Analisis Kenaikan Muka Air Laut terhadap Banjir Rob di Desa Mayangan, Kabupaten Subang, Jawa Barat

Gracia Artha Buating; Olga Catherina Pattipawaej

doi:10.28932/jts.v22i2.11821

Authors

Gracia Artha Buating Program Sarjana Teknik Sipil, Universitas Kristen Maranatha, Bandung, 40164, Indonesia
Olga Catherina Pattipawaej Program Sarjana Teknik Sipil, Universitas Kristen Maranatha, Bandung, 40164, Indonesia

DOI:

https://doi.org/10.28932/jts.v22i2.11821

Keywords:

Mayangan Village, Sea Level Rise, Tidal Flooding, Water Inundation

Abstract

Coastal flooding (often referred to as banjir rob), which is inundation occurring in coastal areas due to a combination of storm surges and extreme high tides, causes significant damage in affected regions. Pondok Bali in Mayangan Village, Legonkulon District, Subang Regency, West Java, is one of the most severely impacted areas. This study aims to analyze the influence of various sea level rise components (wind/storm surge, waves, tides, and global warming) on coastal flooding events, and to evaluate their impact on infrastructure and affected areas. A quantitative method was used to systematically calculate and analyze the key factors contributing to sea level rise, including wind-driven water push, wave-induced increase, and tidal variations. Long-term sea level rise estimation due to global warming was also performed to determine the design sea level elevation. The results indicate that the increase in sea level, particularly tidal variations, is the greatest potential cause of coastal flooding in Pondok Bali. The maximum inundation height recorded was 18.51 cm in January 2023. The impact of the flooding is clearly visible, submerging residential areas and even forcing residents to evacuate. This research confirms the potential for coastal flooding and provides an important basis for risk evaluation and the development of effective mitigation strategies.

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