摘要
北极由于独特的地理位置和自然条件,在全球气候环境变化的研究中占有举足轻重的地位。该区域常年低温,可能累积来自于中低纬度的持久性有机污染物(POPs),对简单脆弱的北极生态系统造成极大的压力。近40年来,尤其在2009年斯德哥尔摩公约新增9种POPs之后,北极地区的新型POPs引起的环境问题进一步受到科学家、政府和公众的关注。目前对传统POPs在北极的迁移转化过程的了解有限,新型POPs更是需要深入研究。通过对北极地区POPs相关研究进行归纳总结,重点阐述北极大气、水体、沉积物和生物体内传统和新型POPs的赋存水平、历史演变、生物富集以及来源,在此基础上进一步展望未来的变化趋势并提出一些亟待解决的关键问题。
The specific geographic location and natural conditions of the Arctic region play a significant role in the global climate change. As a result of perennial low temperature, simple ecological structure, and fragile ecosystem and weak stability in the Arctic, Persistent Organic Pollutants （POPs） accumulating from the region of middle and low latitudes may cause tremendous pressure in the arctic ecological environment. Therefore, the research of POPs in the Arctic region is not only conducive to more in-depth understanding of POPs distribution and transformation process in the global range, but to reasonably assess the harm of human activities on the arctic ecological environment. Thus, in the past 40 years, especially after nine new kinds of emerging organic contaminants being added to the list of Stockholm Convention in 2009, more and more scientific community and general public have pay attention to the research of POPs in the Arctic region. At present, the understanding of legacy POPs in the Arctic is limited, and the research of emerging POPs is in the initial stage. This paper aimed to summarize some conclusions and implications of the research, and focused on the occurrence level, historical evolution, bioaccumulation and source of POPs in atmosphere, waters, sediments and organisms in the Arctic region. Finally, the future changes and key scientific problems of POPs in the Arctic region were proposed.
出处
《地球科学进展》
CAS
CSCD
北大核心
2017年第2期128-138,共11页
Advances in Earth Science
基金
中央级公益性科研院所基本科研业务费专项项目“东山、平潭、厦门大气持久性有机污染物入海通量研究”(编号:海三科2013012)
国际科技合作专项“全球变化与海气相互作用”(编号:GASI-IPOVAI-04)资助~~
关键词
传统POPs
新型POPs
赋存水平
生物富集
北极
Legacy POPs
Emerging organic contaminants
Occurrence level
Bioaccumulation
Arctic region.
