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中文摘要：
地下水-地表水耦合模型GSFLOW研究地下水-地表水相互转化关系、分析不同水文参数对于流域水资源影响提供理论和技术支撑。本文在介绍GSFLOW模型的结构、计算过程、应用范围等基础上,分析了气温、降水以及不同数量的水文响应单元(HRU)对GSFLOW模型模拟结果的影响。研究结果表明:水文响应单元划分尺度的不同影响GSFLOW模型的精度,当HRU数量增加时,GSFLOW模型对降水变化的响应更加剧烈,模拟结果变动幅度加大。气温升高、降水减少比气温降低、降水增加对模拟结果的影响更大,而降水比气温对模拟结果的影响程度更为明显。GSFLOW模型能较好地模拟复杂地下水与地表水的相互作用过程,是一种值得推广应用的地下水-地表水耦合模型。
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