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Paleoclimatic reconstruction in the Tatra Mountains of the western Carpathians during MIS 9–7 inferred from a multiproxy speleothem record
Quaternary Research ( IF 2.3 ) Pub Date : 2020-09-11 , DOI: 10.1017/qua.2020.69
Marcin Błaszczyk , Helena Hercman , Jacek Pawlak , Jacek Szczygieł

The SC-3 speleothem from Szczelina Chochołowska Cave, located in the Tatra Mountains, was studied in detail. U-series dating and age–depth modeling allowed us to constrain the period of speleothem growth to between approximately 330 and 200 ka, that is, during Marine Isotope Stages (MIS) 9–7. The complementary use of stable isotope analyses, petrographic studies, and trace element analyses allowed the identification of warm and wet climatic conditions that were favorable for speleothem growth during MIS 9e and MIS 9c. Unfavorable climatic periods included the cold glacial conditions of MIS 8 and the MIS 9/MIS 8 transition. The breaks in the growth of the SC-3 stalagmite were most likely connected with a reduction in precipitation in MIS 9a and extreme hydrologic events during MIS 8. Comparisons with other European records suggest that the climatic variability recorded in the speleothem from the Tatra Mountains is not only a record of local environmental conditions but can also be linked to European climatic patterns during both interglacial and glacial intervals. This makes our study the northernmost paleoclimatic record for the whole Carpathian range and one of the very few records from those periods worldwide.

中文翻译:

MIS 9-7期间喀尔巴阡山脉西部塔特拉山脉的古气候重建从multiproxy speleothem记录推断

详细研究了位于塔特拉山脉的 Szczelina Chochołowska 洞穴的 SC-3 洞穴。U 系列测年和年龄深度建模使我们能够将 speleothem 的生长周期限制在大约 330 到 200 ka 之间,即在海洋同位素阶段 (MIS) 9-7 期间。稳定同位素分析、岩相学研究和微量元素分析的补充使用,可以确定在 MIS 9e 和 MIS 9c 期间有利于 speleothem 生长的温暖和潮湿气候条件。不利的气候时期包括 MIS 8 的寒冷冰川条件和 MIS 9/MIS 8 过渡。SC-3 石笋生长的中断很可能与 MIS 9a 的降水减少和 MIS 8 期间的极端水文事件有关。与其他欧洲记录的比较表明,在塔特拉山脉的 speleothem 中记录的气候变化不仅是当地环境条件的记录,而且还可以与间冰期和冰期期间的欧洲气候模式联系起来。这使得我们的研究成为整个喀尔巴阡山脉最北端的古气候记录,也是全球这些时期为数不多的记录之一。
更新日期:2020-09-11
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