世界大河水沙通量变化趋势研究（英文）

作     者：李莉 倪晋仁 常方 岳遥 Natalia Frolova Dmitry Magritsky Alistair GLBorthwick Philippe Ciais 王易初 郑春苗 Desmond E.Walling Li Li;Jinren Ni;Fang Chang;Yao Yue;Natalia Frolova;Dmitry Magritsky;Alistair GLBorthwick;Philippe Ciais;Yichu Wang;Chunmiao Zheng;Desmond E.Walling

作者机构：Key Laboratory of Water and Sediment Sciences Ministry of Education College of Environmental Sciences and Engineering Peking University Beijing 100871 China State Key Laboratory of Water Resources and Hydropower Engineering Science School of Water Resources and Hydropower Engineering Wuhan University Wuhan 430072 China Department of Hydrology Faculty of Geography Moscow State University Moscow 119991 Russia Institute of Infrastructure and Environment School of Engineering The University of Edinburgh The King’s Buildings Edinburgh EH9 3JL UK Laboratoire des Sciences du Climat et de l’Environnement IPSL CEA CNRS UVSQ Gif-sur-Yvette 91191 France Beijing Innovation Center-Engineering Science & Advanced Technology Peking University Beijing 100871 China School of Environmental Science and Engineering Southern University of Science and Technology Shenzhen 518055 China Department of Geography College of Life and Environmental Sciences University of Exeter Exeter EX4 4RJ UK 

出 版 物：《Science Bulletin》 (科学通报（英文版）)

年 卷 期：2020年第65卷第1期

页      面：62-69,M0004页

核心收录：

学科分类：08[工学] 081501[工学-水文学及水资源] 0815[工学-水利工程] 

基　　金：supported by the National Natural Science Foundation of China (51721006 and 91647211) 

主　　题：Water and sediment Global trend Co-varying pattern Cause Large river 

摘      要：河流水沙运动是地球化学循环的重要驱动力.本研究基于全球变化背景下的长序列水沙资料,对4307条世界大河(流域面积≥1000 km^2)水-沙通量的9种变化趋势及其成因进行了系统研究.结果表明,全球24%的大河呈现显著的径流变化,但年入海通量基本保持稳定;40%的大河呈现显著的泥沙通量变化,年入海通量下降20.8%;其中,亚洲大型河流的水沙通量下降趋势及南美亚马逊河的悬移质浓度上升趋势尤为突出.总体上,71%的世界大河径流变化与降水密切相关,而泥沙通量变化受大坝运行和灌溉等人类活动影响较大.