气候变化领域集成服务门户(CCPortal): Widespread global peatland establishment and persistence over the last 130;000 y

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DOI	10.1073/pnas.1813305116
	Widespread global peatland establishment and persistence over the last 130;000 y
	Treat C.C.; Kleinen T.; Broothaerts N.; Dalton A.S.; Dommaine R.; Douglas T.A.; Drexler J.Z.; Finkelstein S.A.; Grosse G.; Hope G.; Hutchings J.; Jones M.C.; Kuhry P.; Lacourse T.; Lähteenoja O.; Loisel J.; Notebaert B.; Payne R.J.; Peteet D.M.; Sannel A.B.K.; Stelling J.M.; Strauss J.; Swindles G.T.; Talbot J.; Tarnocai C.; Verstraeten G.; Williams C.J.; Xia Z.; Yu Z.; Väliranta M.; Hättestrand M.; Alexanderson H.; Brovkin V.
发表日期	2019
ISSN	0027-8424
起始页码	4822
结束页码	4827
卷号	116 期号:11
英文摘要	Glacial-interglacial variations in CO 2 and methane in polar ice cores have been attributed, in part, to changes in global wetland extent, but the wetland distribution before the Last Glacial Maximum (LGM, 21 ka to 18 ka) remains virtually unknown. We present a study of global peatland extent and carbon (C) stocks through the last glacial cycle (130 ka to present) using a newly compiled database of 1,063 detailed stratigraphic records of peat deposits buried by mineral sediments, as well as a global peatland model. Quantitative agreement between modeling and observations shows extensive peat accumulation before the LGM in northern latitudes (>40 ° N), particularly during warmer periods including the last interglacial (130 ka to 116 ka, MIS 5e) and the interstadial (57 ka to 29 ka, MIS 3). During cooling periods of glacial advance and permafrost formation, the burial of northern peatlands by glaciers and mineral sediments decreased active peatland extent, thickness, and modeled C stocks by 70 to 90% from warmer times. Tropical peatland extent and C stocks show little temporal variation throughout the study period. While the increased burial of northern peats was correlated with cooling periods, the burial of tropical peat was predominately driven by changes in sea level and regional hydrology. Peat burial by mineral sediments represents a mechanism for long-term terrestrial C storage in the Earth system. These results show that northern peatlands accumulate significant C stocks during warmer times, indicating their potential for C sequestration during the warming Anthropocene. © 2019 National Academy of Sciences. All Rights Reserved.
英文关键词	Carbon; Carbon burial; Methane; Peatlands; Quaternary
语种	英语
scopus关键词	carbon; Article; data base; environmental temperature; glaciation; model; observational method; peatland; permafrost; priority journal; quantitative analysis; seasonal variation; sediment
来源期刊	Proceedings of the National Academy of Sciences of the United States of America
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/159044
作者单位	Treat, C.C., Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio, 70211, Finland, Land in the Earth System, Max Planck Institute for Meteorology, Hamburg, 20146, Germany; Kleinen, T., Land in the Earth System, Max Planck Institute for Meteorology, Hamburg, 20146, Germany; Broothaerts, N., Department of Earth and Environmental Sciences, Division of Geography and Tourism, KU Leuven, Leuven, B-3001, Belgium; Dalton, A.S., Department of Earth Sciences, University of Toronto, Toronto, ON M5S 3B1, Canada; Dommaine, R., Institute of Geosciences, University of Potsdam, Potsdam, 14476, Germany, Department of Anthropology, Smithsonian Institution, National Museum of Natural History, Washington, DC 20560, United States; Douglas, T.A., Biogeochemical Sciences Branch, US Army Cold Regions Research and Engineering Laboratory, Fort Wainwright, AK 99703, United States; Drexler, J.Z., California Water Science Center, U.S. Geological Survey, Sacramento, CA 95819, United States; Fi...
推荐引用方式 GB/T 7714	Treat C.C.,Kleinen T.,Broothaerts N.,et al. Widespread global peatland establishment and persistence over the last 130;000 y[J],2019,116(11).
APA	Treat C.C..,Kleinen T..,Broothaerts N..,Dalton A.S..,Dommaine R..,...&Brovkin V..(2019).Widespread global peatland establishment and persistence over the last 130;000 y.Proceedings of the National Academy of Sciences of the United States of America,116(11).
MLA	Treat C.C.,et al."Widespread global peatland establishment and persistence over the last 130;000 y".Proceedings of the National Academy of Sciences of the United States of America 116.11(2019).