ORCID Profile
0000-0002-5424-7127
Current Organisation
Universiti Malaysia Terengganu
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Publisher: Penerbit UMT, Universiti Malaysia Terengganu
Date: 31-01-2023
Publisher: Universiti Malaysia Pahang Publishing
Date: 30-12-2017
Publisher: Informa UK Limited
Date: 02-03-2015
Publisher: Hindawi Limited
Date: 21-10-2020
DOI: 10.1155/2020/4695894
Abstract: Decommissioning of the offshore platform as an artificial reef, known as Rigs-to-Reefs (R2R), has become a sustainable approach for oil companies. The platform was reused to serve the underwater ecosystem as an artificial reef for a new marine ecosystem which helps to tackle food security issue. This paper presents the findings of the formulation of the reefing viability index to recognize an offshore region that can be used for R2R projects within the South China Sea. The combined effects of spatial data, numerical modelling, and geographic system (GIS) are proposed to study the relationship of spawning ground coral reefs, ersity, and planula larvae in the process of colonization to establish a map of the reef potential environment. Coral connectivity and spawning behaviour were studied to determine the possible source of coral seedling released during the spawning season, twice a year. A geographic reef viability index was established consisting of seven parameters which are coral larval density, pelagic larval length, sea currents, temperature, chlorophyll-a, depth, and substrate availability. The ocean hydrodynamic model was designed to resemble the pattern of larval scattering. By using the simulations and rankings, there were 95 (21%) sites which could probably be used for in situ reefing, whereas 358 (79%) sites were likely ideal for ex situ reefing. Validation of the viability index was carried out using media footage assessment of remotely operated vehicle (ROV).
Publisher: Informa UK Limited
Date: 20-03-2019
Publisher: FapUNIFESP (SciELO)
Date: 2019
Publisher: Hindawi Limited
Date: 03-12-2020
DOI: 10.1155/2020/7014928
Publisher: Hindawi Limited
Date: 23-07-2020
DOI: 10.1155/2020/6957171
Abstract: Introduction . Trawling is a method of catching fish in a large volume where fish nets are pulled through water using one or two boats. Bottom trawling is where the nets are pulled over on the seabed. The gear of the bottom trawling would impact the exposed subsea pipeline, on the seabed. Subsea pipelines transport crude oil and gas from the offshore platform to shore facility. This study assesses the risk of fish trawling activities to the subsea pipelines at Sabah and Labuan offshore. The specification of trawl equipment used by local trawlers in Sabah was determined by the on-site survey. The frequency of a fish trawler crossing over the pipelines was calculated based interview on operation and site survey. The calculation of the pull-over load of the otter board was calculated using the DNVGL algorithm. The severity and frequency index of the risk matrix was developed based on literature review. Results showed that the pull-over load of the otter board would not damage the pipelines. The risk posed by the fish trawler activity to the pipelines is low and moderate.
Publisher: The Korean Society of Fisheries and Aquatic Science
Date: 09-2022
No related grants have been discovered for MOHD HAIRIL BIN MOHD.