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Preface

机译:前言

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摘要

Although mercury is a natural element, human activities-particularly the widespread combustion of coal-have released large quantities of mercury into the atmosphere and increased levels of mercury deposition around the globe. Air currents transport mercury over long distances and thereby connect emission sources at lower latitudes to the Arctic. The increase in anthropogenic mercury emissions due to industrialization over the last century and the transport of these emissions northward via air currents have resulted in levels of mercury in the Arctic environment that are significantly above historical levels (Dietz et aL, 2009; Fitzgerald et al., 2005; Muir et al., 2009; Outridge et al., 2009). This trend in mercury levels continues in some biota and areas of the Arctic despite recognition of the issue and actions by many countries to mitigate mercury releases (Riget et al., 2011).
机译:尽管汞是一种自然元素,但人类活动-尤其是煤炭的广泛燃烧-已将大量汞释放到大气中,并增加了全球汞的沉积水平。气流长距离传输汞,从而将低纬度的排放源连接到北极。上个世纪以来,由于工业化导致的人为汞排放量增加,以及这些排放物通过气流向北迁移,导致北极环境中的汞含量大大高于历史水平(Dietz等人,2009年; Fitzgerald等人。 ,2005; Muir等,2009; Outridge等,2009)。尽管许多国家认识到了减少汞排放的问题和行动(Riget等人,2011),但在某些生物区系和北极地区,汞含量的这种趋势仍在继续。

著录项

  • 来源
    《The Science of the Total Environment》 |2015年第15期|1-2|共2页
  • 作者单位

    Environment Canada, National Wildlife Research Centre, Carleton University, Ottawa, Ontario, Canada K1A 0H3;

    Environment Canada, National Wildlife Research Centre, Carleton University, Ottawa, Ontario, Canada K1A 0H3;

    Aboriginal Affairs and Northern Development Canada, Northern Contaminants Program, Ottawa, Ontario, Canada K1A 0H4;

    Aboriginal Affairs and Northern Development Canada, Northern Contaminants Program, Ottawa, Ontario, Canada K1A 0H4;

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

    Canadian Arctic; NCP; Assessment; Mercury;

    机译:加拿大北极;NCP;评定;汞;

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