东江湖水质及营养状态的评价和预测

Evaluation and prediction of water quality and nutrient status in Dongjiang Lake

通过分析2012—2020年东江湖的水质数据可知,东江湖水质保持在Ⅰ~Ⅱ类标准,水质为优。高锰酸盐指数、总氮、总磷等对东江湖营养状态有较大影响。东江湖水体为贫营养,综合营养指数呈缓慢上升趋势。研究东江湖水质及营养状态对东江湖的保护有一定的参考意义。

Based on the analysis of the water quality data of Dongjiang Lake from 2012 to 2020,it can be seen that the water quality of Dongjiang Lake remains in the category ofⅠ~Ⅱ,which is excellent.Permanganate index,total nitrogen,total phosphorus and so on have a great influence on the nutrient state of Dongjiang Lake.The water body of Dongjiang Lake is poor nutrient,and the nutrient index shows a slow rising trend.The study on the water quality and nutrient status of Dongjiang Lake is of certain reference significance to the protection of Dongjiang Lake.