)
  • János KOVÁCS (Quaternary geology; University of Pécs)
  • Szilvia KÖVÉR (Sedimentology; Eötvös Loránd University, Budapest)
  • Tivadar M. TÓTH (Mineralogy; Petrology    University of Szeged)
  • Stephen J. MOJZSIS (Petrology, geochemistry and planetology; University of Colorado Boulder)
  • Norbert NÉMETH (Structural geology; University of Miskolc)
  • Attila ŐSI (Paleontology; Eötvös Loránd University, Budapest)
  • József PÁLFY (Fossils and Stratigraphic Records; Eötvös Loránd University, Budapest)
  • György POGÁCSÁS (Petroleum Geology; Eötvös Loránd University, Budapest)
  • Krisztina SEBE (Tectonics, sedimentology, geomorphology University of Pécs)
  • Ioan SEGHEDY (Petrology and geochemistry; Institute of Geodynamics, Bucharest)
  • Lóránd SILYE (Paleontology; Babeș-Bolyai University, Cluj-Napoca)
  • Ákos TÖRÖK (Applied and Environmental Earth Sciences; Budapest University of Technology and Economics, Budapest)
  • Norbert ZAJZON (Petrology and geochemistry; University of Miskolc)
  • Ferenc MOLNÁR (ore geology, geochemistry, geochronology, archaeometry; Geological Survey of Finland, Espoo)

Advisory Board

Due to the changes in editorial functions, the Advisory Board has been terminated. The participation of former Advisory Board members is highly appreciated and gratefully thanked.

CENTRAL EUROPEAN GEOLOGY
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Central European Geology
Language English
Size Vol 1-63: B5
Vol 64- : A4
Year of
Foundation		 2007 (1952)
Volumes
per Year		 1
Issues
per Year		 2
Founder Magyar Tudományos Akadémia  
Founder's
Address		 H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
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ISSN 1788-2281 (Print)
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