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针对气温为融雪计算中重要的输入变量,基于探空气温设计了三种计算方案估测高寒山区气温的垂直分布规律,以叶尔羌河流域为例,运用含融雪结构的新安江模型模拟径流,并分析了三种方案的模拟结果。结果表明,由探空气温计算的气温直减率在一定空间范围内可反映高寒区气温的垂直变化规律,可用于资料缺乏区内陆河径流模拟。
In view of the fact that temperature is an important input variable in snowmelt calculation, three calculation schemes are designed to estimate the vertical distribution of temperature in the alpine region based on the sounding temperature. Taking the Yarkant River Basin as an example, runoff is simulated using the Xin’anjiang model with snowmelt structure. The simulation results of the three programs. The results show that the temperature decrease rate calculated by the sounding air temperature can reflect the vertical variation of air temperature in the alpine region within a certain spatial range and can be used to simulate the inland river runoff in the data-deficient area.