木薯植物的碳、氮和水分动态模拟

木薯植物的碳、氮和水分动态模拟

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Initial contribute: 2018-12-04

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岳天祥编著
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Method-focused categoriesProcess-perspectiveChemical process calculation
Method-focused categoriesProcess-perspectiveBiological process calculation

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木薯植物的碳、氮和水分动态模拟

(1)光合作用产物的生产和分配:

 

式中,dA/dt是总吸收率;M*是时间dt中生产的光合作用产物;z(△t)是每单位植物量的代谢作用消耗率;△t是生理期的变化;MT是所有呼吸组织的干生物量;v*是每天的有效储备量。

(2)氮平衡模型:

 

式中,dAN/dt是氮的总吸收率;ω是水压力指数;Nt是当前根部体积下的有效氮;fN(·)Frazer-Gilbert功能反应模型中的氮的译文;vN*是从保留的和衰老的植物部分到生长的植物组织的氮的再分配率。

(3)土壤有效氮的平衡模型如下:

 

式中,NN是根部体积最大时的总氮量;aNN0是在时间△t从有机物(N0)中释放出来的氮;aN是一个常数;NA是在时间t使用的氮肥;N*是吸收的无机氮;vN*是植物中循环氮。

(4)水分平衡模型:

水分供应ET*

 

式中,Wr是当前根部体积中的水分;bw是土壤水分蒸发蒸腾损失的需求量;s是搜索参数;△t是生理期。

 

参考文献

Gutierrez A P,Wermelinger B,Schulthess F et al:非洲木薯害虫的生物学控制分析I,木薯植物的碳、氮和水分动力学模拟。The Journal of Applied Ecology,1988,25

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《资源环境数学模型手册》 (2018). 木薯植物的碳、氮和水分动态模拟, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/dc894f44-6829-4862-96ab-1b2d3ec91c71
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Last modifier
XiaoYu He
Last modify time
2020-11-24
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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
:  
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History

Last modifier
XiaoYu He
Last modify time
2020-11-24
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