Modeling of hydro-oceanographic parameters and its possible impact on coral reef cover in Derawan Island waters, East Kalimantan, Indonesia

Adalya, Natasya Michelle; Mutaqin, Bachtiar Wahyu

doi:10.1007/s40808-022-01355-0

Cited by 6 publications

(5 citation statements)

References 49 publications

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“…Determining the type of tides can be known of them through the results of the Admiralty method analysis (Glen, 2015;Tapilatu et al, 2022;Adalya and Mutaqin, 2022;Hoseini and Soltanpour, 2022). The Admiralty method is a simplified graphical method for obtaining tidal curve predictions to provide estimates generated with full predictions using far more data (Glen, 2015;Tapilatu et al, 2022).…”

Section: Methodsmentioning

confidence: 99%

“…The Admiralty method can calculate the highest high tide or Highest High-Water Level (HHWL) and lowest low tide or Lowest Low Water Level (LLWL) (Glen 2015;Tapilatu et al 2022). The advantage of this method is that it can be used in various water conditions and requires input for a short observation period (Glen, 2015;Tapilatu et al, 2022;Adalya and Mutaqin, 2022;Hoseini and Soltanpour, 2022). Therefore, the Admiralty method is widely used in research on tides.…”

Section: Methodsmentioning

confidence: 99%

“…Therefore, the Admiralty method is widely used in research on tides. The data obtained from each station was then processed using the Admiralty method to obtain the amplitude values of the tidal harmonic constants (Table 2), including the Formzahl values (Tapilatu et al, 2022;Adalya and Mutaqin, 2022). Calculation of the Formzahl value for determining the type of tide (Table 3) is obtained by comparing the amplitude (wave height) of the leading single tide elements with the main double tide elements using the formula in Equation 1 (Tapilatu et al, 2022).…”

Section: Methodsmentioning

confidence: 99%

“…As an archipelagic country with a shoreline of more than 90,000 km (Pushidrosal, 2018;BIG, 2021;BPS, 2021), information related to hydro-oceanographic parameters is essential. This information can be used in many ways, such as planning coastal areas, managing marine and coastal resources, as well as mitigating coastal disasters (Hamuna et al, 2018;Fitriana et al, 2019;Adalya and Mutaqin, 2022;Isnain and Mutaqin, 2023).…”

Section: Introductionmentioning

confidence: 99%

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Tidal Characteristics in Southern Waters of Java - Indonesia

Mutaqin,

Ningsih

2023

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Detailed information regarding tidal characteristics in Indonesian waters is not yet available evenly, including in the southern waters of Java. Tides are one of the most essential hydro-oceanographic parameters in water dynamics. Therefore, this study aims to analyze the characteristics of the tides in the southern waters of Java, starting from Banten Regency in West Java to Malang Regency in East Java. Tidal data with measurement intervals every one hour were collected from December 23, 2022, to January 20, 2023, from ten tide stations with details: 1 station each in Banten and Central Java, three stations each in West Java and East Java, as well as two stations in Yogyakarta. Data from each station is then processed using the Admiralty method to obtain tidal harmonic constant and Formzahl values. Based on the tidal harmonic constants' amplitude and the Formzahl values (F), the tidal type in the southern waters of Java is a mixed tide prevailing semi-diurnal (F ranged from 0.64 - 1.34). The tidal range in the southern waters of Java ranges from 178 - 332 cm. In more detail, Banten and Pelabuhan Ratu waters are classified as micro tides (the tidal range is 178 and 182 cm, respectively). At the same time, the rest are categorized as meso tides (tide range between 200 - 400 cm).Keywords: Tidal Type, Admiralty, Formzahl, Tidal Range, Indian Ocean

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Tidal Characteristics in Southern Waters of Java - Indonesia

Mutaqin,

Ningsih

2023

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“…Table 2 displays the coordinates of the sampling locations for each type of data measurement. The classification of tidal types is determined based on the Formzahl number divided according to the following criteria [35,36] This value can be calculated using the following Equation ( 1):…”

Section: Sampling and Data Collectionmentioning

confidence: 99%

Hydrodynamic Analysis-Based Modeling of Coastal Abrasion Prevention (Case Study: Pulau Baai Port, Bengkulu)

Irmawan,

Imaaduddiin,

Alam

et al. 2024

Applied Sciences

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Pulau Baai Port, located strategically in the Indian Ocean and considered a vital maritime hub in Indonesia, grapples with persistent challenges related to abrasion and sedimentation, which negatively impact its maritime infrastructure. One of the affected components is the exposed gas pipeline installation along the port’s coastline. The sedimentation rate along Pulau Baai’s coastline is alarming, ranging from 600,000 to 800,000 m3/year, resulting in coastal abrasion at a rate of up to 20 m/year. This study focuses on three scenarios using MIKE 21, including a baseline without alternatives, shore protection alternatives, and jetty protection alternatives. A comprehensive dataset, incorporating bathymetric maps, wave patterns, current data, and sediment characteristics, supports the analysis of coastal dynamics, emphasizing the urgency for intervention. The research introduces the novelty of analyzing coastal abrasion through the exposure of underground pipelines, establishing a relationship between impacting factors such as wave height, tides, sedimentation, and coastal abrasion. Mitigation alternatives, particularly alternative model-2 with jetty protection, are recommended based on a thorough evaluation of the model performance and actual measurements. The results show that Pulau Baai’s sediment, primarily sandy, experiences substantial abrasion and coastline changes, notably in alternatives-2 and -3. The study anticipates potential sedimentation in certain sections of the subsea exposed pipelines in the absence of shore protection. The outcomes of this research provide a foundational guide for informed decision making and strategies to ensure the sustainable functionality of maritime infrastructure in Pulau Baai and similar coastal regions.

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Multi-hazard assessment in the coastal tourism city of Denpasar, Bali, Indonesia

Widantara,

Mutaqin

2024

Nat Hazards

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Modeling of hydro-oceanographic parameters and its possible impact on coral reef cover in Derawan Island waters, East Kalimantan, Indonesia

Cited by 6 publications

References 49 publications

Tidal Characteristics in Southern Waters of Java - Indonesia

Tidal Characteristics in Southern Waters of Java - Indonesia

Hydrodynamic Analysis-Based Modeling of Coastal Abrasion Prevention (Case Study: Pulau Baai Port, Bengkulu)

Multi-hazard assessment in the coastal tourism city of Denpasar, Bali, Indonesia

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