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The use of steel in the United Kingdom's transport sector: A stock–flow–service nexus case study
Journal of Industrial Ecology ( IF 5.9 ) Pub Date : 2020-07-26 , DOI: 10.1111/jiec.13055
Luis Gabriel Carmona 1, 2 , Kai Whiting 3 , Helmut Haberl 4 , Tânia Sousa 1
Affiliation  

Energy and material flows and material stocks are key requirements for the supply of goods and services, which in turn support societal development. However, most resource accounting methods restrict the analysis to resource flows, which fails to acknowledge the increasing role of in‐use stocks in service provision. Using the UK transport sector as a case study, we undertook a material flow analysis through the lens of the stock–flow–service (SFS) nexus. We used the latter to identify how steel consumption and accumulation in vehicles contributed to passenger mobility between 1960 and 2015. Our results show that the efficiency of the steel stock contained in cars and motorcycles decreased from 37.5 to 28.0 passenger‐km (pkm)/kg‐year. The steel service for buses decreased from 63.6 to 32.1 pkm/kg‐year, while that of the national railway increased from 23.8 to 70.3 pkm/kg‐year steel. London Underground steel stock–service efficiency improved from 31.5 to 57.0 pkm/kg‐year steel. The annual fraction of flows that maintained the steel stock varied according to vehicle category and was between 3.4% and 8.2%. In terms of the stock expansion rate, the greatest change (on average, an annual increase of 3%) was that of “cars and motorcycles.” This reflects the demographic transitions and the growing consumer demand for car‐based mobility. We discussed how the SFS nexus contributes to a more comprehensive form of resource accounting and reflect upon some of its limitations and how they might be addressed.

中文翻译:

钢铁在英国运输部门的使用:库存-流量-服务关系案例研究

能源和物质流动以及物质库存是商品和服务供应的关键要求,而后者又反过来支持社会发展。但是,大多数资源会计方法都将分析限制在资源流上,这无法确认使用中的库存在服务提供中的作用越来越大。我们以英国运输部门为例,通过库存-流量-服务(SFS)联系的角度进行了物料流量分析。我们使用后者来确定1960年至2015年间车辆中钢的消耗和积累如何促进了旅客的出行。我们的结果表明,汽车和摩托车中所含钢的效率从37.5到28.0乘客·公里(pkm)/ kg -年。公共汽车的钢铁服务从63.6 pkm / kg-year下降到 国家铁路的钢从23.8增加到70.3 pkm / kg·年钢。伦敦地下钢铁的库存服务效率从31.5 pkm / kg-year钢提高到57.0 pkm / kg-年。保持钢材库存量的年流量百分比因车辆类别而异,在3.4%至8.2%之间。就库存扩展率而言,最大的变化(平均每年增长3%)是“汽车和摩托车”的变化。这反映了人口转变和消费者对基于汽车出行的需求不断增长。我们讨论了SFS关系如何对资源会计的更全面形式做出贡献,并反思其某些局限性以及如何解决这些局限性。保持钢材库存量的年流量百分比因车辆类别而异,在3.4%至8.2%之间。就库存扩展率而言,最大的变化(平均每年增长3%)是“汽车和摩托车”的变化。这反映了人口转变和消费者对基于汽车出行的需求不断增长。我们讨论了SFS关系如何对资源会计的更全面形式做出贡献,并反思其某些局限性以及如何解决这些局限性。保持钢材库存量的年流量百分比因车辆类别而异,在3.4%至8.2%之间。就库存扩展率而言,最大的变化(平均每年增长3%)是“汽车和摩托车”的变化。这反映了人口转变和消费者对基于汽车出行的需求不断增长。我们讨论了SFS关系如何对资源会计的更全面形式做出贡献,并反思其某些局限性以及如何解决这些局限性。”这反映了人口结构的转变以及消费者对基于汽车出行的需求不断增长。我们讨论了SFS关系如何对资源会计的更全面形式做出贡献,并反思其某些局限性以及如何解决这些局限性。”这反映了人口结构的转变以及消费者对基于汽车出行的需求不断增长。我们讨论了SFS关系如何对资源会计的更全面形式做出贡献,并反思其某些局限性以及如何解决这些局限性。
更新日期:2020-07-26
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