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针对北京市温榆河上游流域的下垫面条件,采用数学物理方程,建立了机理性的分布式水文模型WDHM,描述次降雨条件下的植被截留、土壤入渗、地表产汇流及河道汇流等水文过程,并用1998年和2000年的2场较大洪水进行了模型的参数率定和检验。
According to the underlying surface conditions of the upper reaches of Wenyu River in Beijing, mathematical and physical equations were used to establish a mechanistic and distributed hydrological model WDHM to describe the hydrological processes such as vegetation interception, soil infiltration, surface runoff and confluence The model parameters were calibrated and tested using two large floods in 1998 and 2000.