气候变化领域集成服务门户(CCPortal): Mid-late Holocene maar lake-mire transition in northeast China triggered by hydroclimatic variability

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DOI	10.1016/j.quascirev.2019.07.027
	Mid-late Holocene maar lake-mire transition in northeast China triggered by hydroclimatic variability
	Zhang M.; Bu Z.; Jiang M.; Wang S.; Liu S.; Jin Q.; Shi P.
发表日期	2019
ISSN	0277-3791
起始页码	215
结束页码	229
卷号	220
英文摘要	The density of maar lake type peatlands in the Changbai Mountain areas, northeast (NE) China is among the highest in the world. These deposition systems include both peat and limnic deposits, providing valuable sites to study their evolutionary history shaped by their sensitivity to climate-forced state shifts. To investigate the maar lake-mire shift in response to hydroclimatic variability, we examined developmental history of the Jinchuan peatland based on sedimentary facies, grain-size, physical and chemical properites, plant macrofossils and peat basal age. The results indicate that the Jinchuan peatland mainly originated from paludification in a maar lake from approximately 7000 cal. BP. Its water level continuously increased since the Middle Holocene, reaching the peak during the period of 5000–4000 cal. yr BP. The outward expansions of Jinchuan peatland suggest a climate–driven model based on which water level variability superimposes the underlying basin morphology. The hydroclimatic variability and peatland development history can be divided into three periods. From 12 to 7 ka cal. BP, the increasing East Asian summer monsoon (EASM) was the major water vapor source of Jinchuan peatland. The strong evaporation effects induced by the strong Winter Asian winter monsoon (WAWM) and the maximum sea surface temperatures (SSTs) of Japan Sea might have changed the Jinchuan maar lake into dry upland. From 7 to 4 ka cal. BP, the maximum EASM and increasing Westerly jet (WJ) provided water vapor for the peatland. The decreasing EAWM and SSTs of Japan Sea resulted in decreased evaporation effects. The moisture and water level in Jinchuan peatland gradually increased. The peat covered 68.97% of the area during this period. Since 4 ka cal. BP, the decreased EASM and the maximum WJ provided water vapor for the Jinchuan peatland. The weak EAWM and the lower SSTs of Japan Sea induced lower evaporation effects. The moisture and water level in the peatland reached the maximum. Subsequently, peat area further expanded and covered the remaining 31.03% area. This study reveals a remarkable link between the maar lake-mire shift and hydroclimatic variability, which is significant for future prediction of maar lake-mire ecosystem shifts under global climate change. © 2019 Elsevier Ltd
英文关键词	Hydroclimatic variability; Lake-mire ecosystem shift; Maar lake; Mid-late Holocene; Northeast China
语种	英语
scopus关键词	Atmospheric thermodynamics; Climate change; Climate models; Ecosystems; Evaporation; Lakes; Moisture; Morphology; Oceanography; Peat; Water levels; Water vapor; Asian winter monsoons; East Asian summer monsoon; Evolutionary history; Global climate changes; Hydroclimatic variability; Late Holocene; Northeast China; Sea surface temperatures; Wetlands; climate change; climate forcing; climate modeling; climate variation; global climate; Holocene; hydrometeorology; lake ecosystem; paludification; peatland; sea surface temperature; Baekdu Mountain; Changbai Mountains; China; Jinchuan [Sichuan]; Pacific Ocean; Sea of Japan; Sichuan
来源期刊	Quaternary Science Reviews
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/151801
作者单位	Key Laboratory of Geographical Processes and Ecological Security in Changbai Mountains, Ministry of Education, School of Geographical Sciences, Northeast Normal University, Changchun, 130024, China; Shandong Key Laboratory of Depositional Mineralization & Sedimentary Mineral, Shandong University of Science and Technology, Qingdao, 266590, China; State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, Institute for Peat and Mire Research, Northeast Normal University, Changchun, 130024, China; Jilin Provincial Key Laboratory for Wetland Ecological Processes and Environmental Change in the Changbai Mountains, Changchun, 130024, China; Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun, 130102, China
推荐引用方式 GB/T 7714	Zhang M.,Bu Z.,Jiang M.,et al. Mid-late Holocene maar lake-mire transition in northeast China triggered by hydroclimatic variability[J],2019,220.
APA	Zhang M..,Bu Z..,Jiang M..,Wang S..,Liu S..,...&Shi P..(2019).Mid-late Holocene maar lake-mire transition in northeast China triggered by hydroclimatic variability.Quaternary Science Reviews,220.
MLA	Zhang M.,et al."Mid-late Holocene maar lake-mire transition in northeast China triggered by hydroclimatic variability".Quaternary Science Reviews 220(2019).