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要研制了与计算潜在蒸散发的Priestley－Taylor方法相结合的水量平衡模型，用以模拟流域对潜在气候变化的响应。该系统使用可视Basic语言在Excel5．0系统环境下设计而成。模型使用简便，并使用IIASA的月平均水文数据库（Leemans和Cramer，1991）。介绍了模型环境及2个研究事例。
A water balance model developed in conjunction with the Priestley-Taylor method of calculating potential evapotranspiration was developed to simulate the basin’s response to potential climate change. The system uses visual Basic language in Excel5.0 system environment designed. The model is easy to use and uses the IIASA monthly average hydrological database (Leemans and Cramer, 1991). Introduced the model environment and two research cases.