青岛第一海水浴场水质状况与趋势分析

Analysis on Water Quality and Tendency of the First Bathing Beach in Qingdao

对青岛第一海水浴场2015—2019年水温、pH值、石油类、粪大肠菌群等夏季主要水质指标和2019年5月、8月的水质全项目指标进行分析评价。结果显示,2019年浴场水质总体良好,12期监测中10期达到优良水平,粪大肠菌群在降雨后出现超标,是影响浴场水质的主要因子。按Spearman秩相关系数法评价,2015—2019年粪大肠菌群无明显变化,浴场水质保持稳定。青岛第一海水浴场是理想的适宜游泳的海水浴场。

The water quality of the First Bathing Beach during 2015 and 2019 was studied.The main water quality indices including water temperature,pH,petroleum and fecal coliforms were analyzed and assessed.Also,it analyzed all water quality indices listed by Sea Water Quality Standard(GB 3097—1997)of May and August in 2019.These results show that the water quality ofthe bathing waters was in good status in 19.Furthermore,It was found that index of fecal coliforms was the main factor influencing the 20 water quality of bathing waters since it occasionally had risen above an acceptable level after rainfall.In the past five years,the index of fecal coliforms had no significant changes and the water quality of bathing waters keeps in good status.Accordingly,the First Bathing Beach in Qingdao is suitable for swimming.