人工草地生产潜力y的估算模型

人工草地生产潜力y的估算模型

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Classification(s)

Earth System SubjectEarth Surface SystemBiosphere
Geography SubjectPhysical GeographyBiogeography

Detailed Description

人工草地生产潜力y的估算模型

 

 

式中y0为光能生产潜力;K为经济系数;C为换算系数;W1为牧草含水量;N为干草中灰分含量;h为每形成1000g干物质所需热量;α为牧草反射率;为量子转换系数;aiai'分别为群体受光率和非光合器官受光率;R为群体对超过饱和光强部分的光能利用率;gi为茎叶死亡率;βi为由牧草光饱和强度所决定的光能利用率;Rti为呼吸损耗系数;QPARi为光合有效辐射;f(T),f(W),f(S),f(d)分别为温度、水分、土肥及其他突发性因子对产量的效应函数。

 

参考文献

聂庆华,宋桂琴: 黄土高原沟壑区人工草地生产力研究—以长武王东沟试验区苜蓿地为例水土保持通报1993,13(5)

How to cite

《资源环境数学模型手册》 (2018). 人工草地生产潜力y的估算模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/878e50c7-2a10-468c-abe4-e0c8f6324056
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Contributor

contributed at 2018-12-04

Authorship

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

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