Two Millennia of Climate History for the Russian Altai: Integrated Reconstruction from Lake Sediment Data

IF 1.2 4区地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY

Russian Geology and Geophysics Pub Date : 2023-06-15 DOI:10.2113/rgg20234585

V. V. Babich, A. Daryin, N. Rudaya, T. Markovich

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Abstract

––A continuous history of annual air temperatures in the Russian Altai for the past 2000 years has been reconstructed for the first time by integrating climate archives stored in the bottom sediments of four lakes in Gorny Altai (Teletskoye, Kucherla, Lower Multa, and Middle Multa). The integrated chronology comprises all known climate events of the two milennia time span: Roman warm epoch (~200 to 500 AD), Dark Age cold epoch (~500 to 750 AD), medieval warming (~750 to 1300 AD), and Little Ice Age (~1300 to 1850 AD). The events distinguished in the integrated climate reconstruction agree perfectly in number and time with the events reconstructed from other climate proxies for the Altai and adjacent areas of West Siberia, Tyva, and West Mongolia. Therefore, the temperature patterns represent a common course of the 2000-year climate evolution over a large part of Central Asia. Similar synchronicity is observed with the available quantitative climate reconstructions for the Northern Hemisphere and its different regions. It means that the climate change in Central Asia over the past two millennia has followed the general global scenario.

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俄罗斯阿尔泰两千年气候史:湖泊沉积物资料的综合重建

通过整合戈尔尼阿尔泰四个湖泊(Teletskoye、Kucherla、Lower Multa和Middle Multa)底部沉积物中的气候档案，首次重建了俄罗斯阿尔泰地区过去2000年的连续年气温历史。综合年表包含了两千年时间跨度内所有已知的气候事件:罗马暖期(公元200 - 500年)、黑暗时期冷期(公元500 - 750年)、中世纪变暖期(公元750 - 1300年)和小冰期(公元1300 - 1850年)。综合气候重建的事件在数量和时间上与其他气候代用物重建的阿尔泰及邻近的西西伯利亚、提瓦和西蒙古地区的事件完全一致。因此，这些温度模式代表了中亚大部分地区2000年气候演变的共同过程。现有的北半球及其不同地区的定量气候重建也观察到类似的同步性。这意味着中亚地区在过去两千年的气候变化遵循了全球的总体情况。

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来源期刊

Russian Geology and Geophysics 地学-地球科学综合

CiteScore

2.00

自引率

18.20%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal publishes original reports of theoretical and methodological nature in the fields of geology, geophysics, and geochemistry, which contain data on composition and structure of the Earth''s crust and mantle, describes processes of formation and general regularities of commercial mineral occurrences, investigations on development and application of geological-geophysical methods for their revealing. As to works of regional nature, accelerated publication are available for original papers on a variety of problems of comparative geology taking into account specific character of Siberia, adjacent Asian countries and water areas. The journal will also publish reviews, critical articles, chronicle of the most important scientific events, and advertisements.