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@ARTICLE{Haberzettl:1495,
author = {Haberzettl, T. and Kück, B. and Wulf, S. and Anselmetti,
F. and Ariztegui, D. and Fey, M. and Janssen, S. and Lücke,
A. and Mayr, C. and Ohlendorf, C. and Schäbitz, F. and
Schleser, G. H. and Wille, M. and Zolitschka, B.},
title = {{H}ydrological variability and explosive volcanic activity
in southeastern {P}atagonia during {O}xygen {I}sotope
{S}tage 3 and the {H}olocene inferred from lake sediments of
{L}aguna {P}otrok {A}ike},
journal = {Palaeogeography, palaeoclimatology, palaeoecology},
volume = {259},
issn = {0031-0182},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {PreJuSER-1495},
pages = {213 - 229},
year = {2008},
note = {Record converted from VDB: 12.11.2012},
abstract = {Seismic reflection studies in the maar lake Laguna Potrok
Aike (51 degrees 58' S, 70 degrees 23' W) revealed an
erosional unconformity associated with a sub-aquatic
lake-level terrace at a water depth of 30m.
Radiocarbon-dated, multi-proxy sediment studies of a piston
core from this location indicate that the sediment below
this discontinuity has an age of 45kyr BP (Oxygen Isotope
Stage 3), and was deposited during an interval of high lake
level. In comparison to the Holocene section, geochemical
indicators of this older part of the record either point
towards a different sediment source or to a different
transport mechanism for Oxygen Isotope Stage 3 sediments.
Holocene sedimentation started again before 6790cal. yr BP,
providing a sediment record of hydrological variability
until the present. Geochemical and isotopic data indicate a
fluctuating lake level until 5310cal. yr BP. During the late
Holocene the lake level shows a receding tendency.
Nevertheless, the lake level did not drop below the 30m
terrace to create another unconformity. The geochemical
characterization of volcanic ashes reveals evidence for
previously unknown explosive activity of the Reclus and Mt.
Burney volcanoes during Oxygen Isotope Stage 3. (c) 2007
Elsevier B.V. All rights reserved.},
keywords = {J (WoSType)},
cin = {ICG-5},
ddc = {550},
cid = {I:(DE-Juel1)VDB143},
pnm = {Geosysteme - Erde im Wandel},
pid = {G:(DE-Juel1)FUEK405},
shelfmark = {Geography, Physical / Geosciences, Multidisciplinary /
Paleontology},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000254695400009},
doi = {10.1016/j.palaeo.2007.10.008},
url = {https://juser.fz-juelich.de/record/1495},
}