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Abrupt and moderate climate changes in the mid-latitudes of Asia during the Holocene
Aizen, EM (Aizen, Elena M.)1; Aizen, VB (Aizen, Vladimir B.)1; Takeuchi, N (Takeuchi, Nozomu)2; Mayewski, PA (Mayewski, Paul A.)3; Grigholm, B (Grigholm, Bjorn)3; Joswiak, DR (Joswiak, Daniel R.)4; Nikitin, SA (Nikitin, Stanislav A.)5; Fujita, K (Fujita, Koji)6; Nakawo, M (Nakawo, Masayoshi)7; Zapf, A (Zapf, Alexander); Schwikowski, M (Schwikowski, Margit)8,9; Aizen, EM
Source PublicationJOURNAL OF GLACIOLOGY
2016
Volume62Issue:233Pages:411-439
DOI10.1017/jog.2016.34
AbstractA multiple parameter dating technique was used to establish a depth/age scale for a 171.3 m (145.87 m w.e.) surface to bedrock ice core (Bl2003) recovered from the cold recrystallization accumulation zone of the Western Belukha Plateau (4115 m a.s.l.) in the Siberian Altai Mountains. The ice-core record presented visible layering of annual accumulation and of delta O-18/delta D stable isotopes, and a clear tritium reference horizon. A steady-state glacier flow model for layer thinning was calibrated and applied to establish a depth/age scale. Four radiocarbon (C-14) measurements of particulate organic carbon contained in ice-core samples revealed dates for the bottom part of Bl2003 from 9075 +/- 1221 cal a BC at 145.2 +/- 0.1 m w.e. (0.665 m w.e. from the bedrock) to 790 +/- 93 AD at 121.1 m w.e. depth. Sulfate peaks coincident with volcanic eruptions, the Tunguska meteorite event, and the 1842 dust storm were used to verify dating. Analysis of the Bl2003 ice core reveals that the modern Altai glaciers were formed during the Younger Dryas (YD) (similar to 10 950 to similar to 7500 cal a BC), and that they survived the Holocene Climate Optimum (HCO) (similar to 6500 to similar to 3600 cal a BC) and the Medieval Warm Period (MWP) (similar to 640 to similar to 1100 AD). A decrease in air temperature at the beginning and an abrupt increase at the end of the YD were identified. Intensification of winds and dust loading related to Asian desert expansion also characterized the YD. During the YD major ion concentrations increased significantly, up to 50 times for Na+ (background), up to 45 times for Ca2+ and Mg2+, and up to 20 times for SO42- relative to the recent warm period from 1993 to 2003. A warm period lasted for about three centuries following the YD signaling onset of the HCO. A significant and prolonged decrease in air temperature from similar to 2000 to similar to 600 cal a BC was associated with a severe centennial drought (SCD). A sharp increase in air temperatures after the SCD was coincident with the MWP. After the MWP a cooling was followed gradually with further onset of the Little Ice Age. During the modern warm period (1973-2003) an increase in air temperature is noted, which nearly reaches the average of HCO and MWP air temperature values.
Subject Area自然地理学
WOS IDWOS:000381452400001
Language英语
Indexed BySCI
KeywordGreenland Ice Core Tibetan Plateau Younger-dryas Tien-shan Atmospheric Circulation Siberian Altai Snow Accumulation Lake Teletskoye Last Millennium Belukha Glacier
Cooperation Status国际
Department环境
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/7858
Collection图书馆
Corresponding AuthorAizen, EM
Affiliation1.Univ Idaho, Dept Geog, Moscow, ID 83844 USA
2.Chiba Univ, Grad Sch Sci, Dept Earth Sci, Chiba 2838522, Japan
3.Univ Maine, Climate Change Inst, Sawyer Environm Res Ctr 133, Orono, ME 04469 USA
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China
5.Tomsk State Univ, Dept Glacioclimatol, Tomsk 634050, Russia
6.Nagoya Univ, Grad Sch Environm Studies, Nagoya, Aichi 4648601, Japan
7.Res Inst Humanity & Nat, Kamigyo Ku, 335 Takashima Cho, Kyoto 6020878, Japan
8.Paul Scherrer Inst, CH-5232 Villigen, Switzerland
9.Univ Bern, Oeschger Ctr Climate Change Res, Bern, Switzerland
Recommended Citation
GB/T 7714
Aizen, EM ,Aizen, VB ,Takeuchi, N ,et al. Abrupt and moderate climate changes in the mid-latitudes of Asia during the Holocene[J]. JOURNAL OF GLACIOLOGY,2016,62(233):411-439.
APA Aizen, EM .,Aizen, VB .,Takeuchi, N .,Mayewski, PA .,Grigholm, B .,...&Aizen, EM.(2016).Abrupt and moderate climate changes in the mid-latitudes of Asia during the Holocene.JOURNAL OF GLACIOLOGY,62(233),411-439.
MLA Aizen, EM ,et al."Abrupt and moderate climate changes in the mid-latitudes of Asia during the Holocene".JOURNAL OF GLACIOLOGY 62.233(2016):411-439.
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