群体光合、暗呼吸和蒸腾作用的测定模型

群体光合、暗呼吸和蒸腾作用的测定模型

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Initial contribute: 2018-12-04

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岳天祥编著
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yue@lreis.ac.cn
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Method-focused categoriesProcess-perspectiveBiological process calculation

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群体光合、暗呼吸和蒸腾作用的测定模型

(1)  净光合速率模型: 

式中,Pn为植物群体的净光合速率; C1, C2分别为送气管和出气管中空气的CO2浓度; F为进入人工气候箱内的气体流量; K为温度校正后的CO2每升体积的重量; P为气压订正值; A为人工气候箱内植物群体的叶面积或箱内所占的地面积; 为当时的土壤呼吸速率。

(2)暗呼吸速率模型:

式中,Rd为植物群体的暗呼吸速率。

(3)土壤呼吸速率模型

式中,A为人工气候箱内所占地面积。

(4)蒸腾速率模型:

式中,为植物群体的蒸腾速率; W1W2分别为送气管和出气管中空气的绝对湿度; Sv为当时的土壤蒸发速率。

(5) 土壤蒸发速率Sv模型:

 

参考文献

祖元刚,常杰:野外条件下测定群体光合、黯呼吸和蒸腾作用的装置和方法。植物生态学与地植物学学报,1987 1(4)

 

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《资源环境数学模型手册》 (2018). 群体光合、暗呼吸和蒸腾作用的测定模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/f0b5afef-67a9-4597-b62e-8e34f556bb66
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Last modifier
Zhen Qian
Last modify time
2020-10-28
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Contributor(s)

Initial contribute : 2018-12-04

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Authorship

:  
岳天祥编著
:  
yue@lreis.ac.cn
:  
View
Is authorship not correct? Feed back

History

Last modifier
Zhen Qian
Last modify time
2020-10-28
Modify times
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