呼伦湖蓝藻水华时空分布特征及适宜气象条件分析  

作　　者：林聪 王雅莹 董越 赵岳冀 曲学斌 

机构地区：[1]呼伦贝尔市气象局,内蒙古呼伦贝尔021008

出　　处：《科技创新与应用》2024年第3期94-97,共4页Technology Innovation and Application

基　　金：内蒙古自治区气象局引导性创新基金项目(nmqxydcx202205)。

摘　　要：利用2013—2022年夏季(6—8月)TERRA/MODIS呼伦湖卫星遥感影像及周边气象站的逐日观测数据,对呼伦湖蓝藻水华暴发的时空特征及适宜气象条件进行初步分析。研究表明,2022年呼伦湖蓝藻水华最为严重,其次为2013年和2021年。蓝藻水华易发区主要位于南部湖湾区和北部沿岸区,东南部湖岸的蓝藻水华相对较轻。气温和风速是影响蓝藻水华暴发的主要气象因子,其中蓝藻水华暴发的适宜气象条件为日最高气温25~33℃,日最低气温10~17℃,日平均风速小于等于4 m/s,日最大风速小于等于9 m/s。建议加强呼伦湖区域蓝藻水华和气象要素的监测、预报能力,为蓝藻水华暴发时的快速应急处置提供帮助。Based on the satellite remote sensing images of Hulun Lake in the summer(June—August)of 2013—2022 and the daily observation data of surrounding meteorological stations,the spatio-temporal characteristics and suitable meteorological conditions of Cyanobacteria outbreak in Hulun Lake were analyzed.The study shows that Cyanobacteria in Hulun Lake is the most serious in 2022,followed by 2013 and 2021.The Cyanobacteria is prone to breaking out in the southern bay area and the northern coastal area,while the Cyanobacteria on the southeast shore is relatively light.Air temperature and wind speed are the main meteorological factors affecting the outbreak of Cyanobacteria.The suitable meteorological conditions for the outbreak of Cyanobacteria are daily maximum temperature 25~33℃,daily minimum temperature 10~17℃,daily average wind speed less than or equal to 4 m/s,daily maximum wind speed less than or equal to 9 m/s.It is suggested that the monitoring and forecasting ability of Cyanobacteria and meteorological elements in Hulun Lake should be strengthened to provide help for the rapid emergency treatment of Cyanobacteria outbreak.

关 键 词：蓝藻水华 呼伦湖 卫星遥感 适宜气象条件 时空分布特征 

分 类 号：P237[天文地球—摄影测量与遥感]