根据Landsat-8衍生出的海面盐度和潮特征,污水排放潮的动力学
Hanisha Mamidisetti1,2, Ritesh Vijay3,4
1CSIR- National Environmental Engineering Research Institute, Nehru Marg, Nagpur, Maharashtra, 440420, India.
概括
污水排放造成的海洋污染影响了海水质量. 这项研究将海面盐度变化与潮模式联系起来,揭示了污水如何根据潮范围和时间不同分散.
科学领域:
- 海洋污染 海洋污染
- 海洋学 海洋学 海洋学
- 遥感是一种远程传感.
背景情况:
- 污水排放造成的海洋污染越来越令人担忧,影响海水质量.
- 了解污水排放潮的动态对于有效的环境管理至关重要.
研究的目的:
- 评估污水排放造成的海面盐度 (SSS) 变化.
- 将SSS变化与潮特征联系起来,以了解污水动态.
- 为了假设污水排放的分散模式.
主要方法:
- 使用Landsat-8 OLI反射率和现场SSS数据 (2013-2014) 开发了一个多线性回归模型.
- 验证了模型并预测了2018年图像的SSS,将其与彩色溶解有机物 (CDOM) 相关联.
主要成果:
- 由于从部分处理的污水中稀释而导致的污水排放羽毛中观察到的较低的SSS.
- 羽毛散布模式因潮范围而异:在宏观潮条件下长和沿岸,在中/小潮条件下短和近海.
- 低潮期显示出出水口周围度较低的度,这表明污染物积累.
结论:
- 潮范围和松期显著影响废水排放量,污染物分散和污染物积累.
- 需要更多关于风和密度的数据来全面了解风动态.
- 建议将污水处理升级到三级,并向公众宣传健康风险.
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