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对河口水力动力学进行地形学控制,对淡化沿海地区的藻生长有影响

Taylor Bailey¹, Lauren Ross¹, Nicholas Tiner¹

¹University of Maine, Department of Civil and Environmental Engineering, 5711 Boardman Hall, Orono, ME 04469, United States of America.

The Science of the total environment

|July 25, 2024

概括

沿海的地形和水力条件显著影响有害藻类繁殖 (HAB) 的监测. 由当地地形驱动的残留,聚焦Pseudo-nitzschia spp.,强调需要完善采样策略以进行准确的HAB评估.

科学领域:

海洋学海洋学海洋学
海洋生态海洋生态学
沿海地理形态学沿海地理形态学

背景情况:

沿海有害藻类繁殖 (HABs) 对贝捕捞构成风险,需要有效监测.
了解当地的液压条件对于准确的HAB评估至关重要.
缅因州的法兰西湾 (Frenchman Bay) 经历了强的潮,容易受到来自Pseudo-nitzschia spp.的HAB感染.

研究的目的:

调查采样地点和潮阶段如何影响HAB监测结果.
将沿海地形学和水力条件与HAB热点联系起来.
根据新的发现,评估当前的HAB监测实践.

主要方法:

在现场测量潮周期中的电流速度,密度和流.
研究区域的数值建模以模拟液压条件.
对Pseudo-nitzschia spp. 的分析在两年的每周采样中,丰富度.

主要成果:

在法兰西人海湾发现了两个持续的中等尺度旋 (直径2-4公里).
表面附近流散射率的升高与 Pseudo-nitzschia spp. 的增加相关. 它们的度. 度.
藻类细胞丰度最高的地区是残留形成的地区.

结论:

单独地表采样可能不能完全代表HAB物种丰度.
沿海的形态学特征和残余旋作为物质积累热点.
现代液压条件受到千年规模的地形遗产的影响,影响HAB动态.

关键词:

降冰的过程中的脱冰.艾迪斯 (艾迪斯) 是一个爱迪斯.有害的藻类繁殖.混合混合混合混合营养素营养素营养素伪尼茨基亚物种伪尼茨基亚物种

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