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# C3 植物新光合模型参数的 DPS 拟合方法 - PowerPoint PPT Presentation

C3 植物新光合模型参数的 DPS 拟合方法. 张亚黎 叶子飘 2008.08.31. 新模型的表达式.  ，  ，  是三个系数 ； I 是光合有效辐射 ； R d 是暗呼吸速率. 拟合时的参数转换 ： c1=  ; c2=  ; c3=  ; c4= R d. 输入数据和模型. 第一行是模型公式 第二行是拟合参数的初始值. 选中数据和模型. 同时选中. 选择数学模型. 麦夸特法. 运算结果. R 值. 提取模型的系数. C1 0.080016 C2 0.000088 C3 0.001128

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### C3植物新光合模型参数的DPS拟合方法

2008.08.31

，， 是三个系数；I是光合有效辐射；Rd是暗呼吸速率

R 值

C1 0.080016

C2 0.000088

C3 0.001128

C4 9.602297

Ic光补偿点

Im光饱和点

Pmax最大净光合速率

Rd=9.6 μmol(CO2)m-2s-1

Ic=140.8 μmolm-2s-1

Im=2409.2 μmolm-2s-1

Pmax=31.3 μmol(CO2)m-2s-1