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    Geochemistry of rare earth elements in the mid-late Quaternary sediments of the western Philippine Sea and their paleoenvironmental significance
    Science China Earth Sciences (2014)
    Zhaokai XuTiegang LiShiming WanXue‐Bo YinFuqing JiangHanjie SunJinyong ChoiDhongil Lim
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    Keywords:
    Chronology
    δ18O
    East Asian Monsoon
    Topics:
    Geology and Paleoclimatology Research
    Geochemistry and Elemental Analysis
    Paleontology and Stratigraphy of Fossils
    Enriched East Asian oxygen isotope of precipitation indicates reduced summer seasonality in regional climate and westerlies
    Proceedings of the National Academy of Sciences (2020)
    John C. H. ChiangMichael J. HermanKei YoshimuraInez Fung
    Speleothem oxygen isotope records over East Asia reveal apparently large and rapid paleoclimate changes over the last several hundred thousand years. However, what the isotopic variation actually represent in terms of the regional climate and circulation is debated. We present an answer that emerges from an analysis of the interannual variation in amount-weighted annual δ18O of precipitation over East Asia as simulated by an isotope-enabled model constrained by large-scale atmospheric reanalysis fields. 18O-enriched years have reduced summer seasonality both in terms of precipitation isotopes and in the large-scale circulation. Changes occur between June and October, where the δ18O of precipitation (δ18Op) transitions from the isotopically heavier winter to the lighter summer regime. For 18O-enriched years, this transition is less pronounced. Variations in precipitation amount alone are insufficient to explain the amount-weighted annual δ18Op between 18O-enriched and 18O-depleted years. Reduced summer seasonality is also expressed in the low-level monsoonal southerlies and upper-level westerlies; for the latter, the northward migration across the Tibetan Plateau in the summer is less pronounced. Our result thus implicates the westerlies across the plateau as the proximate cause of East Asian paleomonsoon changes, manifested as a modulation of its summer peak.
    Westerlies
    δ18O
    Seasonality
    East Asian Monsoon
    Speleothem
    Atmospheric Circulation
    Paleoclimatology
    Citations (73)
    Characteristics of the East Asian summer monsoon in the South Sea of Korea during the Little Ice Age
    Quaternary International (2012)
    Gee Soo KongKyong-O KimSeong-Pil Kim
    Stalagmite
    δ18O
    East Asian Monsoon
    Ice core
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    Seasonal and interannual variability of the Mid-Holocene East Asian monsoon in coral δ18O records from the South China Sea
    Earth and Planetary Science Letters (2005)
    Donghuai SunMichael K. GaganHai ChengHeather Scott‐GaganC. A. Dykoski
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    East Asian Monsoon
    Porites
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    Asian-Australian monsoon evolution over the last millennium linked to ENSO in composite stalagmite δ18O records
    Quaternary Science Reviews (2022)
    Jian ZhangMing-Qiang LiangTing‐Yong LiChao‐Jun ChenJun‐Yun Li
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    East Asian Monsoon
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    Terrestrial carbonate oxygen isotopes constraints on the interplay between westerlies and monsoonal rains modulating the Cenozoic climate on the northeastern Tibetan Plateau
    Palaeogeography Palaeoclimatology Palaeoecology (2022)
    Yibo YangXiaomin FangWenxia HanYongli WangΑlbert Galy
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    East Asian Monsoon
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    Modulation of East Asian monsoon strength by ENSO during the warm periods of the late Holocene: Evidence from Porites corals in the northern South China Sea
    Global and Planetary Change (2023)
    Leilei JiangKefu YuShichen TaoWei JiangShaopeng Wang
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    East Asian Monsoon
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    East Asian monsoon changes early in the last deglaciation and insights into the interpretation of oxygen isotope changes in the Chinese stalagmite record
    Quaternary Science Reviews (2020)
    Yijia LiangKan ZhaoR. Lawrence EdwardsYongjin WangQingfeng Shao
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    East Asian Monsoon
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    High-resolution δ 18 O and δ 13 C records during the past 65 ka from Fengyu Cave in Guilin: Variation of monsoonal climates in south China
    Quaternary International (2016)
    Hong‐Chun LiMiryam Bar‐MatthewsYuan‐Pin ChangAvner AyalonDaoxian Yuan
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    Speleothem
    Deglaciation
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    Ice core
    East Asian Monsoon
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    Modern stalagmite oxygen isotopic composition and its implications of climatic change from a high-elevation cave in the eastern Qinghai-Tibet Plateau over the past 50 years
    Chinese Science Bulletin (2007)
    XunLin YangPingZhong ZhangFahu ChenChih-An HuhHong‐Chun Li
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    East Asian Summer Monsoon variations in the past 12.5ka: High-resolution δ18O record from a precisely dated aragonite stalagmite in central China
    Journal of Asian Earth Sciences (2013)
    Huiling ZhangKefu YuJian‐xin ZhaoYuexing FengYushi Lin
    Stalagmite
    δ18O
    East Asian Monsoon
    Speleothem
    Ice core
    Marine isotope stage
    Citations (72)