globalchange  > 气候减缓与适应
DOI: 10.1038/ngeo2602
论文题名:
Reduced sediment transport in the Yellow River due to anthropogenic changes
作者: Wang S.; Fu B.; Piao S.; Lü Y.; Ciais P.; Feng X.; Wang Y.
刊名: Nature Geoscience
ISSN: 17520894
出版年: 2016
卷: 9, 期:1
起始页码: 38
结束页码: 41
语种: 英语
Scopus关键词: anthropogenic effect ; climate change ; concentration (composition) ; dam construction ; discharge ; fluvial deposit ; human activity ; regional climate ; sediment transport ; sediment trap ; soil erosion ; China ; Loess Plateau ; Yellow River
英文摘要: The erosion, transport and redeposition of sediments shape the Earth's surface, and affect the structure and function of ecosystems and society. The Yellow River was once the world's largest carrier of fluvial sediment, but its sediment load has decreased by approximately 90% over the past 60 years. The decline in sediment load is due to changes in water discharge and sediment concentration, which are both influenced by regional climate change and human activities. Here we use an attribution approach to analyse 60 years of runoff and sediment load observations from the traverse of the Yellow River over China's Loess Plateau-the source of nearly 90% of its sediment load. We find that landscape engineering, terracing and the construction of check dams and reservoirs were the primary factors driving reduction in sediment load from the 1970s to 1990s, but large-scale vegetation restoration projects have also reduced soil erosion from the 1990s onwards. We suggest that, as the ability of existing dams and reservoirs to trap sediments declines in the future, erosion rates on the Loess Plateau will increasingly control the Yellow River's sediment load. © 2015 Macmillan Publishers Limited. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/106112
Appears in Collections:气候减缓与适应
科学计划与规划

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作者单位: State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China; Joint Center for Global Change Studies, Beijing, China; College of Urban and Environmental Sciences, Peking University, Beijing, China; Laboratory of Alpine Ecology and Biodiversity, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China; Laboratoire des Sciences du Climat et de l'Environnement, CEA CNRS UVSQ, Gif-sur-Yvette, France

Recommended Citation:
Wang S.,Fu B.,Piao S.,et al. Reduced sediment transport in the Yellow River due to anthropogenic changes[J]. Nature Geoscience,2016-01-01,9(1)
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