[1]严伟卿,刘 冀,赵心睿,等.基于Budyko假设的金溪流域径流变化归因分析[J].水土保持研究,2023,30(03):121-126.[doi:10.13869/j.cnki.rswc.2023.03.055]
　YAN Weiqing,LIU Ji,ZHAO Xinrui,et al.Attribution of Runoff Variation in Jinxi Basin Based on Budyko Hypothesis[J].Research of Soil and Water Conservation,2023,30(03):121-126.[doi:10.13869/j.cnki.rswc.2023.03.055]
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基于Budyko假设的金溪流域径流变化归因分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 30 期数: 2023年03期 页码: 121-126 栏目: 出版日期: 2023-04-10
Title:
Attribution of Runoff Variation in Jinxi Basin Based on Budyko Hypothesis
文章编号:
1005-3409(2023)03-0121-06
作者:
严伟卿1,2,3, 刘 冀1,2,3, 赵心睿1,2,3, 杨少康1,2,3, 舒章康4,5, 董晓华1,2,3, 刘艳丽4,5
(1.三峡库区生态环境教育部工程研究中心, 湖北 宜昌 443002; 2.水资源安全保障湖北省协同创新中心, 武汉 430072; 3.三峡大学 水利与环境学院, 湖北 宜昌 443002; 4.水利部 应对气候变化研究中心, 南京 210029; 5.南京水利科学研究院 水文水资源与水利工程科学国家重点实验室, 南京 210098)
Author(s):
YAN Weiqing1,2,3, LIU Ji1,2,3, ZHAO Xinrui1,2,3, YANG Shaokang1,2,3, SHU Zhangkang4,5, DONG Xiaohua1,2,3, LIU Yanli4,5
(1.Engineering Research Center of Eco-environment in Three Gorges Reservoir Region,Ministry of Education,Yichang,Hubei 443002,China; 2.Hubei Collaborative Innovation Center for Water Resources Security,Wuhan 430072,China; 3.College of Hydraulic and Environmental Engineering,China Three Gorges University,Yichang,Hubei 443002,China; 4.Research Center for Climate Change,Ministry of Water Resources,Nanjing 210029,China; 5.State Key Laboratory of Hydrology,Water Resources and Hydraulic......)
关键词:
径流变化;  归因分析;  Budyko方程;  金溪流域;  NDVI
Keywords:
runoff change;  attribution analysis;  Budyko equations;  Jinxi Basin;  NDVI
分类号:
P339
DOI:
10.13869/j.cnki.rswc.2023.03.055
文献标志码:
A
摘要:
[目的]探究金溪流域径流变化特征及其原因,对于水库运行调度及水资源管理具有重要指导作用。[方法]基于1982—2015年流域气象水文数据以及植被NDVI数据,采用线性回归法、Mann-Kendall突变检验及滑动T突变检验法分析径流变化特征,进一步采用Budyko水热耦合平衡方程计算各影响因子对流域径流变化的贡献率。[结果]金溪流域年径流深、降雨量均呈不显著上升趋势,变化速率分别为3.89 mm/a,8.43 mm/a。潜在蒸散发量呈显著上升趋势,变化速率为1.17 mm/a。通过突变检验可将金溪流域径流序列分为基准期1982—2002年和变化期2003—2015年。金溪流域径流变化归因分析表明:下垫面变化对径流变化的贡献率为123.55%,潜在蒸散发的贡献率为33.83%,降雨贡献率为-57.38%,流域下垫面变化主要源于植被情况显著改善,其中NDVI在基准期上升速率为0.005/10 a,在变化期上升速率为0.024/10 a。[结论]导致金溪流域径流变化的主要源于植被情况的显著改善,金溪流域径流变化的归因分析为金溪流域的水资源利用提供了理论支持。
Abstract:
[Objective]To explore the characteristics and causes of runoff change in Jinxi Basin plays an important guiding role in reservoir operation and water resources management. [Methods]Based on the meteorological and hydrological data and Normalized Difference Vegetation Index(NDVI)data from 1982 to 2015, linear regression method, Mann-Kendall mutation test and sliding T mutation test were used to analyze the characteristics of runoff change. The contribution rate of each influencing factor to runoff change was calculated by using Budyko coupled equilibrium equation. [Results]The results show that the annual runoff depth and rainfall in Jinxi Basin had no significant upward trend, with the changing rates of 3.89 mm/a and 8.43 mm/a, respectively; the potential evapotranspiration showed a significant upward trend at a rate of 1.17 mm/a; through mutation test, the runoff series of Jinxi Basin could be divided into the base period from 1982 to 2002 and the change period from 2003 to 2015; attribution analysis of runoff change in Jinxi Basin showed that the contribution rate of underlying surface change to runoff change was 123.55%, the contribution rate of potential evapotranspiration was 33.83%, and the contribution rate of rainfall was -57.38%. [Conclusion]The change of underlying surface of the basin is mainly due to the significant improvement of vegetation situation in which the increase rate of NDVI is 0.005/10 a in the base period and 0.024/10 a in the change period.

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备注/Memo

收稿日期:2022-03-31 修回日期:2022-04-21
资助项目:国家自然科学基金(52079079); 江苏省自然科学基金(BK20191129); 湖北省教育厅科学技术研究重点项目(D20211205)
第一作者:严伟卿(1999—),男,福建三明人,硕士研究生,研究方向为水文学与水资源。E-mail:907942396@qq.com
通信作者:刘冀(1980—),男,河北保定人,博士,副教授,主要从事流域水文模拟与防洪调度研究。E-mail:liuji@ctgu.edu.cn

更新日期/Last Update: 2023-04-10