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Lake Bayan nuur, BN-2016 sequence age and parameter measurements dataset (since ~14 ka BP)
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Key words Lake Bayan nuur, BN-2016 sequence
Related data Paleoclimate records currently lack sufficient geographic detail to understand the spatiotemporal evolution of East Asian Summer Monsoon (EASM) rain belt since the late Pleistocene. In particular, there is no consensus on whether the EASM rain belt reached its modern northern limit by the early Holocene. Here, we present inferred moisture variations from a multi-parameter, absolute-dated lacustrine-eolian sequence from northern China that date back to the late Pleistocene (~14 ka BP or thousand years ago). We observed a sharp transition towards wet conditions at the onset of the Holocene Epoch. Maximum wet climate occurred here during ~11.3-8.5 ka. The climate remained predominantly wet until ~4.2 ka, then it became progressively drier. We observed alternating organic-rich, fine-grained lake deposits and organic-depleted, coarse-grained eolian sand layers during ~14-7 ka. These layers correspond to sedimentation associated with the Aller?d, Younger Dryas (YD), post YD warming, pre-Boreal oscillation (PBO), early Holocene and 8.2 ka event. We interpreted the orbital scale moisture variation at our study site to the changes in insolation, assigning these abrupt and short-lived changes during the late Pleistocene-Holocene transition to a persistent teleconnection between the North Atlantic and east Asian climate zones.
Data description a. Description of Intellectual Property Rights When using a dataset, please refer to the following documents in the article: Ming, G., Zhou, W., Wang, H., Cheng, P., Shu, P., Xian, F., & Fu, Y. 2020. Moisture variations in Lacustrine-eolian sequence from the Hunshandake sandy land associated with the East Asian Summer Monsoon changes since the late Pleistocene. Quaternary Science Reviews, 233, 106210. doi:10.1016/j.quascirev.2020.106210 b. The data labels refer to the following specifications: Data sources refer to the following specifications: Chinese Expression: 数据来源于国家科技资源共享服务平台-国家地球系统科学数据中心(http://www.geodata.cn)-东亚古环境科学数据库(http://paleodata.ieecas.cn/index.aspx); English Expression: East Asian Paleoenvironmental Science Database (http://paleodata.ieecas.cn/index.aspx),National Earth System Science Data Center, National Science & Technology Infrastructure of China (http://www.geodata.cn). Acknowledgments refer to the following specifications: Acknowledgments in Chinese: 感谢国家科技资源共享服务平台-国家地球系统科学数据中心(http://www.geodata.cn)-东亚古环境科学数据库(http://paleodata.ieecas.cn/index.aspx)提供数据支撑。 Acknowledgments in English: Acknowledgement for the data support from “East Asian Paleoenvironmental Science Database (http://paleodata.ieecas.cn/index.aspx),National Earth System Science Data Center, National Science & Technology Infrastructure of China. (http://www.geodata.cn)”. c. Contacts Name: Weijian Zhou, Guodong Ming et al. & Data processing group Company: Institute of Earth Environment, Chinese Academy of Sciences Tel: 029-62336213 Email: eapsd@ieecas.cn
Dataset format EXCEL
Data type Aeolian and lacustrine sediments/Aeolian sediments/Aeolian sediments
Data sources authors supply
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Name:Dr. Hongli Zhao E-mail:zhaohl@ieecas.cn
Company:IEECAS Telephone:029-62336213
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