[1]李怡颖,范继辉*,廖 莹.近60年来嘉陵江流域水沙变化特征[J].山地学报,2020,(03):339-348.[doi:10.16089/j.cnki.1008-2786.000514]
 LI Yiying,FAN Jihui*,LIAO Ying.Variation Characteristics of Streamflow and Sediment in the Jialing River Basin in the Past 60 Years, China[J].Mountain Research,2020,(03):339-348.[doi:10.16089/j.cnki.1008-2786.000514]
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近60年来嘉陵江流域水沙变化特征()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2020年03期
页码:
339-348
栏目:
山地环境
出版日期:
2020-05-30

文章信息/Info

Title:
Variation Characteristics of Streamflow and Sediment in the Jialing River Basin in the Past 60 Years, China
文章编号:
1008-2786-(2020)3-339-10
作者:
李怡颖12范继辉1*廖 莹12
1.中国科学院、水利部成都山地灾害与环境研究所 山地表生过程与生态调控重点实验室,成都610041; 2.中国科学院大学,北京100049
Author(s):
LI Yiying12 FAN Jihui1* LIAO Ying12
1. Key Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China; 2. University of Chinese Academy of Sciences, Beijing 100049, China
关键词:
径流量 输沙量 变化特征 影响因素 嘉陵江
分类号:
P333.4
DOI:
10.16089/j.cnki.1008-2786.000514
文献标志码:
A
摘要:
嘉陵江是长江上游流量较大的一条支流,也是三峡水库重要的泥沙来源地,近年来,流域内产流产沙规律均发生了显著变化。本文基于Spearman相关分析、Mann-Kendall检验等方法,分析了北碚站1954—2017年间径流、泥沙序列变化特征,并结合气象要素、人类活动情况等讨论了主要影响因素。结果表明:(1)近60年来嘉陵江流域径流量呈微弱下降趋势,而输沙量呈大幅度下降趋势,近几年来的输沙量延续了前50年的下降趋势;(2)径流量分别在1967年和1985年发生突变,输沙量在1968年发生突变(p<0.05);(3)降水主要影响嘉陵江流域径流量变化,而生态工程建设、水利工程运行等人类活动是输沙量减少的主要因素,在减沙贡献中,水利工程的减沙效益大于生态工程。本文的研究结果对于防洪、河道整治和河流管理具有指导意义。

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相似文献/References:

[1]时兴合,秦宁生,许维俊,等.1956~2004年长江源区河川径流量的变化特征[J].山地学报,2007,(05):513.

备注/Memo

备注/Memo:
收稿日期(Received date):2019-08-28; 改回日期(Accepted date):2020-05-14
基金项目(Foundation item):中科院山地所“一三五”重点培育方向性项目(SDS-135-1702); 国家自然科学基金项目(41871072)。[The 135 Strategic Program of the IMHE, CAS(SDS-135-1702); National Natural Science Foundation of China(41871072)]
作者简介(Biography):李怡颖(1996-),女,云南曲靖人,硕士生,主要研究方向:生态水文水资源。[LI Yiying(1996-), female, born in Qujing, Yunnan province, M.Sc. candidate, research on ecological hydrology and water resources] E-mail:liyiiying18@mails.ucas.ac.cn
*通讯作者(Corresponding author):范继辉(1980-),男,河南开封人,博士,副研究员,主要研究方向:生态水文学和水文水资源。[FAN Jihui(1980-), male, born in Kaifeng, Henan province, Ph.D., associate professor, research on ecological hydrology and water resource] E-mail: jhfan@imde.ac.cn
更新日期/Last Update: 2020-05-30