农田实际蒸散是指在实际农田土壤水分条件下，作物查间蒸发和节腾之和。农田实际蒸黄与土壤水分运动、植物水分传输及其与大气间的水汽交换密切相关，是联系土壤—植物—大气连续体（SPAC）内各子系统的重要五一节。农田实际蒸散的研究对认识地气水分循环和大气边界层内下垫面的湍流输送特征、预报作物生长潜势、制定农业气候区划及科学利用水资源等具有重要的意义。
Result The actual evapotranspiration(ETc) for the FAO-56-PM 24h,ASCE-PM 24h,FAO-56-PM 1h,ASCE-PM 1h with dual crop coefficient methods totaled 672.1 mm,766.2 mm,991.2 mm and 805.6 mm,respectively.
结果4种P-M模型FAO-56-PM24h、ASCE-PM24h、FAO-56-PM0.5h及ASCE-PM0.5h和双作物系数法估算的实际蒸散量依次为672.1、766.2、991.2和805.6mm。
参考来源 - 基于FAO·2,447,543篇论文数据，部分数据来源于NoteExpress
为流域分布式降雨-径流模型提供了可靠的实际蒸散量模拟方法。
The research results provided an effective method for the distributed rainfall-runoff model in simulating actual evapotranspiration.
结果表明：不同演替阶段，群落实际蒸散量主要受降水控制，群落间差异不显著（P＞0.05）；
The results showed that, in different succession stages of vegetation, ETa of communities was mainly influenced by precipitation, with no notable distinction among different communities(P>0.05);
用水量平衡法计算的流域多年平均实际蒸散发量对估算结果进行检验。
Actual evapotranspiration was reckoned by model and results were verified by explored the secular annual mean basin actual evapotranspiration which was calculated from water model.
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