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000001495 0247_ $$2DOI$$a10.1016/j.palaeo.2007.10.008
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000001495 084__ $$2WoS$$aGeography, Physical
000001495 084__ $$2WoS$$aGeosciences, Multidisciplinary
000001495 084__ $$2WoS$$aPaleontology
000001495 1001_ $$0P:(DE-Juel1)VDB31410$$aHaberzettl, T.$$b0$$uFZJ
000001495 245__ $$aHydrological variability and explosive volcanic activity in southeastern Patagonia during Oxygen Isotope Stage 3 and the Holocene inferred from lake sediments of Laguna Potrok Aike
000001495 260__ $$aAmsterdam [u.a.]$$bElsevier Science$$c2008
000001495 300__ $$a213 - 229
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000001495 440_0 $$013362$$aPalaeogeography Palaeoclimatology Palaeoecology$$v259$$x0031-0182
000001495 500__ $$aRecord converted from VDB: 12.11.2012
000001495 520__ $$aSeismic reflection studies in the maar lake Laguna Potrok Aike (51 degrees 58' S, 70 degrees 23' W) revealed an erosional unconformity associated with a sub-aquatic lake-level terrace at a water depth of 30m. Radiocarbon-dated, multi-proxy sediment studies of a piston core from this location indicate that the sediment below this discontinuity has an age of 45kyr BP (Oxygen Isotope Stage 3), and was deposited during an interval of high lake level. In comparison to the Holocene section, geochemical indicators of this older part of the record either point towards a different sediment source or to a different transport mechanism for Oxygen Isotope Stage 3 sediments. Holocene sedimentation started again before 6790cal. yr BP, providing a sediment record of hydrological variability until the present. Geochemical and isotopic data indicate a fluctuating lake level until 5310cal. yr BP. During the late Holocene the lake level shows a receding tendency. Nevertheless, the lake level did not drop below the 30m terrace to create another unconformity. The geochemical characterization of volcanic ashes reveals evidence for previously unknown explosive activity of the Reclus and Mt. Burney volcanoes during Oxygen Isotope Stage 3. (c) 2007 Elsevier B.V. All rights reserved.
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000001495 65320 $$2Author$$ageochemistry
000001495 65320 $$2Author$$alacustrine sediments
000001495 65320 $$2Author$$alake level changes
000001495 65320 $$2Author$$atephrostratigraphy
000001495 65320 $$2Author$$aArgentina
000001495 65320 $$2Author$$apalaeoclimate
000001495 7001_ $$0P:(DE-Juel1)VDB57773$$aKück, B.$$b1$$uFZJ
000001495 7001_ $$0P:(DE-Juel1)VDB40942$$aWulf, S.$$b2$$uFZJ
000001495 7001_ $$0P:(DE-HGF)0$$aAnselmetti, F.$$b3
000001495 7001_ $$0P:(DE-HGF)0$$aAriztegui, D.$$b4
000001495 7001_ $$0P:(DE-HGF)0$$aFey, M.$$b5
000001495 7001_ $$0P:(DE-HGF)0$$aJanssen, S.$$b6
000001495 7001_ $$0P:(DE-Juel1)129567$$aLücke, A.$$b7$$uFZJ
000001495 7001_ $$0P:(DE-HGF)0$$aMayr, C.$$b8
000001495 7001_ $$0P:(DE-HGF)0$$aOhlendorf, C.$$b9
000001495 7001_ $$0P:(DE-HGF)0$$aSchäbitz, F.$$b10
000001495 7001_ $$0P:(DE-Juel1)VDB1420$$aSchleser, G. H.$$b11$$uFZJ
000001495 7001_ $$0P:(DE-HGF)0$$aWille, M.$$b12
000001495 7001_ $$0P:(DE-HGF)0$$aZolitschka, B.$$b13
000001495 773__ $$0PERI:(DE-600)1497393-5$$a10.1016/j.palaeo.2007.10.008$$gVol. 259, p. 213 - 229$$p213 - 229$$q259<213 - 229$$tPalaeogeography, palaeoclimatology, palaeoecology$$v259$$x0031-0182$$y2008
000001495 8567_ $$uhttp://dx.doi.org/10.1016/j.palaeo.2007.10.008
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