| 引用本文： |
-
罗万次,雷富,叶朝放,周鹏,许廷波,李啸宇,农立成.防城港湾夏季水质及表层沉积物重金属污染评价[J].广西科学院学报,2015,31(2):83-88. [点击复制]
- LUO Wan-ci,LEI Fu,YE Chao-fang,ZHOU Peng,XU Ting-bo,LI Xiao-yu,NONG Li-cheng.Pollution Evaluation of Heavy Metals in Seawater and Surface Sediments of Fangchenggang Bay in Summer[J].Journal of Guangxi Academy of Sciences,2015,31(2):83-88. [点击复制]
|
|
| |
|
|
| 本文已被：浏览 504次 下载 430次 |
码上扫一扫！ |
| 防城港湾夏季水质及表层沉积物重金属污染评价 |
|
罗万次1, 雷富2, 叶朝放1, 周鹏3, 许廷波1, 李啸宇1, 农立成1
|
|
|
| (1.防城港市海洋环境监测预报中心, 广西防城港 538001;2.广西科学院广西近海海洋环境科学重点实验室, 广西南宁 530007;3.国家海洋局南海环境监测中心, 广东广州 510300) |
|
| 摘要: |
| [目的]调查及评价广西防城港湾的重金属污染现状。[方法]2013年8月从广西防城港湾采集33个站位海水样品和11个站位表层沉积物样品,测定海水和沉积物中重金属(铜、铅、锌、镉、汞、砷)含量,再采用单因子指数法和生态风险指数法对采集的海水和沉积物污染状况进行评价。[结果]该海域海水重金属污染程度由高到低分别是Pb > Zn > Hg > Cu > Cd > As,其中,Pb的平均单项污染指数均大于1,超过国家一类海水水质标准;沉积物中重金属平均含量排序为Zn > Pb > Cu > As > Cd > Hg,均符合国家一类沉积物标准;沉积物重金属污染程度排序为As > Pb > Cu > Zn > Hg > Cd,即污染程度均属于低污染;潜在危害的影响程度从大到小排序为Hg > As > Cd > Pb > Cu > Zn,即潜在风险较低。[结论]夏季防城港湾海洋重金属环境质量状况良好。 |
| 关键词: 重金属 污染评价 海水 表层沉积物 防城港湾 |
| DOI： |
| 投稿时间：2014-06-10修订日期：2014-08-10 |
| 基金项目:国家自然科学基金项目(41266002),广西自然科学基金项目(2011GXNSFE018002,2011GXNSFE018003,2012GXN-SFEA053001)和广西近海海洋环境科学重点实验室开放基金项目(GXKLHY14-02)资助。 |
|
| Pollution Evaluation of Heavy Metals in Seawater and Surface Sediments of Fangchenggang Bay in Summer |
|
LUO Wan-ci1, LEI Fu2, YE Chao-fang1, ZHOU Peng3, XU Ting-bo1, LI Xiao-yu1, NONG Li-cheng1
|
| (1.Marine Environment Monitoring and Forecasting Center of Fangchenggang, Fangchenggang, Guangxi, 538001, China;2.Guangxi Key Laboratory of Marine Environmental Science, Guangxi Academy of Sciences, Nanning, Guangxi, 530007, China;3.South China Sea Environment Monitoring Center, State Ocean Administration, Guangzhou, Guangdong, 510300, China) |
| Abstract: |
| [Objective] The survey and assessment on heavy metals of this paper was implemented in Fangchenggang Bay,Guangxi.[Methods] 33 seawater samples and 11 surface sediments samples were collected in August 2013.The contents of heavy metals including Cu,Pb,Zn,Cd,Hg and As was determined. The status of heavy metals pollution in seawater is using the assessment techniques of single factor index and the surface sediments is potential ecological index.[Results] The sequence of heavy metals in seawater was Pb > Zn > Hg > Cu > Cd > As using single factor index method.The mean of Pb contents was over Class I seawater quality standard.The average contents in sediments is Zn > Pb > Cu > As > Cd > Hg.All elements met the Class I seawater quality standard. The pollution degree was As > Pb > Cu > Zn > Hg > Cd.The potential ecological risk was Hg > As > Cd > Pb > Cu > Zn determined by potential ecological index method.The level of heavy metals and the potential ecological risk were low in this Bay.[Conclusion] The marine environmental quality of Fangchenggang Bay is in good condition in summer. |
| Key words: heavy metal pollution assessment seawater surface sediments Fangchenggang bay |
|
|
|
|
|
