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一种新的方法来确定河口的高营养区,用于水质管理

Linlin Wang¹, Xiaoyu Lei², Guo Yuehua³

¹Water Science and Environmental Engineering Research Center, College of Chemical and Environmental Engineering, Shenzhen University, Shenzhen 518060, China; State Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, China.

The Science of the total environment

|December 28, 2023

概括

一种新方法通过追踪标记物衰变,准确地识别沿海水域的高营养区. 这种方法有助于更有效地管理河口污染和环保.

科学领域:

环境科学环境科学
海洋学海洋学海洋学
水质管理水质管理

背景情况:

沿海的浅水面临着严重的污染风险,导致过度缩.
由于河口水力动力学和营养循环的复杂性,准确地定义这些高营养区具有挑战性.

研究的目的:

提出和验证一种用于识别河口环境中的高营养区的新方法.
为河口水质管理和污染控制提供实用工具.

主要方法:

开发了一种基于释放的标记物的连续区分的新方法,通过标记物度的1/e衰减来识别高营养的区域.
使用各种参数 (形状,深度,排放) 的理想化河口模型测试了该方法.
将该方法应用于深湾,将结果与传统的基于盐度的方法进行比较 (20 psu异素).

主要成果:

拟议的方法在理想化的模型中始终在10-20 psu盐度范围内确定高营养区的边界.
在深湾,20 psu的异和新方法从2001-2010年划出了高营养界限 (溶解无机和).
这种新方法在持续的营养减少期间 (2010-2020年) 准确地划出了高营养区,优于盐度方法.

结论:

这种基于标记物的新方法提供了一种实用而准确的方法,用于划分河口的高营养区.
该方法作为一个有价值的辅助决策工具,用于河口水环境管理.
这种方法可以促进在脆弱的沿海地区采取及时有效的污染控制措施.

关键词:

河口的河口河口数字模型的数值模型.营养成分的分布营养成分的分布区分区分区分区分区分区分区分区分区分区分区分区分区分

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