大连市近岸海域水质污染类型及趋势研究

Study on Pollution Type and Trend of Water Quality in Dalian Inshore

根据１９９１～１９９９年大连市近岸海域的水质监测资料对该区域水体的质量作了分析和评价．监测结果表明，大连市近岸水域水质的主要污染因子是无机氮、无机磷和油。并对整个海域的污染趋势进行了研究．根据污染特征，分析了影响水质的因素，并在此基础上提出了相应的防治措施。

Based on the monitoring result of water quality in Dalian inshore in 1991 - 1999, the assessment on the quality of warers in the region is made. According to the monitoring result of water quality in Dalian inshore, the inorganic nitrogen, inorganic phosphorus and oils are the key pollution factors. Study has been made on the pollution trend of water quality in Dalian inshore. According to the features of pollution, the factors affecting the water quality have been discussed. Based on these, the countermeasures for the pollution control are proposed.