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来自太空的湖泊中微囊风险评估:对SDG 6.1评估的影响

Ming Shen¹, Zhigang Cao², Liqiang Xie²

¹Key Laboratory of Watershed Geographic Sciences, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, 73 East Beijing Road, Nanjing 210008, China; University of Chinese Academy of Sciences, Nanjing 211135, China.

|September 22, 2023

概括

菌的开花会释放出像微囊 (MCs) 这样的毒素,威胁到饮用水. 卫星遥感有效地绘制了中国100个大湖的MCs风险图,显示大多数人暴露的风险低.

科学领域:

环境科学环境科学
水质监测水质监测
遥感应用遥感应用

背景情况:

蓝菌的开花会产生微囊 (MCs),对饮用水安全构成风险,并阻碍实现联合国可持续发展目标6.1.1.的进展.
在湖水中对藻类毒素的常规监测仍然不频繁,并未得到充分评估.
人口密集地区的大湖是关键的水源,需要严格的安全评估.

研究的目的:

开发基于遥感的方案,用于评估大型湖泊中微囊 (MCs) 对人类健康的风险.
利用卫星数据,绘制出中国东部湖泊MC风险的空间和时间动态.
根据MCs风险评估,评估设定饮用水摄入量的可行性.

主要方法:

利用 Sentinel-3 OLCI卫星数据从2016年到2021年进行监测.
开发了一种遥感方案,以识别和量化与MCs相关的人类健康风险.
分析了中国东部100个大型湖泊 (>25平方公里) 的数据.

主要成果:

在中国东部的湖泊上绘制了MC风险的空间和时间分布.
在100个研究中的80个湖泊中至少检测到一次高MCs风险.
发现,70.93%的湖泊总面积经历了高的人类健康风险的频率仅为1%.

结论:

卫星遥感为监测藻类毒素和评估饮用水安全提供了强大的工具.
中国东部的大多数大湖泊的MC总体风险较低,这表明安全饮用水的摄入是可行的.
调查结果为SDG 6.1报告提供了关键数据,特别是对于缺乏常规监测计划的湖泊.

关键词:

饮用水饮用水饮用水微囊是一种微囊.菲科亚尼尼的成分是什么?可持续发展目标可持续发展目标

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