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Tracing China's external driving sources and internal emission hotspots of export-driven PM_(10) emission

机译：追踪中国出口驱动的PM_（10）排放的外部驱动源和内部排放热点

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摘要

External trade could induce extensive air pollutant emissions among partners. PM10 (particles smaller than 10 mu m) is an important pollutant that could cause various problems. Few studies have researched the spatial heterogeneity of this export-driven pollutant at a high physical spatial resolution, especially given the lack of detailed spatial data based on sectors. Based on the Eora and EDGAR databases, and the MRIO model, this study calculated the export pulled emissions, identified the external driving sources of China's PM10 emissions, visualized the actual internal export-driven PM10 emissions sources and hot spots at a high spatial resolution. China's export-driven and net export-driven PM10 emissions during 1990-2015 generally increased and decreased, respectively, and the net one reversed from positive to negative in 2012. Globally, the external driving sources of China's export-driven PM10 emissions were mostly Latin American and African developing countries/regions and other European developed countries/regions. Nationally, China's export-driven PM10 emissions were mainly from the emission-intensive secondary industries, and the whole emission decreased from southeast to northwest spatially. Emissions hot spots were mostly concentrated on the North China Plain, the Yangtze River Delta, the Pearl River Delta and the Sichuan Basin, and they exhibited a polarization phenomenon during 1990-2012. We finally proposed an importer-exporter shared responsibility mechanism to reduce export-driven PM10 emission. These results offer excellent references for China's government to enact targeted export-driven PM10 emissions mitigation strategies. (C) 2020 Elsevier Ltd. All rights reserved.
机译：对外贸易可能会导致伙伴之间广泛的空气污染物排放。 PM10（小于10微米的颗粒）是可能引起各种问题的重要污染物。很少有研究以高物理空间分辨率研究这种出口驱动污染物的空间异质性，尤其是在缺乏基于扇区的详细空间数据的情况下。该研究基于Eora和EDGAR数据库以及MRIO模型，计算了出口拉动排放量，确定了中国PM10排放的外部驱动源，以高空间分辨率可视化了实际内部出口驱动的PM10排放源和热点。在1990-2015年期间，中国的出口驱动的PM10排放量和净出口驱动的PM10排放量总体上分别有所增加和减少，2012年的净排放量从正值变为负值。在全球范围内，中国出口驱动的PM10排放量的外部驱动因素主要是拉丁美洲美国和非洲发展中国家/地区以及其他欧洲发达国家/地区。在全国范围内，中国的出口驱动型PM10排放主要来自排放密集型第二产业，整个排放在空间上从东南向西北递减。排放热点主要集中在华北平原，长江三角洲，珠江三角洲和四川盆地，并且在1990-2012年期间呈现两极分化现象。我们最终提出了进出口商分担责任机制，以减少出口驱动的PM10排放。这些结果为中国政府制定有针对性的出口驱动型PM10减排战略提供了很好的参考。 （C）2020 Elsevier Ltd.保留所有权利。

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  • 来源
    《Journal of Cleaner Production》 |2020年第20期|119867.1-119867.12|共12页
  • 作者

  • 作者单位

    Nanjing Univ Sch Geog & Ocean Sci Nanjing 210023 Jiangsu Peoples R China;

    North China Univ Water Resources & Elect Power Sch Surveying & Geoinformat Zhengzhou 450046 Henan Peoples R China;

    Ecole Polytech Fed Lausanne Coll Management Technol CDM Stn 5 CH-1015 Lausanne Switzerland;

    Shenyang Agr Univ Engn Coll Shenyang 110866 Liaoning Peoples R China;

    Guizhou Jiren Law Off Guiyang 550002 Guizhou Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    China; International trade; Export-driven PM10; Hot spots;

    机译：中国;国际贸易;出口驱动型PM10;热点;

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