Preprints
https://doi.org/10.5194/cp-2020-125
https://doi.org/10.5194/cp-2020-125

  26 Oct 2020

26 Oct 2020

Review status: a revised version of this preprint was accepted for the journal CP and is expected to appear here in due course.

Speleothem oxygen record – thermal or moisture changes proxy? A case study of multiproxy record from MIS 5/MIS 6 age speleothems from Demänová Cave System

Jacek Pawlak Jacek Pawlak
  • Institute of Geological Sciences, Polish Academy of Sciences, Warsaw, Poland 00-818

Abstract. The speleothems are an important source of paleoclimatic information in the land environment. The basic advantages of speleothems are the high potential of preservation; the possibility of precise dating by the U-series method; many different proxies like stable isotopes, trace elements, and microfabric which can be interpreted in the term of paleoclimate. The JS9 stalagmite was collected in Demänová Cave System (Slovakia). Presently this region of Europe is under influence of transitional and continental climate. However, in the past, it could be under stronger influence of the continental climate during cold glacial episodes and under wetter transitional climate during interglacial. The multiproxy record of the JS9 stalagmite represents ca. 60 ka period (143–83 ka). The multiproxy interpretation of the JS9 record shows that long time tendencies of δ18O have thermal nature while the short time δ18O signal reflects changes in humidity. In opposition to the records from the Alps and the northern Tatra mountains, the δ18O record of JS9 has instant decrease episodes during Termination II.

Jacek Pawlak

 
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Status: closed
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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement

Jacek Pawlak

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Speleothem oxygen record - thermal or moisture changes proxy? A case study of multiproxy record from MIS 5/MIS 6 age speleothems from Demänová Cave System. Jacek Pawlak https://doi.org/10.6084/m9.figshare.13116506

Jacek Pawlak

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Short summary
Presently, central Europe is under the influence of two types of climate, transitional and continental. The 60 ka long multiproxy speleothem data from Slovakia records the climate of the Last Interglacial cycle and its transition to Last Glacial. The interpretation of stable isotopic composition and trace element content proxies helps to distinguish which factor had the strongest influence on δ18O record shape: the local temperature, humidity, or source effect.