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METHOD FOR OPTIMIZING PARAMETERS OF MULTIPARAMETER HYDROLOGICAL MODELS FOR FLOOD FORECASTING

机译:洪水预报多参数水文模型参数优化方法

摘要

1. A method for optimizing the parameters of multi-parameter hydrological models for flood forecasting, which consists in initializing a multi-parameter hydrological model by loading the source data and model parameters using a template algorithm, calculating the objective function values corresponding to these parameters, comparing the current value of the objective function with the values corresponding to the previously studied combinations of parameters , in order to determine the optimum, maintaining the appropriate parameters for further operational use for flood forecasting in case the value of the objective function is the smallest (the optimum is considered to be found) .2. The method according to claim 1, characterized in that in order to increase the efficiency of the classical template algorithm, a search is made for physically justified model parameters determined on the basis of the template algorithm with a search starting point previously calculated using special formulas.
机译:1.一种用于洪水预报的多参数水文模型参数优化的方法,该方法包括通过使用模板算法加载源数据和模型参数来初始化多参数水文模型,并计算与这些参数对应的目标函数值,将目标函数的当前值与先前研究的参数组合所对应的值进行比较,以便确定最佳值,并在目标函数的值最小的情况下,保留适当的参数以供洪水预测时进一步操作使用(认为​​已找到最佳值).2。 2.根据权利要求1所述的方法,其特征在于,为了提高经典模板算法的效率,使用先前使用特殊公式计算出的搜索起点来搜索基于模板算法确定的物理上合理的模型参数。

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