Three climatic cycles recorded in a loess-palaeosol sequence at Semlac (Romania) – Implications for dust accumulation in south-eastern Europe

Zeeden, Christian; Kels, Holger; Hambach, Ulrich; Schulte, Philipp; Protze, Jens; Eckmeier, Eileen; Marković, Slobodan B.; Klasen, Nicole; Lehmkuhl, Frank

doi:10.1016/j.quascirev.2016.11.002

Cited by 67 publications

(57 citation statements)

References 86 publications

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“…In Southeastern Europe, LPS can be several tens of meters thick representing well preserved and high-resolution archives (see e.g. Marković et al, 2008Marković et al, , 2015Stevens et al, 2011 andZeeden et al, 2016). In contrast to extensively studied LPS along the Danube River, deposits further to the south in the Central Balkan region have been poorly investigated so far (Kostić and Protić, 2000;Basarin et al, 2011 andObreht et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

New luminescence-based geochronology framing the last two glacial cycles at the southern limit of European Pleistocene loess in Stalać (Serbia)

et al. 2017

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Abstract:A new geochronology was established for the Stalać loess-paleosol sequence (LPS) in Serbia. The section is located in the interior of the Central Balkan region, south of the typical loess distribution, in a zone of paleoclimatic shifts between continental and Mediterranean climate regimes. The sampled sequence contains four well-developed paleosol and loess layers, a crypto tephra and one visible tephra layer. Optically stimulated luminescence measurements showed a strong dependency of preheat temperature on equivalent dose for one fine-grained quartz sample, which makes it unsuitable for dating. A firm chronology framing the last two glacial cycles was established using finegrained polyminerals and the post-infrared infrared stimulated luminescence (pIR 50 IR 290 ) protocol instead. The characteristics of dated paleosols indicate similar climatic conditions during the last interstadial and interglacial phases, which were different from the penultimate interglacial period. The tephra within the L2 loess, probably related to tephra layers also found in other sections in Southeastern Europe, was sandwich-dated. The results indicate an age between 118 ka and 141 ka. Furthermore, a weak pedogenic layer dated to between 126 ka and 148 ka gives a first numerical age to this soil formation in Southeastern Europe.

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Section: Introductionmentioning

confidence: 99%

New luminescence-based geochronology framing the last two glacial cycles at the southern limit of European Pleistocene loess in Stalać (Serbia)

et al. 2017

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“…Studies on Quaternary climate change have fostered the interest in loess research because of sometimes high accumulation rates allowing for temporally highly resolved studies on the paleoenvironments. Further, the relatively well-developed chronological framework in Asia and the widespread occurrence over Eurasia (e.g., Chlachula et al, 1997;Ding et al, 2002b;Hao et al, 2012;Yang and Ding, 2014;Zeeden et al, 2016Zeeden et al, , 2018bVeres et al, 2018;Vlaminck et al, 2018;Wang et al, 2018) make loess-paleosol sequences the most widely distributed geoarchives for studying past climate dynamics. Loess intercalated with palaeosols is a valuable source for studying paleoclimate dynamics because soil properties and features depend on the environmental conditions at the time of formation (e.g., Dodonov et al, 2006;Buggle et al, 2011).…”

Section: Loess-palaeosol Sequencesmentioning

confidence: 99%

Loess-Palaeosol Sequences in the Kashmir Valley, NW Himalayas: A Review

Dar

Zeeden

2020

Front. Earth Sci.

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Loess deposits and intercalated palaeosols are widespread in the Quaternary record, and these have been extensively used to gain insights into continental paleoclimatic and paleo-environmental conditions and changes. Especially over Eurasia, loess geoarchives play an important role for our understanding of past changes. Loess covers almost 500 km 2 of the Kashmir Valley in northwestern India, it occurs dominantly in plateau positions, but also on terraces and sometimes forms slope deposits with thicknesses ranging from several to more than 20 m. For the time being, however, the timing of the initiation of the loess accumulation, the provenance, the grain size composition and also the paleo-environment have not been studied systematically and yet only little quantitative data is available. Yet it is clear that deposition rates are at least comparable to European loess, and that the presence of multiple palaeosols intercalated in the loess can provide valuable information on the history of the region. The limited available data hinders regional and continental correlation, and tapping its value as archive of past environmental changes in this sensitive region with influence from Westerlies and the Indian Monsoon. However, several characteristic palaeosol patterns can be traced throughout the Kashmir valley, which provide stratigraphic information. Several studies investigate physical and chemical properties of the loess-paleosol sequences and conclude to its aeolian origin and recording of past climates. The intensity of soil formation phases is traced through various proxies in low resolution and yet without conclusive age control. Here we review the exiting literature, available data, and interpretations from loess-palaeosol sequences in the Kashmir Valley. These are placed in the context of our own observations and loess from the Indian subcontinent.

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“…So far, environmental magnetic studies in Pleistocene terrestrial environments mainly focused on loess areas, as for example from the Chinese Loess Plateau (Chen et al , 2005), the loess–palaeosol sequences in central Europe (Baumgart et al , 2013; Fischer et al , 2019; Hošek et al , 2015) as well as from southeastern Europe (Buggle et al , 2014; Necula et al , 2015; Zeeden et al , 2016). The environmental magnetic approach led to a better understanding of the palaeoenvironment of loess archives and has, furthermore, the potential to differentiate between different source materials and to distinguish the geological background from the imprint soil‐forming processes.…”

Section: Introductionmentioning

confidence: 99%

Rock magnetics of carbonate systems–investigating palaeodune archives on Fuerteventura (Canary Islands)

Schneider

Roettig

Wolf

et al. 2020

J Quaternary Science

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The mineral magnetic properties of Pleistocene aeolian dune sands from the island of Fuerteventura (Canary Islands, Spain) were studied in order to reconstruct the palaeoenvironmental evolution of Pleistocene climates during their formation. The palaeodunes on Fuerteventura mainly consist of carbonate sands admixed with dust and material of volcanic origin. Due to the low magnetic background caused by the diamagnetic character of carbonate sands, these archives offer a lot of potential for environmental magnetic studies to detect the imprint of dust, volcanic material and paedogenesis. Four sections of alternating palaeosurface-aeolianite sequences in palaeodune fields have been analysed by means of extensive rock magnetic measurements. These Quaternary archives consist of deposits originating from different sources. I. material blown from the shallow shelf, II. material of volcanic origin, and III. longrange transported dust. The rock magnetic findings enable a more detailed interpretation of the palaeosurfaces within the sequences. We are able to differentiate semiquantitatively between the different source materials on one hand and to distinguish on the other hand those from soil-forming processes. Soil formation is only weakly developed in the dust imprints in the palaeosol aeolianite sequences, linked to sparse vegetation cover during the Pleistocene on Fuerteventura.

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Three climatic cycles recorded in a loess-palaeosol sequence at Semlac (Romania) – Implications for dust accumulation in south-eastern Europe

Cited by 67 publications

References 86 publications

New luminescence-based geochronology framing the last two glacial cycles at the southern limit of European Pleistocene loess in Stalać (Serbia)

New luminescence-based geochronology framing the last two glacial cycles at the southern limit of European Pleistocene loess in Stalać (Serbia)

Loess-Palaeosol Sequences in the Kashmir Valley, NW Himalayas: A Review

Rock magnetics of carbonate systems–investigating palaeodune archives on Fuerteventura (Canary Islands)

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