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利用区域系统环境集成模式(RIEMS)和一个offline的大尺度汇流模型(LRM)对黄河的河川径流做了模拟。中国科学院大气物理所东亚中心从1991年开始建立和发展RIEMS,并验证RIEMS对东亚区域气候有较好的模拟能力。LRM是以线性时基不变假定为基础并能够计算水的水平传输的数学模型。RIEMS-LRM可以用来模拟和预测大尺度河流的河川径流。RIEMS-LRM在黄河上游河段的应用证实其有能力对大尺度河流的河川径流进行模拟。此外,作者还分析了模拟误差产生的原因。
The runoff of the Yellow River was simulated using the Regional System Environment Integration Model (RIEMS) and an offline large-scale confluence model (LRM). The Institute of Atmospheric Physics, Chinese Academy of Sciences East Asia Center since 1991 to establish and develop RIEMS, and verify the RIEMS on the East Asian region climate has better simulation capabilities. LRM is a mathematical model based on the assumption of linear time base invariance and capable of calculating the horizontal transfer of water. RIEMS-LRM can be used to simulate and predict river runoff on large-scale rivers. The application of RIEMS-LRM in the upper reaches of the Yellow River confirms its ability to simulate river runoff on large-scale rivers. In addition, the author also analyzes the causes of simulation errors.