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IJOCE (International Journal of Offshore and Coastal Engineering)
Published by Institut Teknologi Sepuluh Nopember Surabaya
ISSN : -     EISSN : 25800914     DOI : -
Core Subject : Engineering,
Engineering
IJOCE, International Journal of Offshore and Coastal Engineering, is an academic journal on the issues related to offshore, coastal and ship science, engineering and technology. Published quarterly in February, May, August, and November.
Arjuna Subject : -
Articles 92 Documents
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Factors that Influence Performance Assessment of the Number of Seafarer Requests in the Manning Agency Akbar, Muhammad; Achmadi, Tri; Widya Kurniawan, Murdhifin Zulmy
International Journal of Offshore and Coastal Engineering (IJOCE) Vol 8, No 2 (2024)
Publisher : Pusat Publikasi Ilmiah Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25800914.v8i2.22070

Abstract

Manning Agency, better known as the Barombong Maritime Polytechnic, founded BMP Manning Agency as a forum for producing reliable and professional sailors in the global maritime industry. Based on the results of social and stakeholder studies as well as several literature reviews, it is known that prospective ship crews who will be transferred to Manning agency partner companies set several quality standards apart from the administration and expertise that prospective crew members have because the Manning agency's task is to prepare ship crews, so this aspect is also a significant concern in addition to the theory of expertise required. For this reason, this research covers the problem of assessing the self-quality of seafarers, which indicates a problem and challenge that seafarers must resolve. The Manning agency and Borombong Maritime Polytechnic need to improve the image and quality, especially the number of seafarers transferred to the Company, so that they not only fulfil the requirements at the beginning but still maintain self-quality until going into the field to work. The method used is multiple linear regression, where it is known that the variables that influence the number of sailors transferred are the Discipline Level Variable (X1), the Responsibility Level Variable (X3) and the Team Cooperation Level Variable (X4) with model goodness of 74.41%. Therefore, the Manning Agency must pay more attention to these three variables.
Harnessing Ocean Alkalinity Enhancement (OAE) for CO₂ Decomposition and Renewable Energy Production : The AODOP Innovation Towards Net-Zero Emissions 2060 Batami, Jennifer; Rafif P, Nadhif; Dewi, Syafira
International Journal of Offshore and Coastal Engineering (IJOCE) Vol 8, No 2 (2024)
Publisher : Pusat Publikasi Ilmiah Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25800914.v8i2.22079

Abstract

As the concentration of carbon dioxide (CO₂) in atmosphere increases, carbon emissions entering the oceans have become a significant concern in context climate change studies as stated by the Intergovernmental Panel on Climate Change (IPCC) report, 30% of anthropogenic CO₂ emissions are absorbed by the oceans, leading decrease in ocean pH and harmful impacts on marine ecosystems. In order to address this challenge, Ocean Alkalinity Enhancement (OAE) has emerged as a promising strategy. By using calcium carbonate compounds, OAE aims to increase seawater alkalinity and enhance its capacity to decompose CO₂. The practical implementation of OAE until now is still under further research. Therefore, the initial stage of this application will be carried out in a storage tank as an initial trial before being applied on a large scale. Furthermore, the results of the OAE process can contribute to production of renewable energy through the implementation of Pressure Retarded Osmosis (PRO) technology, which leverages the salinity gradient between seawater with high alkalinity and freshwater to generate energy. By combining OAE with PRO this approach offers a promising pathway toward a thriving blue future to facilitate the integration of marine ecosystems in achieving sustainability and net-zero emission by 2060.

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