摘要
对黄河三角洲北部湿地表层土壤中的多环芳烃(PAHs)进行定量分析,结果表明,表层土壤中PAHs总量范围为27.43～128.97ng/g(干重),PAHs的空间分布总体呈西高东低的趋势。经过研究对比,认为表层土壤样品中的PAHs尚未对生物造成显著负面影响,并提出表层土壤PAHs污染主要来源于高温热解产物,仅有很小部分的石油类的污染。
The compounds of 16 polycyclic aromatic hydrocarbons （PAHs） were measured and identified by GC-MS in surface soil at 20 stations of the northern wetland of the Yellow River Delta. The results showed that the total concentrations of PAHs ranged from 27.34 to 128. 97 ng/g （dry weight）. The en- riched areas gradually reduced from west to east. The total contaminative level is not very high compared with the similar research of China. According to the varieties and aromatic rings distributions of PAHs, the pollutants might be anthropogenieally induced. The risk assessment values for trace organic pollutants in soil showed that this area was a low ecological risk region, which might not exert significant potential damage to the organisms in this area.
出处
《海洋地质与第四纪地质》
CAS
CSCD
北大核心
2008年第6期57-62,共6页
Marine Geology & Quaternary Geology
基金
国土资源部海洋油气资源和环境地质重点实验室开放基金(MRE200803)
国家自然科学基金项目(40642009)
关键词
PAHS
分布
来源
湿地
黄河三角洲
wetland
PAHs
distribution
source
the Yellow River Delta
