预测水应力对臭氧引起农作物减产的响应模型

预测水应力对臭氧引起农作物减产的响应模型

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Initial contribute: 2018-12-04

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

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预测水应力对臭氧引起农作物减产的响应模型

与一个已知季节蒸腾作用有关的相对产量:

          

式中,Y是生物量积累;ST是季节蒸腾作用;TE是蒸腾效率;YpSTpTEp分别表示土壤水或臭氧没有限制时农作物的潜在产量、季节蒸腾作用和作为累积臭氧释放量的函数模拟下降的蒸腾作用的蒸腾效率。

               

式中,是第i天蒸腾作用下降因子的值;是每天臭氧的释放量;k是一个表示蒸腾作用对臭氧剂量敏感度的常数。

                

式中,T是被污染农作物的蒸腾作用;T0是没有被污染农作物的蒸腾作用。

     臭氧损害减产因子被定义为:

                   

式中,T是某一天农田中估算的农作物蒸腾作用率;Tp是没有臭氧时,水分充足的农作物生长时的期望蒸腾作用率;β表示对臭氧的防护程度,它与由于水应力和以前的臭氧损害引起的蒸腾作用下降有关。

参考文献:

    King D A预测水应力对臭氧引起的农作物减产的影响的模型。Ecological Modelling1987,35

How to Cite

《资源环境数学模型手册》 (2018). 预测水应力对臭氧引起农作物减产的响应模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/65457eb4-3fed-493a-aabf-21bb38deb45c
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Last modifier : 
Mingyuan Li
Last modify time : 
2020-11-22
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Contributor

Initial contribute: 2018-12-04

Co-contributor(s)

Authorship

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

History

Last modifier : 
Mingyuan Li
Last modify time : 
2020-11-22
Modify times : 
View History

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