热带森林退化模拟模型

热带森林退化模拟模型

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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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Application-focused categoriesNatural-perspectiveLand regions
Application-focused categoriesHuman-perspectiveDevelopment activities
Application-focused categoriesIntegrated-perspectiveRegional scale

Model Description

Chinese {{currentDetailLanguage}} Chinese

热带森林退化模拟模型

 

(1)  森林退化模型:

 

封闭的热带雨林数量的动力学:

 

 

 

开放的热带雨林数量的动力学:

 

 

 

耕地的动力学:

 

 

 

式中,是封闭的热带雨林;是开放的热带雨林;是耕地;是扩展到封闭热带雨林的耕地;是扩展到开放热带雨林的耕地;是扩展到封闭热带雨林的牧场;是扩展到开放热带雨林的牧场;是封闭热带雨林的轮作;是开放热带雨林的轮作;是扩展到其他土地上的农地;是商业木材生产的伐木业;是种植园的开发;是薪炭材收益;是工业或矿业工程;是耕地退化;是牧场退化。

 

(2)  模拟过程:

 

持久农业:

 

 

式中,是对农地的累积需求;是人口;是谷类消费; 是产量;是自足率;是谷物中用作食物的部分;是非谷类食物的耕种面积部分;是其他农作物产品的耕种面积部分。

 

 

 

 

式中,是农地中退化的土地;是农业退化常数。

 

轮作或先锋耕作:

 

 

式中,是轮作的面积;是农村部分;是每年每户的农村清除;户人口数;是休耕周期。

 

畜牧饲养:

 

 

式中,是牧场的累积需求;是牧场数量;1990年牧场的初始数量;是牲畜的数量;1990年牲畜的初始数量;是牲畜的生产力; 1990年的初始牲畜生产力。

 

伐木搬运业:

 

 

式中,是商业木材生产引起的森林退化;1985年商业木材生产引起的森林退化;是指数;1985是商业木材产量;是生产强度。

 

参考文献

Rotmans JSwart R J:模拟热带森林退化及其对全球气候的影响。Ecological Modelling1991,58

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How to Cite

《资源环境数学模型手册》 (2018). 热带森林退化模拟模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/ce369629-9f60-45e2-ad22-0993b07fc07f
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Contributor(s)

initial contribute: 2018-12-04

Authorship

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

History

Last modifier : 
YY
Last modify time : 
2020-10-27
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