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Variation in annual runoff of the Wudinghe River as influenced by climate change and human activity
Xu, Jiongxin
2011-11-15
Source PublicationQUATERNARY INTERNATIONAL
Volume244Issue:2Pages:230-237
AbstractResponse of river runoff to climate change and human activity is an important issue in hydrological sciences. Considering the Wudinghe River, a tributary of the middle Yellow River, a study has been made on the influence of climate change and human activity on annual runoff. Both the measured and natural annual runoffs showed a decreasing trend, and the areas of four types of soil and water conservation measures and water diversion increased. A comparison between the "base-line" period (1956-1971) and the "measure" period indicates that, for the former period, 78.6% and 72.9% of variations in the measured annual runoff and natural runoff respectively can be explained by variation in annual precipitation; but for the latter period, they lowered to 42.5% and 50.2%, indicating that after soil and water conservation measures, the control of precipitation on runoff generation became much weaker. There were close negative correlations between annual runoff and the areas of four types of soil and water conservation measures. Step-wise multiple regression analysis has been performed, and the contributions from water diversion, maximum 30-day cumulative precipitation, maximum 1-day precipitation, annual precipitation and the weighted average of the area of soil and water conservation measures to the variation in annual runoff were calculated as 37.5%, 26.9%, 9.4%, 14.5% and 11.8% respectively. (C) 2010 Elsevier Ltd and INQUA. All rights reserved.
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS Subject ExtendedPhysical Geography ; Geology
WOS KeywordHYDROLOGICAL REGIME ; CHANGE SCENARIOS ; YELLOW-RIVER
Indexed BySCI
Language英语
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000296414300013
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/68046
Collection中国科学院地理科学与资源研究所
Corresponding AuthorXu, Jiongxin
AffiliationChinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Land Surface Proc, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Xu, Jiongxin. Variation in annual runoff of the Wudinghe River as influenced by climate change and human activity[J]. QUATERNARY INTERNATIONAL,2011,244(2):230-237.
APA Xu, Jiongxin.(2011).Variation in annual runoff of the Wudinghe River as influenced by climate change and human activity.QUATERNARY INTERNATIONAL,244(2),230-237.
MLA Xu, Jiongxin."Variation in annual runoff of the Wudinghe River as influenced by climate change and human activity".QUATERNARY INTERNATIONAL 244.2(2011):230-237.
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