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华盛顿绿色屋顶环境效益的经济评价 被引量:8

Economic Evaluation of Environmental Benefits for Green Roofs in Washington D.C.
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摘要 基于华盛顿一个2000m2绿色屋顶对于降水截留、节能、净化空气的环境效益进行分析,并与传统屋顶的投资花费现值(PV)进行对比分析,结果表明,在华盛顿政策条件下,40年后绿色屋顶的投资花费现值(PV)要比传统屋顶低25%~39%,同时绿色屋顶的投资回收期最短可以达到8年。 The paper evaluates stormwater retention,energy savings,and air quality benefits for a 2000m2 green roof in Washington D.C.,and incorporates all these benefits into present value (PV)analysis.The results demonstrates that PV of green roofs is 25%~39% less than that of conventional roofs.The return period of investment of green roof is expected to be 8 years under Washington D.C.policy scenarios.
出处 《建筑经济》 2010年第12期87-90,共4页 Construction Economy
基金 大连理工大学工业生态与环境工程教育部重点实验室2006年开放课题基金"生态住宅小区建设设计方法研究"(工业生态开200613号)
关键词 绿色屋顶 现值(PV) 投资回收期 green roof present value(PV) return period of investment
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