时变Copula模型及其在峰量分析中的应用OA北大核心
Time-varying Copula model and its application in joint analysis of flood peak and volume
为了建立合理可靠的随机水文模型,通过利用一个类似ARMA(1, q )的过程,描述了Copula函数相关参数的时变变化过程,构造了一种时变Copula模型,并探讨该模型在峰量联合分析中的适用性。实例应用表明,该模型对洪峰和洪量之间相关性刻画与静态Copula模型相当,能很好地保持洪峰和洪量实测系列的统计特征,适用性较好,可为水文水资源随机模拟提供一种新途径。
In order to establish a reasonable and reliable stochastic hydrologic model, the time-varying process of correlative parameters of Copula was described by using a process similar to ARMA(1,q). The time-varying Copula model was established and the varying process of its parameters was deduced. The feasibility of time-varying Copula model in joint analysis of flood peak and volume was discussed. The example shows that the relativity between peak flood and its …查看全部>>
尹耀锋;邹朝望;黎南关
湖北省水利水电规划勘测设计院，湖北 武汉430064湖北省水利水电规划勘测设计院，湖北 武汉430064湖北省水利水电规划勘测设计院，湖北 武汉430064
天文与地球科学
随机模拟峰量分析时变Copula模型静态Copula模型
stochastic simulationanalysis of peak and volumetime-varying Copula modelstatic Copula model
《人民长江》 2014 (16)
98-101,108,5
水利部科技推广项目(TG1316)湖北省水利重点科研课题(HBSLKY201403)
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