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首页> 外文会议>Flood Forecasting and Water Resources Assessment for IAHS(International Association of Hydrological Sciences)-PUB >Evaluation of three Complementary Relationship Approaches for Regional Evapotranspiration in Hyperarid Akesu Alluvial Plain, Northwest China
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Evaluation of three Complementary Relationship Approaches for Regional Evapotranspiration in Hyperarid Akesu Alluvial Plain, Northwest China

机译：西北阿克苏冲积平原地区蒸散的三种互补关系方法的评价

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摘要

Three regional evapotranspiration models using the complementary relationship approach, the Complementary Relationship Areal Evapotranspiration (CRAE) model, the advection-arid (AA) model, and the Granger and Grey (GG) model, are evaluated against actual regional evapotranspiration derived from a monthly water balance model for Akseu alluvial plain located in the hyperarid Tarim River basin, Northwest China. The results showed that, with original parameters, the CRAE model produces the closest values with the water balance model, while the other two models overestimate actual evapotranspiration. With calibrated parameters, all three models can reflect the annual increasing trends of actual evapotranspiration, but the CRAE model is not better than the other two models, which is different from the performance of the three models in other climate regions conducted by other researchers. The reason is briefly analyzed and discussed.
机译：针对从每月水获得的实际区域蒸散量，使用互补关系方法对三种区域蒸散量模型进行了评估，即互补关系区域蒸散量（CRAE）模型，对流干旱（AA）模型和Granger和Gray（GG）模型。西北塔里木河流域的阿克苏冲积平原平衡模型。结果表明，使用原始参数，CRAE模型产生的值与水平衡模型最接近，而其他两个模型则高估了实际的蒸散量。使用校准的参数，所有三个模型都可以反映实际蒸散量的逐年增加趋势，但是CRAE模型并不优于其他两个模型，这与其他研究人员在其他气候区域进行的三个模型的性能不同。对原因进行了简要分析和讨论。

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