低效防护林改造的水文效益模型

低效防护林改造的水文效益模型

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Contributor(s)

Initial contribute: 2018-12-04

Authorship

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

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

Model Description

Chinese {{currentDetailLanguage}} Chinese

低效防护林改造的水文效益模型

1)年累计植被截持量I模型:

 

 

式中n为观测期内降雨次数;n0为观测期内降雨ri<2.0mm的降雨次数;rn为非观测期内降雨量合计。

(2)土壤水分储存:

1)土壤储存有效水能力We模型:

 

 

式中,Wmin为最小持水量;P0为萎蔫系数。

2)年累计土壤获得的总水量△W模型:

 

 

式中,r为全年总降水量;I,RgRu分别为年累计植被截持量、地表径流深和渗透径流深。

 

参考文献

王兴中: 低效防护林改造的水文效益水土保持通报1997,17(4)

 

How to Cite

《资源环境数学模型手册》 (2018). 低效防护林改造的水文效益模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/11f2dca4-dcd1-4496-8e63-b3c7043517e6
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History

Last modifier : 
Zhiyi Zhu
Last modify time : 
2020-12-02
Modify times : 
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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 : 
Zhiyi Zhu
Last modify time : 
2020-12-02
Modify times : 
View History

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