预警评价指标体系

预警评价指标体系

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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-perspectiveSocial activities
Application-focused categoriesHuman-perspectiveEconomic activities

Model Description

Chinese {{currentDetailLanguage}} Chinese

预警评价指标体系

 

(1) 经济环境指标――产出稳定性T模型:

式中,N为聚落总收入;为第i子系统的收入;k为子系统数量。

(2) 社会环境指标:

1)  薪柴供给能力S模型:

式中,MN分别为聚落薪柴年净生长量和热值;为第i种燃料的数量和热值。

2)  生活用水保证率W模型:

式中,分别第i类人口数量及保证用水日数;P为聚落人口数。

(3) 生态环境指标:

1)  土壤侵蚀相对强度模型:

式中,为第i种土地利用方式所产生侵蚀量;为聚落内第i类土壤允许侵蚀量。

2)  涵蓄水量模型:

式中,为第i种用地面积和涵蓄水源量;L为聚落总面积;为顶级植物群落涵蓄水源量。

(4) 环境质量评价与预警模式:

质量评价模型:

式中,n为评价因子或子系统数量;为第i因子或子系统的权重;为第i因子或子系统在t时刻质量评分值;E(t)t时刻聚落生态环境质量综合评价分值。

参考文献

刘邵权,陈国阶,陈治:农村聚落生态环境预警――以万州区竹乡次竹五组为例。生态学报,2001,21(2)

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How to Cite

《资源环境数学模型手册》 (2018). 预警评价指标体系, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/ae71f482-0a35-473d-a309-fbe37476fe08
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Last modifier : 
Xiaoyu He
Last modify time : 
2020-12-29
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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 : 
Xiaoyu He
Last modify time : 
2020-12-29
Modify times : 
View History

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