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Journal : Civil Engineering Journal

Assessing Sediment Transport and Shoreline Dynamics in High-Energy Tropical Coasts Umar, Hasdinar; Paotonan, Chairul; Rachman, Taufiqur; Nur, Sitti Hijraini; Muhiddin, Amir H.; Maming, Muhammad Idhil; Andriadi, Andi M. Rezky; Assidiq, Fuad Mahfud
Civil Engineering Journal Vol. 11 No. 7 (2025): July
Publisher : Salehan Institute of Higher Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/CEJ-2025-011-07-022

Abstract

This research examines coastal erosion in North Galesong, Indonesia, by validating longshore sediment transport (LST) equations and predicting shoreline changes over ten years. To evaluate sediment movement and coastline alterations, it integrates field data on sediment grain size and wave characteristics with numerical modeling techniques, including the CERC equation and finite difference methods. Sieve analysis revealed a range of sediment textures (D50: 0.17–0.65 mm), predominantly medium-fine sand. Wave analysis indicated a dominance of moderate energy southwesterly waves (1.5 m height, 6.39 s period) that aid sediment transport. The empirical LST models, calibrated with local data, closely matched numerical simulations (error <20%), predicting an annual net northward sediment transport of 406,869 m³. Shoreline analysis across 15 segments showed significant spatial variability: severe erosion occurred in Cell 4 (Δy = -0.82 m), while Cell 3 saw accretion (Δy = +0.68 m), influenced by wave direction, sediment supply, and coastal morphology. This study underscores the value of hybrid empirical-numerical methods in data-scarce regions and emphasizes the need for local model calibration to enhance coastal resilience. The findings inform sustainable management practices, promoting adaptive strategies to address sediment imbalances and hydrodynamic changes due to climate factors.
Co-Authors ., Ardi ., Ashury A. Narayana Jufri, Muhammad Fauzan Achmad Yasir Baeda Adiputra, Ristiyanto Adnan, Septian Rahmat Alie, Muh. Zubair Alkhaer, Ilham Andini, Emanuela Tasya Andriadi, Andi M. Rezky Arafat, Andi Muhammad Alfian Arief Suwandi Arifki, Muhammad Alif Alim Arsyad Thaha, Muhammad Ashury - Ashury, Ashury Assidiq, Fuad Mahfud Awal, Muhammad Andika Samudera Ayu Novia Lestari, Putri Ayyub Ansyari B, Muhammad Bambang Soegijono Budhy Kurniawan Chairul Paotonan Cristofer Ewaldo Daeng Paroka Damayant, Riska dj, ashury Djamaluddin, Ashury Dundu, Denis Restuardi Eko Yusroni Emanuela Tasya Andini Ewaldo, Cristofer Fachry Abda El Rahman Faizin, Agus Fauzan, Dzaky Feby Z Octafani Firman Husain Firman Husain Fitriana Rezki Ganding Sitepu Habibi Palippui Haryo Dwito Armono Hasdinar Umar Idsan, Muhammad Akhsal Ikram, Andi Muhammad Indah Puspita Sari, Indah Puspita Iphov Kumala Sriwana Irfaniyanti, Irfaniyanti Irma Handayani, Irma Istianto B Rahardja Jalil, Jalil Jatikusumo, Amarilis Jesica Jepni D. A Jumadi Jumadi Juswan - Juswan . Juswan Sade Juswan, Juswan Kasba, Putri Sriwahyuni Kriyo Sambodho Kurniawan, Abdi M. Derajat Amperajaya M. Derajat Amperajaya Makmur, Irfan Maming, Muhammad Idhil Masri, Andi Muhammad Maulid Muhajirin Muhajirin Muhammad Fadly Muhammad Zubair M Alie Muhammad Zubair Muis Alie Muhammad Zubair Muis Alie, Muhammad Zubair Muhiddin, Amir H. Murdopo, Ragil Musfirah Cahya Fajrah Mustika, Andi Mega Nabila Noor Izmi Nasir, Andi Mega Mustika Nisa, Mu’minatung Nofi Erni Nofi Erni Nofi Erni Nofi Erni Noor Izmi, Nabila Nur, Fitrahwati Pairunan, Teguh Pata’dungan, Geby Phady, Adriani Prasetyo, Adil Farhan Purnama, Bulan Rachmi, Nur Rahim, Fitri Ramadani Rahmat, Nabila Ainun Nur Ramadhan Umar, Muhammad Fitrah Ramasari, Dian Reskiyanti, Reskiyanti Restuardi Dundu, Denis Rezki, Fitriana RILLA GANTINO Rina Anindita Rizky, Zakinah Roesfiansjah Rasjidin Sabaruddin Rahman Safitri Safitri Savhanta Tonapa, Royh Septian Rahmat Adnan Septian Rahmat Adnan Shirly Wunas Sitti Hijraini Nur Soeratno, Soeratno Sriwana, Nur Mutia Suci, Indah Melati Suleman, Siti Arifaini Suleman, Yuliani Suriamihardja, Dadang Suriamiharja, Dadang A. Suyono Suyono Syaifullah, Muh Syamsuri, A. M. Syamsuri, Andi Makbul Thaha, Arsyad Timang, Novrian Yosua Ujang Juwardi Utama, Muhammad Furqan Lizak Watunglawar, Darmiolla Natasia Widianingrum, Windi WPT, Ari Anggrani Yudha Pratama, Andi Zubair Muis Alie, Muhammad Zulfikar, Ananda Muhammad