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All Journal Jurnal Sumberdaya Akuatik Indopasifik Journal of Fisheries & Marine
Harahap, Zulhan Arifin
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science

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Shoreline Change Detection Using DSAS: Case Study in PT IWIP Mining Industrial Area, North Maluku Province, Indonesia Wahidin, Nurhalis; Susanto, Adi Noman; Irham; Harahap, Zulhan Arifin; Salnuddin; Aris, Muhammad
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 2 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v17i2.64271

Abstract

Graphical Abstract   Highlight Research DSAS based on geographic information systems has the ability to extract important information on the dynamics of shoreline changes, both accretion and abrasion. The dynamics of shoreline change in the short period of time 2018-2023 in the IWIP industrial area shows a very dynamic change process dominated by accretion. The conversion of beach into land was more prevalent than the process of shoreline retreat in the study area. The abrasion rate in this study area was categorized as moderate, while the accretion rate was categorized as very high due to construction activities.     Abstract The development of industrial estate infrastructure in coastal areas causes significant changes in coastal morphology. Despite extensive infrastructure development in coastal zones, limited empirical data exists on the shoreline dynamics of newly established industrial estates, particularly in Eastern Indonesia, thus highlighting the urgency of this study. This study investigates coastal morphology changes in the PT Indonesia Weda Bay Industrial Park (IWIP) industrial area over five years using Landsat 8 OLI level 2A satellite imagery and geospatial analysis. Shoreline extraction was performed using the Normalized Difference Water Index (NDWI) algorithm and analyzed with the Digital Shoreline Analysis System (DSAS) applying the Net Shoreline Movement (NSM), End Point Rate (EPR), and Linear Regression Rate (LRR) methods. The findings show that from 2018 to 2023, the shoreline in the PT IWIP area predominantly experienced accretion. The highest rate of shoreline accretion occurred in industrial zone, with a maximum of 147.58 m/year and an average of 36.56 m/year, while residential zones in the eastern and western regions experienced moderate abrasion, with a maximum of 12.32 m/year and an average of 4.11 m/year. Categorization followed standard DSAS criteria, where shoreline changes between 10–30 m/year were considered moderate, and changes above 30 m/year were classified as very high. Measurement accuracy was validated using high-resolution Google Earth imagery and Landsat metadata, ensuring positional accuracy within ±30 meters. These results highlight the rapid and spatially varied shoreline changes driven by industrial activities, emphasizing the importance of remote sensing in monitoring and managing coastal development impacts
Ekologi dan Dimensi Pengelolaan Keberlanjutan Mangrove (Studi Kasus Lokasi Ekowisata Guraping, Kota Tidore Kepulauan, Maluku Utara) Paembonan, Rustam Effendi; Akbar, Nebuchadnezzar; Ibrahim, Abjan; Tahir, Irmalita; Baksir, Abdurrachman; Marus, Ikbal; Najamuddin, Najamuddin; Ismail, Firdaut; Wibowo, Eko S; Siolimbona, Abdul Ajiz; Harahap, Zulhan Arifin; Mutmainnah, Mutmainnah; Angkotasan, Abdul Motalib; Zamani, Neviaty P; Arafat, Dondy; Subhan, Beginer; Natih, Nyoman MN; Rahman, Rahman; Rahimah, Insaniah; Harahap, Zulham Apandy
Jurnal Sumberdaya Akuatik Indopasifik Vol 8 No 4 (2024): November
Publisher : Fakultas Perikanan dan Ilmu Kelautan, Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46252/jsai-fpik-unipa.2024.Vol.8.No.4.412

Abstract

The mangrove ecosystem is a potential coastal and marine area that has a very important resource function. The mangrove ecosystem must be managed sustainably so that it can provide optimal benefits, especially the mangrove ecosystem in Guraping Village which has been designated as an ecotourism area. The aim of this research is to analyze the ecological condition of the mangrove ecosystem and analyze the dimensions of sustainable management of the mangrove ecosystem in Guraping Village. The method used in this research line transect method with a 10x10 meter quadrant to determine ecological conditions. Interviews were conducted with key respondents from stakeholders and the dimensions of sustainable management were analyzed using Rapfish. Measurement of environmental parameters directly on site. The results obtained from this research can determine the ecological condition of mangroves at the research location which still have good status based on the number of species, species density, species cover, diversity index, mangrove canopy cover data. The calculation of the results of the assessment of the dimensions of mangrove sustainability management, which consists of ecological dimensions, economic dimensions, socio-cultural dimensions, legal, institutional and policy dimensions and technological and infrastructure dimensions, is classified as a less accountable level category.
Co-Authors Abdul Motalib Angkotasan Abdurrachman Baksir, Abdurrachman Abjan Ibrahim, Abjan Adi Noman Susanto Aris, Muhammad Beginer Subhan Dondy Arafat Ikbal Marus, Ikbal irham Irmalita Tahir, Irmalita Ismail, Firdaut Mutmainnah Mutmainnah Najamuddin Najamuddin, Najamuddin Nebuchadnezzar Akbar NEVIATY PUTRI ZAMANI Nyoman M N Natih Rahimah, Insaniah Rahman Rahman Rustam Effendi Paembonan, Rustam Effendi Salnuddin Siolimbona, Abdul Ajiz Wahidin, Nurhalis Wibowo, Eko S Zulham Apandy Harahap