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Buried Late Weichselian thermokarst landscape discovered in the Czech Republic, central Europe

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081758%3A_____%2F19%3A00523792" target="_blank" >RIV/68081758:_____/19:00523792 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11310/19:10402979 RIV/00216208:11620/19:10402979 RIV/00025798:_____/19:00000054

  • Result on the web

    <a href="https://onlinelibrary.wiley.com/doi/abs/10.1111/bor.12404" target="_blank" >https://onlinelibrary.wiley.com/doi/abs/10.1111/bor.12404</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1111/bor.12404" target="_blank" >10.1111/bor.12404</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Buried Late Weichselian thermokarst landscape discovered in the Czech Republic, central Europe

  • Original language description

    Pronounced climatic warming associated with the Late Weichselian Pleniglacial-to-Lateglacial transition caused considerable environmental changes throughout the former periglacial zones (in Europe ~53°–46°N). During permafrost degradation and subsequent ground subsidence (i.e. thermokarst processes), the landscape changed rapidly. In this study we investigated a flat mid-altitude area in south Bohemia, Czech Republic, lying close to the southern limit of the Weichselian permafrost. We discovered palaeo-lake basins with sedimentary infillings up to 11 m in depth. According to radiocarbon and palynostratigraphical dating, these basins were formed at the onset of the Late Pleniglacial-to-Lateglacial transition, whereas the smaller depressions were formed later. We suggest that the basins resulted from thermal and fluvio-thermal erosion of the former permafrost and represent remnants of discontinuous gullies and possibly collapsed frost mounds (pingo/lithalsa scars). The formation of this a fossil thermokarst landscape was climatically driven and multiple phased, with the major phase during the climatic warming and wetting at the onset of GI-1e (Bølling) and the minor phase during GI-1c (Allerød). This study enhances knowledge of the palaeogeography of the former European periglacial zone by showing that Late Pleistocene thermokarst activity could have had a significant impact on the evolution of the landscape of at least some regions of central Europe along the southern limit of the continuous permafrost zone. The research also points to a similar history for the physical transformation of the landscape of the former European periglacial zone and current thermokarst landscapes and could be a valuable source of information with respect to the future transformation of the Arctic under conditions of ongoing global warming.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    60102 - Archaeology

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Boreas

  • ISSN

    0300-9483

  • e-ISSN

  • Volume of the periodical

    48

  • Issue of the periodical within the volume

    4

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    18

  • Pages from-to

    988-1005

  • UT code for WoS article

    000487900900012

  • EID of the result in the Scopus database

    2-s2.0-85067446540