侧面有收缩的准矩形半封闭盆地的潮汐动力学

IF 2.6 3区 地球科学 Q1 MARINE & FRESHWATER BIOLOGY
Juan Torres-Córdoba , Arnoldo Valle-Levinson , Vladimir G. Toro-Valencia , Yuley Cardona , Juan F. Paniagua-Arroyave , Maria C. Aguirre-Pérez
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引用次数: 0

摘要

了解潮汐动力学有助于有效的海岸管理,因为潮汐会影响航行、水质和生态系统健康。潮汐波在经过半封闭盆地时可能发生振幅和相位的变化,其行为取决于当地条件。本研究旨在确定一个热带、构造、半封闭盆地的主要潮汐动力学,其侧面有一个收缩,即乌拉布湾。5个站点的水位资料阐明了主要潮汐组分(K1、M2、O1和N2)的空间变异性。海湾呈现出混合的、主要为日潮的潮汐状态,其中半日潮成分(M2和N2)增加了约21.7%,而日潮成分(K1和O1)增加了1%至10%。一个分析模型进一步探讨了这些结果。该模型结合了底部摩擦和通道几何形状的影响。我们的研究结果表明,温和的潮汐放大与几乎无摩擦的条件和海岸线辐合有关。因此,这些发现提供了对半封闭盆地复杂潮汐动力学的见解,促进了对形成乌拉伯湾和类似海岸系统的潮汐流体动力学的理解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Tidal dynamics in a quasi-rectangular semi-enclosed basin with a constriction at its flank
Understanding tidal dynamics allows effective coastal management, as tides influence navigation, water quality, and ecosystem health. Tidal waves may undergo changes in amplitude and phase as they move through semi-enclosed basins, and their behavior depends on local conditions. This study seeks to determine the dominant tidal dynamics in a tropical, tectonic, semi-enclosed basin with a constriction at its flank, the Gulf of Urabá. Water-level data from five stations elucidated the spatial variability of the main tidal constituents (K1, M2, O1, and N2). The Gulf exhibits a mixed, primarily diurnal tidal regime, with amplification: semidiurnal constituents (M2 and N2) amplify by about 21.7 %, while diurnal constituents (K1 and O1) increase between 1 % and 10 %. An analytical model further explores these results. The model incorporates the effects of bottom friction and channel geometry. Our findings indicate that the mild tidal amplification is linked to nearly frictionless conditions and coastline convergence. Thus, findings provide insights into the complex tidal dynamics of semi-enclosed basins, advancing understanding of tidal hydrodynamics that shape the Gulf of Urabá and similar coastal systems.
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来源期刊
CiteScore
5.60
自引率
7.10%
发文量
374
审稿时长
9 months
期刊介绍: Estuarine, Coastal and Shelf Science is an international multidisciplinary journal devoted to the analysis of saline water phenomena ranging from the outer edge of the continental shelf to the upper limits of the tidal zone. The journal provides a unique forum, unifying the multidisciplinary approaches to the study of the oceanography of estuaries, coastal zones, and continental shelf seas. It features original research papers, review papers and short communications treating such disciplines as zoology, botany, geology, sedimentology, physical oceanography.
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