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中文摘要：
利用VIC大尺度分布式水文模型，对祁连山地区2007年1—12月的能量平衡特征进行模拟分析．结果表明：该地区的地表能量平衡中感热通量占有主导地位，而潜热较小．春季，日尺度上的冻融循环过程造成的土壤湿度的增加是潜热通量较大原因；秋季的潜热通量主要是夏季的降水引起的，祁连山地区土壤湿度对大气的反馈效应较干旱区所需的时间尺度长．
英文摘要：
In this paper, using the VIC （Variable Infiltration Capacity） hydrologic model, the energy balance characteristics are simulated and analyzed from January 2007 to December 2007 in the Qilian Mountains. It is found that the sensible heat flux plays a dominating role in the process of surfaces energy balance, and the latent heat flux plays rewer roles. In spring, the soil moisture increases owing to the daily freezing-thawing processing, causing latent heat flux larger, while more rainfall in summer causes latent heat flux increasing in autumn. The period of feedback between soil moisture and latent heat flux is longer than that in arid regions.
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