| 参考作物蒸散量的多种计算方法及其结果的比较 |
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| 引用本文： | 毛飞,张光智,徐祥德. 参考作物蒸散量的多种计算方法及其结果的比较[J]. 应用气象学报, 2000, 0(Z1) |
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| 作者姓名： | 毛飞 张光智 徐祥德 |
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| 作者单位： | 中国气象科学研究院!北京100081 |
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| 基金项目： | “九五”国家科技攻关项目!“农业气象灾害防御技术研究”96-0 2 0 -0 1 -0 1专题资助 |
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| 摘 要： | 分别用 FAO Penman- Monteith公式 (模型 1 )、FAO Penman 修正式 (模型 2 )和国内Penman修正式 (模型 3)计算了泰安和西峰两地的参考作物蒸散量 ,对 3种方法的计算结果进行了比较 .模型 1得到的参考作物蒸散量大于后 2种模型 ,导致不同模型计算偏差的原因是 3种模型各自选用了不同的辐射项和动力项计算式 ,且计算偏差随季节和地理条件而变 .建议计算区域参考作物蒸散量用模型 1 ,计算单站逐日参考作物蒸散量 3种模型都可用 .
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| 关 键 词： | FAO Penman-Monteith公式 FAO Penman修正式 国内Penman修正式参考作物蒸散量 计算偏差成因 |
SEVERAL METHODS OF CALCULATING THE REFERENCE EVAPOTRANSPIRATION AND COMPARISON OF THEIR RESULTS |
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| Mao Fei Zhang Guangzhi Xu Xiangde. SEVERAL METHODS OF CALCULATING THE REFERENCE EVAPOTRANSPIRATION AND COMPARISON OF THEIR RESULTS[J]. Journal of Applied Meteorological Science, 2000, 0(Z1) |
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| Authors: | Mao Fei Zhang Guangzhi Xu Xiangde |
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| Abstract: | The reference evapotranspiration was estimated by using the FAO Penman Monteithequation (model 1), FAO Penman equation (model 2) and Chinese Penman equation (model 3) respectively in Tai'an and Xifeng of China. The results were compared and show that the reference evapotranspiration estimated by model 1 is greater than that by the other models. The cause of the deviation is the difference in calculating the radiation and dynamics. The deviation changes with the seasons and geographic conditions. |
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| Keywords: | FAO Penman Monteith equation FAO Penman equation Chinese Penman equation Reference evapotranspiration Cause of the calculation deviation |
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