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牛振川,张晓山,陈进生,王森,等. 植被在大气汞收支中作用的研究进展与展望[J]. 生态毒理学报, 2014, 9(5): 843-849
植被在大气汞收支中作用的研究进展与展望
The Role of Vegetation in Atmospheric Mercury Budgets: Progresses and Perspectives
投稿时间:2014-05-15  修订日期:2014-07-08
DOI:10.7524/AJE.1673-5897.20140515011
中文关键词:  植被  大气汞收支  交换过程  生物质燃烧  凋落物沉降
英文关键词:vegetation  atmospheric Hg budgets  exchange process  biomass burning  litterfall
基金项目:国家自然科学基金(41303072),中国科学院地球环境研究所青年人才项目(Y354011480),福建省青年科学基金(2013J05063),环境化学与生态毒理学国家重点实验室开放基金(KF2011-11)
作者单位
牛振川 1. 中国科学院地球环境研究所黄土与第四纪地质国家重点实验室西安 710075 2. 中国科学院生态环境研究中心北京 100085 3. 国家加速器质谱中心(西安)西安 710054 4. 中国科学院城市环境研究所厦门 361021 
张晓山 中国科学院生态环境研究中心北京 100085 
陈进生 中国科学院城市环境研究所厦门 361021 
王森 西北大学城市与环境学院西安 710127 
王章玮 中国科学院生态环境研究中心北京 100085 
慈志佳 中国科学院生态环境研究中心北京 100085 
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中文摘要:
      在汞的生物地球化学循环中,对于“源”和“汇”的认识还存在许多不确定性。大气汞收支不平衡的问题使得植被在汞循环中的作用日益凸现;开展植被在大气汞收支中作用的研究有助于为全球汞减排政策的制定提供参考。本文首先概述了植被中汞的来源和影响因素及其与大气汞的源汇关系;进而重点论述了植被参与大气汞收支的主要方式:凋落物沉降、生物质燃烧和植被表面与大气汞的动态交换,并阐述了植被在大气汞污染监测中的应用;最后在总结我国相关研究的基础上展望了未来的发展方向。
                 
AuthorAffiliation
Niu Zhenchuan1. State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an 710075, China 2. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China 3. National Center for Accelerator Mass Spectrometry in Xi'an 710054, China 4. Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
Zhang XiaoshanResearch Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Chen JinshengResearch Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Wang SenNational Center for Accelerator Mass Spectrometry in Xi'an 710054, China
Wang ZhangweiResearch Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
Ci ZhijiaResearch Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
英文摘要:
      There are some uncertainties on the sinks and sources of mercury (Hg) in the Hg biogeochemical cycle. The estimated Hg emissions to the atmosphere are significantly greater than the known sinks, resulting in the mass unbalance for atmospheric Hg. Therefore the role of vegetation in Hg biogeochemical cycle has attracted more and more attentions. The studies of the role of vegetation in atmospheric Hg budgets can provide important information for the global Hg-reduced strategies. In this paper, we briefly review the origination of Hg in vegetation and its controlling factors, as well as the source/sink relationship to atmospheric Hg. Then three main manners involved in the atmospheric Hg budgets were emphasized in detail, including litterfall, biomass burning and bi-directional exchange of Hg between the surfaces of vegetation and atmosphere. In addition, the application of vegetation as biomonitorsof atmospheric Hg pollution was discussed. Finally, the progresses of mercury in vegetationin China were presented and some suggestions on future research were put forward.
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