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首页> 美国卫生研究院文献>ACS AuthorChoice >Estimates of EmbodiedGlobal Energy and Air-EmissionIntensities of Japanese Products for Building a Japanese Input–OutputLife Cycle Assessment Database with a Global System Boundary
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Estimates of EmbodiedGlobal Energy and Air-EmissionIntensities of Japanese Products for Building a Japanese Input–OutputLife Cycle Assessment Database with a Global System Boundary

机译：体现的估计全球能源与排放建立日本投入产出的日本产品强度具有全局系统边界的生命周期评估数据库

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摘要

To build a life cycle assessment (LCA) database of Japanese products embracing their global supply chains in a manner requiring lower time and labor burdens, this study estimates the intensity of embodied global environmental burden for commodities produced in Japan. The intensity of embodied global environmental burden is a measure of the environmental burden generated globally by unit production of the commodity and can be used as life cycle inventory data in LCA. The calculation employs an input–output LCA method with a global link input–output model that defines a global system boundary grounded in a simplified multiregional input–output framework. As results, the intensities of embodied global environmental burden for 406 Japanese commodities are determined in terms of energy consumption, greenhouse-gas emissions (carbon dioxide, methane, nitrous oxide, perfluorocarbons, hydrofluorocarbons, sulfur hexafluoride, and their summation), and air-pollutant emissions (nitrogen oxide and sulfur oxide). The uncertainties in the intensities of embodied global environmentalburden attributable to the simplified structure of the global linkinput–output model are quantified using Monte Carlo simulation.In addition, by analyzing the structure of the embodied global greenhouse-gasintensities we characterize Japanese commodities in the context ofLCA embracing global supply chains.
机译：为了建立以较低的时间和劳动力负担的方式涵盖日本产品拥抱其全球供应链的生命周期评估（LCA）数据库，本研究估算了日本生产的商品所体现的全球环境负担的强度。体现的全球环境负担的强度是对商品单件生产在全球范围内产生的环境负担的度量，可以用作LCA中的生命周期清单数据。该计算采用具有全局链接输入输出模型的输入输出LCA方法，该模型定义了以简化的多区域输入输出框架为基础的全局系统边界。结果，根据能耗，温室气体排放量（二氧化碳，甲烷，一氧化二氮，全氟化碳，氢氟碳化物，六氟化硫及其总和）以及空气排放量确定了406种日本商品所体现的全球环境负担的强度。污染物排放（氧化氮和氧化硫）。体现全球环境强度的不确定性全球链接简化结构造成的负担输入输出模型使用蒙特卡洛模拟进行量化。此外，通过分析体现的全球温室气体的结构在日本的背景下，我们表征日本商品的强度LCA拥抱全球供应链。

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