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针对陆面过程模式CLASS(Canadian Land Surface Scheme)产流模拟方面的不足,提出考虑壤中流产流机制的产流模拟方案。利用淮河流域能量和水分循环试验(HUBEX)资料,在史灌河流域对改进前后的模型进行了对比试验。结果表明,产流模拟改进方案大大提高了CLASS的径流模拟能力,同时改善了模式对土壤含水量的模拟。
Aiming at the shortage of runoff simulation of land surface process model CLASS (Canadian Land Surface Scheme), a simulation of runoff generation considering the mechanism of runoff in soil was proposed. Based on the HUBEX data of Huaihe River Basin, a comparative experiment was made on the model before and after the improvement in the Shikanhe River Basin. The results show that the improved simulation of runoff production greatly improves the runoff simulation ability of CLASS and improves the simulation of soil moisture content.