1. 国能大渡河大数据服务有限公司
2. 河海大学水文水资源学院
纸质出版:2025
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陈媛, 王甫志, 马梦园, 等. 微分形式垂向混合产流模型及应用研究[J]. 水力发电, 2025,51(4):1-5.
陈媛, 王甫志, 马梦园, et al. 微分形式垂向混合产流模型及应用研究[J]. 2025, 51(4): 1-5.
垂向混合产流模型(VMR)是我国半湿润和半干旱地区的常用水文模型,但其数学形式为一阶差分代数方程,求解时不可避免引入数值误差,影响模型精度。为了有效控制数值求解误差,推导了垂向混合产流模型的微分方程,建立了微分形式的垂向混合产流模型(ODE-VMR)
通过数值试验验证了ODE-VMR的理论正确性。蒙阴流域应用示例表明,ODE-VMR可有效降低数值误差,提升模拟精度,成果可为半湿润和半干旱地区水文模型研究提供新的途径。
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