| 计算潜水蒸发系数的反Logistic公式 |
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| 引用本文： | 尚松浩,毛晓敏,雷志栋,周凯,钟永刚,艾尼瓦尔.计算潜水蒸发系数的反Logistic公式[J].灌溉排水学报,1999(2). |
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| 作者姓名： | 尚松浩 毛晓敏 雷志栋 周凯 钟永刚 艾尼瓦尔 |
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| 作者单位： | 清华大学水利水电工程系!北京100084(尚松浩，毛晓敏)，清华大学水利水电工程系!100084(雷志栋)，叶尔羌河流域管理处!新疆莎车844000北京(周凯)，叶尔羌河流域管理处!新疆莎车844000(钟永刚，艾尼瓦尔) |
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| 摘 要： | 根据新疆叶尔羌河流域地下水均衡场裸地潜水蒸发的试验观测资料，提出了进行潜水蒸发系数计算的反Ｌｏｇｉｓｔｉｃ公式，同时采用可变多面体法对公式进行了非线性拟合。该公式较全面地反映了潜水蒸发系数的变化规律，简单实用，适于当地潜水蒸发量的估算
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| 关 键 词： | 裸地潜水蒸发 潜水蒸发系数 反Logistic公式 可变多面体法 非线性拟合 |
Inverse-Logistic Formula for Calculation of Phreatic Evaporation Coefficient |
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| Shang Songhao,Mao Xiaomin,Lei Zhidong.Inverse-Logistic Formula for Calculation of Phreatic Evaporation Coefficient[J].Journal of Irrigation and Drainage,1999(2). |
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| Authors: | Shang Songhao Mao Xiaomin Lei Zhidong |
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| Abstract: | Based on the experimental data of phreatic evaporation from bare soil in the groundwater balance station in Yerqiang River Basin in Xinjiang , the Inverse-Logistic Formula is presented. Variable Polyhedron Method is applied for the nonlinear regression. The results show that this formula can reflect the change of Phreatic Evaporation Coefficient more exactly and it is easy for application. Therefor, It is fit for the estimation of phreatic evaporation in this area. |
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| Keywords: | phreatic evaporation from bare soil Phreatic Evaporation Coefficient Inverse-Logistic Formula Variable Polyhedron Method nonlinear regression |
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