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Dynamic Life Cycle Assessment: A Review of Research for Temporal Variations in Life Cycle Assessment Studies

机译：动态生命周期评估：生命周期评估研究中的时间变化研究综述

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摘要

Life cycle assessment (LCA) is a comprehensive and important environmental management tool around the world. However, lacking temporal information has been a major challenge. In the past decade, dynamic LCA (DLCA), which incorporates temporal variations into assessment, has been an emerging research topic with increasing publications. A timely comprehensive review is needed to present current progress and discuss future directions. This article reviews 144 DLCA articles quantitatively and qualitatively. A bibliometric approach is adopted to conduct co-occurrence analysis and cluster analysis of DLCA studies. The research progress, approaches, and limitations of three temporal variation types (i.e., dynamic life cycle inventory, dynamic characterization factors, and dynamic weighting factors) in DLCA studies are systematically analyzed and discussed. It is concluded that: (1) dynamic inventory analysis is usually conducted by collecting time-differentiated data at each time step. Field monitoring, simulation, scenario analysis, and prediction based on historical data are common approaches. (2) Dynamic characterization studies primarily focus on two impact categories: global warming and toxicity. More studies are in need. (3) Various methods and indicators (i.e., dynamic pollution damage cost, temporal environmental policy targets, and discount rates) are used to solve the dynamic weighting issue, and they have specific limitations. Finally, three interesting topics are discussed: comparison between dynamic and static results, the large data amount issue, and the trend of tools development. This review offers a holistic view on temporal variations in DLCA studies and provides reference and directions for future dynamic studies.
机译：生命周期评估（LCA）是世界各地的全面和重要的环境管理工具。然而，缺乏时间信息一直是一项重大挑战。在过去的十年中，将时间变化的动态LCA（DLCA）纳入评估，这是具有越来越多的出版物的新兴的研究主题。需要及时综合审查，以呈现目前的进展，并讨论未来的指示。本文通过定量和定性，提供144个DLCA文章。采用了一种对DLCA研究进行共同发生分析和聚类分析的生物计量方法。系统地分析并讨论了三个时间变异类型（即动态生命周期库存，动态表征因子和动态加权因子）的研究进展，方法和局限性。得出结论：（1）动态库存分析通常通过在每次步骤中收集时间区分数据。基于历史数据的现场监测，仿真，场景分析和预测是常见方法。 （2）动态特征研究主要关注两种影响类别：全球变暖和毒性。更多的研究需要。 （3）使用各种方法和指标（即，动态污染损害成本，时间环境政策目标和折扣率）来解决动态加权问题，它们具有特定的限制。最后，讨论了三个有趣的主题：动态和静态结果之间的比较，大数据量问题以及工具开发的趋势。该审查提供了关于DLCA研究的时间变化的整体视图，并为未来的动态研究提供了参考和方向。

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  • 来源
    《Environmental Engineering Science》 |2021年第11期|1013-1025|共14页
  • 作者

    Su Shu; Li Xiaodong; Zhu Chen; Lu Yujie; Lee Hyun Woo;

  • 作者单位

    Southeast Univ Sch Civil Engn Dept Construct & Real Estate Nanjing 211189 Peoples R China|Minist Educ Engn Res Ctr Bldg Equipment Energy & Environm Nanjing Peoples R China;

    Tsinghua Univ Sch Civil Engn Dept Construct Management Beijing Peoples R China;

    Tsinghua Univ Sch Civil Engn Dept Construct Management Beijing Peoples R China;

    Tongji Univ Dept Bldg Engn Coll Civil Engn Shanghai Peoples R China|Tongji Univ Minist Educ Key Lab Performance Evolut & Control Engn Struct Shanghai Peoples R China|Tongji Univ Shanghai Inst Intelligent Sci & Technol Shanghai Peoples R China;

    Univ Washington Dept Construct Management Seattle WA 98195 USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    environmental impact; dynamic characterization; dynamic inventory analysis; dynamic weighting; life cycle assessment; temporal variation;

    机译：环境影响;动态表征;动态库存分析;动态加权;生命周期评估;时间变化;

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