Simulated response of seawater elevation and tidal dynamics in Jakarta Bay to coastal reclamation

IF 2.2 3区 地球科学 Q2 OCEANOGRAPHY
N. S. Ningsih, F. Hanifah, L. F. Yani, R. Rachmayani
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引用次数: 0

Abstract

The Jakarta Bay Reclamation (JBR) is a long-term protection project to prevent flooding in Jakarta. This study examines the effect of the JBR on water levels using the Regional Ocean Model (ROMS) to measure both the residual water levels (non-astronomic tide) and the total water levels generated by tides and Typhoons Hagibis and Mitag in November 2007. The results show that the tidal range in Jakarta Bay increased after the JBR, reaching 22.4% at Bekasi. The most significant amplitude change is S2 for the principal constituents and MK3 for shallow water constituents. The JBR does not change the direction of the propagation for S2 and MK3 in the Jakarta Bay, but it does change the phase lag. In addition, the JBR affects water elevations caused by tides and typhoons, with increased elevations between 2.69 and 11.53 cm. Although the aims of the land reclamation as a potential engineering solution are to provide for long-term protection against flooding from the sea, during the worst conditions (e.g., spring tides with perigee and remote forcing from typhoons), land reclamation will actually increase total water levels and amplitude of tidal constituents.

Abstract Image

雅加达湾海水高程和潮汐动力学对海岸填海的模拟响应
雅加达湾填海工程(JBR)是雅加达的一项长期防洪工程。本研究利用区域海洋模型(ROMS)测量残余水位(非天文潮汐)和潮汐以及 2007 年 11 月台风 "哈吉比斯 "和 "米塔格 "造成的总水位,研究了雅加达湾填海工程对水位的影响。结果表明,雅加达湾的潮差在 JBR 之后有所增大,在勿加泗达到 22.4%。主要成分的振幅变化最明显的是 S2,浅水成分的振幅变化最明显的是 MK3。JBR 不会改变雅加达湾 S2 和 MK3 的传播方向,但会改变相位滞后。此外,JBR 还会影响潮汐和台风造成的水位上升,上升幅度在 2.69 至 11.53 厘米之间。虽然填海造地作为一种潜在的工程解决方案,其目的是提供长期保护,防止海水淹没,但在最恶劣的条件下(如近地点春潮和台风的远距离影响),填海造地实际上会增加总水位和潮汐成分的振幅。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Ocean Dynamics
Ocean Dynamics 地学-海洋学
CiteScore
5.40
自引率
0.00%
发文量
37
审稿时长
6-12 weeks
期刊介绍: Ocean Dynamics is an international journal that aims to publish high-quality peer-reviewed articles in the following areas of research: Theoretical oceanography (new theoretical concepts that further system understanding with a strong view to applicability for operational or monitoring purposes); Computational oceanography (all aspects of ocean modeling and data analysis); Observational oceanography (new techniques or systematic approaches in measuring oceanic variables, including all aspects of monitoring the state of the ocean); Articles with an interdisciplinary character that encompass research in the fields of biological, chemical and physical oceanography are especially encouraged.
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