2021年秋汛期三门峡水库潼三区间来水量研究  

Analysis of the Inflow of Water from Tongguan⁃Sanmenxia Reach of Sanmenxia Reservoir During Autumn Flood Season in 2021

作　　者：杨志豪 谷苗苗 钟家淦 王雪莹 王晓燕[3] YANG Zhihao;GU Miaomiao;ZHONG Jiagan;WANG Xueying;WANG Xiaoyan(Sanmenxia Hydrology and Water Resources Survey Bureau of Henan Province,Sanmenxia 472000,China;Luoyang Hydrology and Water Resources Survey Bureau of Henan Province,Luoyang 471011,China;College of Hydrology and Water Resources,Hohai University,Nanjing 210098,China)

机构地区：[1]河南省三门峡水文水资源勘测局,河南三门峡472000 [2]河南省洛阳水文水资源勘测局,河南洛阳471011 [3]河海大学水文水资源学院,江苏南京210098

出　　处：《人民黄河》2024年第7期34-38,共5页Yellow River

基　　金：国家自然科学基金资助项目(42277074)。

摘　　要：2021年黄河发生1949年以来最严重秋汛,三门峡水库在此次秋汛防洪调度中发挥了重要的作用。由于潼关至三门峡区间(潼三区间)缺乏水文监测,因此在2021年秋汛期以潼关站计算的入库水量与实际水量相差10.4亿m^(3),对区间来水考虑不足影响了三门峡水库的精准调度。从库区区间来水分析着手,以潼三区间为研究对象,根据数字高程模型、土地利用类型、土壤类型、气象水文等数据,建立了HEC-HMS分布式水文模型,选取包括2021年秋汛在内的11场实测洪水资料进行率定和验证。结果表明,11场洪水模拟洪峰流量误差均小于20.0%,平均确定性系数为0.725,模拟合格率为90.9%,较准确地模拟了2021年秋汛期潼三区间来水过程,并量化了不同支流对区间来水总量的贡献率。In 2021,the Yellow River experienced the most serious autumn flood since 1949.The Sanmenxia Reservoir played an important role in the autumn flood control,but there was 1.04 billion cubic meters difference between the inflow and outflow of the flood volume.In order to identify the cause of the above water imbalance,this paper took Tongguan-Sanmenxia reach as the study area,and digital elevation model,land use,soil type,meteorological and hydrological data were used to drive a HEC-HMS distributed hydrological model for flood processes simulation.The results show that the bias of simulated flood peak in 11 floods are all less than 20.0%,the average coefficient of determination of the simulations is 0.725,and the pass rate of the results is 90.9%.The model accurately simulates the water inflow process in the Tongguan-Sanmenxia reach during the au-tumn flood season in 2021,and the contribution of different tributaries to the total flood amount of the reach is quantified.

关 键 词：HEC-HMS模型 洪水组成 三门峡水库 潼三区间流域 

分 类 号：TV62[水利工程—水利水电工程] TV882.1