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Journal : Jurnal Segara

The Mechanisms of Coastal Erosion in Northeast Bali Semeidi Husrin; Roka Pratama; Aprizon Putra; Hadi Sofyan; Nia Naelul Hasanah; Nita Yuanita; Irwan Meilano
Jurnal Segara Vol 12, No 2 (2016): Agustus
Publisher : Pusat Riset Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2159.913 KB) | DOI: 10.15578/segara.v12i2.7681

Abstract

Marine tourism sector in the Northeast Bali, Indonesia, experienced rapid development in the last decades. However, severe coastal erosion in some parts of the area has threaten the industry. Unsuccessful mitigation measures have been carried out by authorities by constructing seawalls along the coastline. The objective of the study is to understand the physical processes related to coastal erosion in the area and to assess the effectiveness of seawall along the coastline. To achieve the objectives, a GIS approach was carried out to investigate general changes of the coastline since 1944 until 2013. Hydrodynamics analyses and sediment transport simulations were also conducted and validated by the data from field measurements. The role of Mount Agung (a volcanic mountain) to the coastal dynamic system was also investigated. Moreover, the data from cGPS measurements in the island were also used for the analysis of possible land subsidence in the area. From social aspects, the history of USAT Liberty Shipwreck in Tulamben Village supports the analyses and provides information on the evolution of coastline in the area. We conclude that coastal erosion in North-east Bali has long been occurred and strongly affected by the dynamics of hydro-oceanography, volcanic activities, geological dynamics, and human interferences. Finally, the mechanism of coastal erosion in the area was also proposed.
Co-Authors A. D. Wirakusumah A. D. Wirakusumah Achmad Faris Agidia L. Tiaratama Agung Syetiawan, Agung Alfita Puspa Handayani Alfita Puspa Handayani Alifah Hanif Aprizon Putra Ari Setiawan Bagoes Dwi Ramdhani Binta, Izaza Budi Parjanto D. Darmawan D. Darmawan Dahlan, Mohammad Zaini Danny Hilman Natawidjaja Danny Hilman Natawidjaja Dina A. Sarsito Dina A. Sarsito, Dina Dina Anggraeni Dina Anggraeni Sarsito Dina Anggraeni Sarsito Dina Anggraeni Sarsito, Dina Dina Anggreni Sarsito Dina Sarsito Dudy D. Wijaya Dudy Darmawan Wijaya Dudy Darmawan Wijaya, Dudy Dwi Arini Endra Gunawan Estu Kriswati Evita, Maria F. Kimata F. Kimata Faisal, Budi Gina Andriyani Goro , Garup Lambang H. Andreas H. Andreas Hadi Sofyan Hanif, Alifah Hanny Hafiar Hasanuddin Z. Abidin Hasanuddin Z. Abidin Hasanuddin Z. Abidin Hasanuddin Z. Abidin Hasanuddin Z. Abidin, Hasanuddin Hendra Gunawan Henri Kuncoro Heri Andreas Heri Andreas Herlan Darmawan I Gst Ngr Yoga Jayantara Ilham Jamel Ilham Jamel, Ilham Imam Suyanto Intan H Fitri Irwan Gumilar, Irwan Irzaman, Irzaman Jayawarsa, A.A. Ketut Joni Efendi Joni Efendi, Joni Kobayashi, Hirohide Kosasih Prijatna, Kosasih Kumalasari, Ratih Kuncoro, Henri M. A. Kusuma M. A. Kusuma M. A. Purbawinata M. A. Purbawinata M. Asrurifak, M. M. Gamal M. Gamal M. Hendrasto M. Hendrasto Maria Evita Marta Nugraha Hidayat Masyhur Irsyam Mitra Djamal Moehammad Awaluddin Moh Yasin Mustikawati, Sekar Tanjung Nia Naelul Hasanah Nina Siti Aminah Nita Yuanita Ony K. Sugandar Ony K. Sugandar Pahlevi, Arisauna Maulidyan Pamumpuni, Astyka Prijatna, Kosasih Prijatna, Kosasih Purwaningrum, Rr Diah Asih Purwaningsih, Rr Diah Asih Putra Maulida Putra, Heriansyah Rahmy, Widyastri Atsary Ramdhani, Bagoes Dwi Rani, Medria Shekar RATIH KUMALASARI Ratih Kumalasari Retna Apsari Riko Maiyudi Rino Rino Rino Rino Roka Pratama S. Susilo Sarah Leila Hanief Sarah Leila Hanief, Sarah Sarsito, Dina Semeidi Husrin Shibata, Shozo Sofian, Ibnu Sri Widiyantoro Suchi Rahmadani Suryanto, Wiwit Susilo Susilo Susilo Susilo Sutomo Kahar Tanuwijaya, Zamzam Akhmad Jamaluddin Teriyuki Kato Wahyu Srigutomo Wahyudi Wahyudi Widjaja Martokusumo, Widjaja