彭曼公式
- 网络penman formula
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利用修订后的彭曼公式,结合广西气象研究所和广西水利工程局的试验资料,提出了适合广西的作物需水量求算方法;
By using the modified Penman formula and the test data from Guangxi Meteorology Institute and Guangxi Irrigation Engineering Bureau , This paper offers the computing method for water requirement of crop in Guangxi .
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利用彭曼公式计算80年代以来黄河上游流域蒸散量,分析了该地区蒸散量、日照时数、气温、空气饱和差等气候因子的变化趋势,并着重研究了诸因子对蒸散量的影响。
Penman formula was used to calculate the evapotranspiration in the upper valley of the Huanghe river since 1980.The variation tendency of some climatic factors , such as evapotranspiration , sunshine duration , air temperature , air saturation deficit and etc , were analysed .
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彭曼公式在内陆干旱区的检验和修正
Inspecting and revising penman 's formula in arid area of inland
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利用彭曼公式计算潜在蒸发的高度订正方法
Method for altitudinal corrections of Penman evapotranspiration formula
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并采用彭曼公式计算得出各分区内的主要作物参照腾发量,同时进一步对分区进行了验证和调整。
Reference evapotranspirations of major crops in each zone were calculated using the Penman equation .
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建议使用彭曼公式计算的蒸发能力代替实测水面蒸发以提高拟合效果。
The evaporation capacity calculated by Penman-Monteith formula is suggested to replace the water surface evaporation observed for an improved regression .
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本文根据前人的田间试验结果和气象观测资料,应用彭曼公式和气候生产潜力的理论与方法,分析了沧州地区冬小麦水分供需特征,并从理论上探讨了不同时期灌水的生产效率。
Based on the results of field experiment and the meteorological data by predecessors , using Penman 's formula and the theory and method of potential productivity of climate , the evaluation on the water condition of winter wheat in Cangzhou egion is analysed .
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根据农田实际观测资料,利用改进的彭曼公式和设计的高温强度指数等,分析了江西省2003年特大高温干旱期间土壤水分特征、农田蒸发散量、高温强度指数与土壤水分的响应关系。
With filed monitoring data and by optimized Penman formula and High Temperature Intensity Index established , this paper analyzed the responding relations among the moisture features , field evaporation , high temperature intensity index and soil moisture during 2003 's catastrophic drought with high temperature .
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联合国粮农组织(FAO)于1998年正式推荐新的计算作物腾发量的标准方法FAO彭曼-蒙特斯公式(Pen-man-Monteith公式),用以代替FAO过去推荐的修正彭曼公式。
In 1998 , Food and Agriculture Organization of the United Nations recommended FAO Penman-Monteith equation for computing crop water requirements as new standard to replace the modified Penman equation .
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彭曼&蒙特斯公式在参考作物需水量中的应用研究
Research on the Equation of Penman - Monteith in Reference Crop Evaporation
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现在就其中一些问题进行了深入的探讨,为在计算作物蒸腾蒸发量中推广彭曼-蒙特斯公式这一标准化的计算方法提供帮助。
This article discusses some of those to popularize the new standard of computing crop water requirement .
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应用彭曼&蒙特斯公式计算天山北坡平原区水面蒸发量
Calculation of Water Surface Evaporation in the Plain Area of the Northern Slop Tianshan Mountains by Penman-Monteith Formula
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以彭曼-蒙蒂斯公式计算的蒸散发量作为参考值,得出Φ20蒸发皿换算成蒸散发能力的折算系数。
If the calculated evapotranspiration by Penman-Monteith formula is used as a reference value , we can obtain the conversion coefficient of the potential evapotranspiration from the evaporation of Φ 20 pan .