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2021年汉江中下游水华监测分析
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Abstract:
根据2021年汉江水华应急调查监测及仙桃水质自动监测等数据，分析汉江水华发生和发展规律。1月12日以来汉江仙桃断面水华相关指标迅速上升，1月18日出现水体颜色异常(呈淡褐色)，1月20日左右达到峰值，之后由于实施生态调度及天气等影响，水华相关指标持续下降，至2月1日基本恢复正常，全过程监测结果显示本次应急生态调度具有明显效果。
According to the data from the emergency survey of Hanjiang water blooms in 2021 and automatic monitoring of water quality of Xiantao, the law of occurrence and development of Hanjiang water blooms is analyzed. The water bloom-related indicators of the Xiantao section of the Han River rose rapidly since January 12, 2012. The color of the water body was abnormal (light brown) on January 18, and reached a peak around January 20. Due to the impact of ecological dispatch and weather, water bloom-related indicators continued to decline, and basically returned to normal on February 1. The monitoring results of the whole process showed that emergency ecological dispatch has obvious effects.
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