By analyzing the meteorological and water quality data of Dianshan Lake from 2001 to 2023,the water quality change trend of Dianshan Lake was analyzed,and the impact of water quality change on cyanobacterial bloom outbreak was briefly analyzed.The results showed that in the past 20 years,the wind speed of meteorological factors in Dianshan Lake showed a trend of low wind speed,and there was no significant trend change in temperature,sunshine hours and rainfall;on the whole,there was no significant trend change in water temperature,the concentrations of total nitrogen,ammonia nitrogen,permanganate index and chemical oxygen demand showed a significant downward trend,and total phosphorus showed an obvious trend of first decreasing and then rebounding.
维普
万方数据