气候变化领域集成服务门户(CCPortal): Recent anthropogenic curtailing of Yellow River runoff and sediment load is unprecedented over the past 500 y

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DOI	10.1073/pnas.1922349117
	Recent anthropogenic curtailing of Yellow River runoff and sediment load is unprecedented over the past 500 y
	Liu Y.; Song H.; An Z.; Sun C.; Trouet V.; Cai Q.; Liu R.; Leavitt S.W.; Song Y.; Li Q.; Fang C.; Zhou W.; Yang Y.; Jin Z.; Wang Y.; Sun J.; Mu X.; Lei Y.; Wang L.; Li X.; Ren M.; Cui L.; Zeng X.
发表日期	2020
ISSN	0027-8424
起始页码	18251
结束页码	18257
卷号	117 期号:31
英文摘要	The Yellow River (YR) is the fifth-longest and the most sedimentladen river in the world. Frequent historical YR flooding events, however, have resulted in tremendous loss of life and property, whereas in recent decades YR runoff and sediment load have fallen sharply. To put these recent changes in a longer-term context, we reconstructed natural runoff for the middle reach of the YR back to 1492 CE using a network of 31 moisture-sensitive treering width chronologies. Prior to anthropogenic interference that started in the 1960s, the lowest natural runoff over the past 500 y occurred during 1926 to 1932 CE, a drought period that can serve as a benchmark for future planning of YR water allocation. Since the late 1980s, the low observed YR runoff has exceeded the natural range of runoff variability, a consequence of the combination of decreasing precipitation and increasing water consumption by direct and indirect human activities, particularly agricultural irrigation. This reduced runoff has resulted in an estimated 58% reduction of the sediment load in the upper reach of the YR and 29% reduction in the middle reach. © 2020 National Academy of Sciences. All rights reserved.
英文关键词	Runoff reconstruction; Sediment load; Tree rings; Water consumption; Yellow river
语种	英语
scopus关键词	Article; benchmarking; chronology; fluid intake; human; irrigation (agriculture); moisture; physical activity; precipitation; priority journal; river; runoff; sediment; China; environmental monitoring; human activities; river; theoretical model; water flow; water pollutant; China; Environmental Monitoring; Geologic Sediments; Human Activities; Humans; Models, Theoretical; Rivers; Water Movements; Water Pollutants, Chemical
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/159025
作者单位	Liu, Y., State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, 710061, China, Cas Center for Excellence in Quaternary Science and Global Change, Chinese Academy of Sciences, Xi'an, 710061, China, Pilot National Laboratory for Marine Science and Technology, Open Studio for Oceanic-Continental Climate and Environment Changes, Qingdao, 266061, China, School of Human Settlements and Civil Engineering, Xi'an Jiaotong University, Xi'an, 710049, China; Song, H., State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, 710061, China, Cas Center for Excellence in Quaternary Science and Global Change, Chinese Academy of Sciences, Xi'an, 710061, China, Interdisciplinary Research Center of Earth Science Frontier, Beijing Normal University, Beijing, 100875, China; An, Z., State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi...
推荐引用方式 GB/T 7714	Liu Y.,Song H.,An Z.,et al. Recent anthropogenic curtailing of Yellow River runoff and sediment load is unprecedented over the past 500 y[J],2020,117(31).
APA	Liu Y..,Song H..,An Z..,Sun C..,Trouet V..,...&Zeng X..(2020).Recent anthropogenic curtailing of Yellow River runoff and sediment load is unprecedented over the past 500 y.Proceedings of the National Academy of Sciences of the United States of America,117(31).
MLA	Liu Y.,et al."Recent anthropogenic curtailing of Yellow River runoff and sediment load is unprecedented over the past 500 y".Proceedings of the National Academy of Sciences of the United States of America 117.31(2020).