图解分析法在水文资料整编中的应用  

Application of Graphical Analysis Method in Hydrological Data Compilation

作　　者：曹嘉男 CAO Jia-nan(Anhui Chuzhou Hydrology and Water Resources Bureau,Chuzhou 239000,Anhui,China)

机构地区：[1]安徽省滁州水文水资源局,安徽滁州239000

出　　处：《水利科技与经济》2025年第4期113-117,共5页Water Conservancy Science and Technology and Economy

摘　　要：由于受到多种因素的影响,堰闸类水文站在实际工作中直接应用水力学公式进行推流,往往与实测值有一定的偏差。为了提高水文计算精度,运用图解分析法,对汊河集闸水文站的流量数据进行综合分析,通过变形流量公式并绘图定线,逐步消除自变量影响,确定最优流量系数和指数。结果显示,优化后的计算公式能更准确反映流量情况,减小与实测值偏差。在实例检验中,新公式通过多项验证,证明其适用性和准确性。研究表明,图解分析法能够有效优化堰闸流量系数,提高水文资料的整编质量。Due to various factors,hydrological stations such as weirs and gates often use hydraulic formulas to push flow directly in practical work,which often deviates from the measured values.In order to improve the accuracy of hydrological calculations,the graphical analysis method is used to comprehensively analyze the flow data of the Chahejizha hydrological station.Through the deformation of the flow formula and plotting,the influence of independent variables is gradually eliminated,and the optimal flow coefficient and index are determined.The results show that the optimized calculation formula can more accurately reflect the flow situation and reduce the deviation from the measured values.In the instance verification,the new formula has passed multiple verifications,proving its applicability and accuracy.The graphical analysis method can effectively optimize the flow coefficient of weirs and improve the quality of hydrological data compilation.

关 键 词：图解分析法 堰闸 流量系数 淹没孔流 

分 类 号：TV663[水利工程—水利水电工程]