摘要
水文模型在水文理论研究和实践中具有重要意义。将曲江流域西山水文站以上区域作为研究对象,分析了新安江模型在该区域的适用情况。结果表明:新安江模型在曲江流域模拟效果良好,Nash效率系数多在0.7以上,水量平衡误差也基本控制在±10%以内;资料序列的长度对模拟效果影响显著,长序列资料的峨山站和西山站模拟结果明显优于短序列的大矣资站和马家庄站;新安江模型能较好适用于我国南方山区,对研究变化环境下水文过程的响应具有良好的适用性。
Hydrological model plays an important role in hydrological theory research and practice.Taking the above area of Xishan hydrological station in Qujiang River basin as a study area,the applicability of the Xin'Anjiang model in this area was analyzed.The results show that Xin'anjiang model performs well in the simulation in Qujiang River basin,with Nash coefficient above 0.7 and the error of water balance controlled within ± 10% for most catchments.The length of data sequence has significant influence on simulation effect.The simulation results in the stations with longer length of data sequence like Eshan and Xishanare are much better than in Dayizi and Majiazhuang stations.The Xin'anjiang model is suitable for the mountainous areas of southern China,and has good applicability to the study of the hydrological process in the changing environment.
引文
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