白俄罗斯高原间冰期植物群的古人类学和古气候研究

Heorhi I. Litviniuk
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引用次数: 0

摘要

Muravian间冰期是最接近我们时代的最后一个温暖的时间跨度,也是白俄罗斯第四纪沉积物复杂组成层中的标志性层位之一。对穆拉维亚矿床的研究,以及对当时存在的古地理条件的阐明,可以预测我们星球未来的气候变化。在分析作者在研究白俄罗斯高地范围内的参考剖面中获得的反映穆拉维亚间冰期最佳阶段的古生物化石材料的基础上,对化石植物群的组成进行了简要分析,确定了它们的形成条件,并在获得的材料的基础上进行了古气候重建。所获得的数据表明,在白俄罗斯高地地区穆拉维亚间冰期的最佳时期,东部地区7月的平均温度为+17.0至+24.0°С,格罗德诺高地7月的温度为+11.7至+21.2°С。1月份的平均温度范围为+2.0…+7.0至-3.0…-7.2ºC。所获得的结果与其他方法的数据,特别是基于化石花粉和孢子研究的孢粉学分析的数据相一致。根据白俄罗斯领土的现代气候指标,穆拉维亚间冰期最佳时期的气候比目前至少温暖几度,冬季也要温和得多。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Palaeocarpological and palaeoclimatic studies of the murtic interglacial flora of the Belarusian upland
The Muravian interglacial horizon is the last warm period of time span closest to our time, as well as one of the marking horizons in the complex composed layer of Quaternary deposits in Belarus. The study of the Muravian deposits, as well as an elucidation of the paleogeographic conditions that existed at that time, can make it possible to predict climate changes on our planet in the future. Based on the analysis of palaeocarpological materials obtained by the author in the study of reference sections located within the territory of the Belarusian upland and reflecting the optimal phases of the Muravian interglacial, a brief analysis of the composition of fossil floras is carried out, the conditions for their formation are established, and paleoclimatic reconstructions were performed on the basis of the obtained materials. The data obtained indicate that the average July temperatures at the optimum of the Muravian interglacial on the territory of the Belarusian upland were +17.0 till +24.0 °С for the eastern regions and +17.0 till +21.2 °С for the Grodno upland. The average January temperature ranged from +2.0...+7.0 to –3.0...–7.2 ºC. The results obtained are in good agreement with the data of other methods, in particular, palynological analysis based on the study of fossil pollen and spores. In accordance with the modern climatic indicators of the territory of Belarus, the climate at the optimum of the Muravian interglacial was at least several degrees warmer than the current one, and the winters were much milder.
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