胶州湾海域水质现状评价

Present Status and Environmental Assessment on Water Quality of Jiaozhou Bay

通过对2009年胶州湾监测数据的分析,采用单因子指数法,对胶州湾海域水质现状进行了评价。结果表明2009年10月份胶州湾海域,一类和二类水质面积占胶州湾总水域面积的60.0%,劣四类水质面积占10.0%,胶州湾现状水质定性结论为一般。各点位各有机监测项目均为未检出,说明胶州湾内尚未产生有机污染。胶州湾内石油类的浓度范围为1.8 23 ug/L,各测点均达到国家海水水质一类标准的要求。胶州湾内重金属未出现超标现象。

Through analyzing the 2009 monitoring data of Jiaozhou Bay, the water quality of Jiaozhou Bay is evaluated by u- sing the single factor index method. The results show that in October 2009, Grade I and Grade II water area amounts to 60. 0% of Jiaozhou Bay sea area, while worse than Grade IV holds 10. 0%. The water quality of Jiaozhou Bay is common. No organic monitoring item was detected and this proves that the Jiaozhou Bay do not have organic pollutions. The range of Petroleum concentration in Jiaozhou Bay is 1.8 - 23 ug/L and every testing points reaches the national Grade I sea water standard. The heavy metals in Jiaozhou Bay are within the limits,