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Journal : Jurnal Segara

Characteristics of Marine Litters in the West Coast of Bali Semeidi Husrin; Ulung Jantama Wisha; Rahmadi Prasetyo; Aprizon Putra; Adli Attamimi
Jurnal Segara Vol 13, No 2 (2017): Agustus
Publisher : Pusat Riset Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1720.714 KB) | DOI: 10.15578/segara.v13i2.6449

Abstract

Kuta beach in Bali is a world-famous tourist destination has been suffering from marine litters (or debris) disaster almost every year. Mitigation efforts have been carried out by the local government started from educating the people as well as continuing mass cleaning campaigns for the stranded litters in the beach. The research has an objective to understand the physical processes of marine debris characteristics in Kuta such as its propagation and distribution along the coastline and in the water columns during the two different seasons (West Monsoon and Transitional seasons). A hydrodynamic model was developed to investigate the transport of marine litters from their sources by considering the tide-driven surface currents and wind. Field surveys were also conducted to assess marine litter’s characteristics in the surface and in the sea beds for both plastic and wood types of litters. Hydrodynamic simulation shows that the surface current ranging from 0.05 – 1.75 m/s is capable of transporting marine surface debris from Bali Straits and other sources in the South of Bali to Kuta during West Monsoon season. The collected litters during the West Monsoon season were four times larger in quantity. The concentration of litters in the seabed and in the water column is larger near to the coastline than further offshore. In the meantime, during Transitional season, Kuta was completely free from marine litters. Results from surveys also showed that the most effective measures for marine litters in Kuta is self-awareness of the people to keep the environment clean.
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.
SUITABILITY OF COASTAL ECOTOURISM IN PADANG CITY - WEST SUMATERA: CASE STUDY OF BEACH RECREATION AND MANGROVE Aprizon Putra; Try Al Tanto; Widodo S Pranowo; Ilham Ilham; Harfiandri Damanhuri; Yurni Suasti; Triyatno Triyatno
Jurnal Segara Vol 14, No 2 (2018): Agustus
Publisher : Pusat Riset Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (909.916 KB) | DOI: 10.15578/segara.v14i2.6642

Abstract

The coastline length of Padang city is about 80 km with area 72,000 ha of coastal waters and 19 small islands. Overall, the beach of Padang City consists of the sloping beach (41.52 km), cliff (22.08 km), muddy beach (8.19 km), and also an artificial beach for coastal protection. The research aims to identify the beach that is suitable for coastal ecotourism, including those of beach recreation and mangrove areas. The methodology that was used was to estimate the Ecotourism Suitability Index (ESI) based on weighting and scoring of some physical parameters. The research results for suitability category of recreational beach in Padang City show 18 locations are suitable very (with average 82,28 %), 8 locations are suitable enough (with average 70 %), and only one beach location in front of Bung Hatta University is in conditional category (27 %). The beach suitable for mangrove ecotourism is identified in 6 locations are suitable very (with average 92 %), 9 locations are suitable enough (with average 73 %), 3 locations are suitable conditional (with average 49 %), while those which are not suitable in Carolina (Pasa Laban) beach (33 %).
Co-Authors - Ilham A. Riza Farhan Abdul Hadi Putra Abdul Razak Abellia Fanny Aldeta Aditya Herfianda Aditya Saputra Adli Attamimi Agustian, CH. andi, febriandi Apriadi Agussalim Arlius Arlius, Arlius Arman A Azhari Syarief Baqi, Ahmad Iqbal Bayu Wijayanto binti Muhammad Yusoff, Safiah Yusmah Cipta Estri Sekarrini Damanhuri, Harfiandri Daniel Friess Deded Chandra Dedi Hermon DEFITA, NILA RAHMAD Dian Adhetya Arif dion, nofrion Dwi Marsiska Driptufany Efriyeldi, Efriyeldi Eni Kamal Eni Kamal Eri Barlian Erianjoni Erianjoni Fadhilah, Lamis Tharra Fajrin Fajrin Fitriandhini, Dwi Fredinan Yulianda Fuji Astuti Febria Gunardi Kusumah Gunardi Kusumah Gunardi Kusumah H L Salim Hadi Sofyan Handayuni, Linda Heldi Heldi, Heldi Helfia Edial Hendry Frananda, Hendry Henny Yulius Herdiana Mutmainah Herdiana Mutmainah, Herdiana Husrin, Semeidi Ilham . Ilham Ilham Ilham Ilham Ilham, Ilham Indang Dewata irwan meilano Iswandi U Iswandi Umar Jaya Kelvin Koko Ondara Kusumah, Gunardi Lailatur Rahmi Lia Hasmita Lionar, Uun M Ramdhan Maulidna, Firma Memo Memito Mira Hasti Hasmira Muhammad Hidayat Mulya Gusman Mustapha, Muzzneena Ahmad Nia Naelul Hasanah Nita Yuanita Nova, Sari Novitri, Awinda Nurfadhilla Nurfadhilla Nurul Rahmadilla Edgar Oktorie, Olivia Olivia Oktorie Onsardi, Onsardi Osronita Osronita Prabowo, Aris Pratama, Roka Putri, Sri Kandi Rachrin, Rachma Deli Radha Karina Putri Rahadhatul Aisy Rahmadi Prasetijo Ramadhan, Riski Rammadani Yusran Randu Prayoga Putra Ratna Wilis Rery Novio Roka Pratama Rosmadi bin Fauzi Rusdi Rusdi Semeidi Husrin Semeidi Husrin Semeidi Husrin Semeidi Husrin Semeidi Husrin Semeidi Husrin Semeidi Husrin Semeidi Husrin Semeidi Husrin Semeidi Husrin Serly Mutia Sari Shintia Franzela Sri Mariya Suparno . T A Tanto Tanto, Try Al Tanto, Try Al Tasa Anike Triyatno Triyatno Triyatno Triyatno Triyatno, . Try Al Tanto Try Al Tanto Try Al Tanto Try Al Tanto Try Al Tanto Try Al Tanto Try Al Tanto, Try Try Al Tanto, Try Al Ulung Jantama Wisha Ulung Jantama Wisha Ulung Jantama Wisha Ulung Jantama Wisha Umar, Iswandi Widodo S Pranowo Widodo S Pranowo Widodo S. Pranowo Widya Prarikeslan Wilson Novarino Wisha, Ulung Jantama Yulius Yulius Yunhendri Danhas Yurni Suasti Zaim, Ryanda Luthfi Zuhrita, Anissa