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Water Quality Investigation and Assessment on Seawater in Lianyungang Inshore
Author(s): 
Pages: 164-167
Year: Issue:  9
Journal: ENVIRONMENTAL SCIENCE AND MANAGEMENT

Keyword:  连云港近海海域变化趋势水质评价;
Abstract: 近海海域水环境对沿海城市的可持续发展具有重要意义.根据1997~2005年连云港近海海域水质监测资料,对海域的水质状况进行了分析和评价.结果表明,pH、DO和COD年际变幅不大且符合GB3097-1997第一类海水水质标准;1998-2002年油类含量超出国家二类水质标准,虽然近几年污染减弱,但总体来看,油类已成为该海域的主要污染物;无机氮和活性磷酸盐虽然没有超出二类标准,但逐年有上升趋势;NO3-N和NO2-N的全年最高值多在8、9、10月,与该季节河品泄洪将大量营养物质带入大海有关,有可能引发赤潮,应引起相关部门注意.
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