[1]韩 丽,宋克超,张文江*,等.长江源头流域水文要素时空变化及对气候因子的响应[J].山地学报,2017,(02):129-141.[doi:10.16089/j.cnki.1008-2786.000205]
 HAN Li,SONG Kechao,ZHANG Wenjiang*,et al.Temporal and Spatial Variations of Hydrological Factors in the Source Area of the Yangtze River and Its Responses to Climate Change[J].Mountain Research,2017,(02):129-141.[doi:10.16089/j.cnki.1008-2786.000205]
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长江源头流域水文要素时空变化及对气候因子的响应()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2017年02期
页码:
129-141
栏目:
山地生态环境
出版日期:
2017-03-30

文章信息/Info

Title:
Temporal and Spatial Variations of Hydrological Factors in the Source Area of the Yangtze River and Its Responses to Climate Change
文章编号:
1008-2786-(2017)2-129-13
作者:
韩 丽宋克超张文江*刘 俐蒋蕙如
四川大学 水利水电学院,四川 成都,610065
Author(s):
HAN LiSONG KechaoZHANG Wenjiang*LIU LiJIANG Huiru
College of Water Resources and Hydropower,Sichuan University,Chengdu 610064,Sichuan,China
关键词:
水文过程时空特征气候变化水文模型长江源
分类号:
P941.77
DOI:
10.16089/j.cnki.1008-2786.000205
文献标志码:
A
摘要:
长江源区位于青藏高原腹地,其水文过程空间异质性强、对气候变化敏感,但其水文要素的时空特征尚不太清楚。本文结合站点和同化气象要素资料,采用寒区水文模型(CRHM)模拟了1979—2012年间长江源沱沱河、楚玛尔河和当曲流域的汛期水文过程,据此分析了其汛期水文要素的时空变化特性,解析了水文要素对气候因子的响应。结果表明:(1)沱沱河、楚玛尔河和当曲三子流域的汛期径流深度与系数具有显著的空间差异,依次分别为:56.4mm和0.20、7.1mm和0.03、152.0mm和0.41,呈南多北少的空间规律,与降水分布基本一致;(2)1979—2012年间,长江源区径流深与降水显著相关,表明源区水文过程对降水变化敏感(R>0.54,p<0.01);(3)唐古拉山地区的汛期产流量深明显高于周围地区,并表现出对降水的敏感响应(R>0.95,p<0.01),而当曲流域沼泽湿地则为蒸散发高值区。本研究阐明了长江源头流域汛期水文要素空间特征及时间变化,并表明了水文过程的气候敏感性及其空间差异,这在长江源区的气候变化响应分析中应予以充分考虑。

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备注/Memo

备注/Memo:
基金项目(Foundation item):国家自然科学基金面上项目(41471084)[National Natural Science Foundation of China General Program(41471084)]
作者简介(Biography):韩丽(1992-,女,汉族,甘肃白银人,硕士研究生,水文模型与水文气候变化研究。[Li Han(1992-), female, born in Baiyin, Gansu province, M.Sc. candidate, mainly engaged in hydrological modeling, hydrology and climate change] E-mail: 2013223060034@stu.scu.edu.cn
*通信作者(Corresponding author): 张文江(1976-),男,博士,副教授,主要研究方向:高寒生态水文。[Wenjiang Zhang(1976-), male, Ph.D., associate professor, specialized in Alpine ecological hydrology] E-mail: zhang_wj@scu.edu.cn
更新日期/Last Update: 2017-03-30