The uneven petroleum distribution in the world and various countries' dependence on the petroleum for economic development make maritime oil shipping an extremely important way for various countries to launch oil trade. Marine oil shipping, while bringing economic benefits to various countries, witnesses oil spill accidents by oil tankers, which led to losses to oil trading and shipping countries and seriously polluted the marine ecological environment. The tanker shipping pollution and oil spills’ damages to the marine environment have drawn much attention. This paper sets up an entropy weighted grey relation analysis method to analyze key contributors to oil spills, and evaluates the extent of impacts of each factor in different ship operations. Based on actual conditions of global oil tankers, we chose seven dominant contributors to global tanker oil spills for evaluation, and established an analytic framework of global tanker oil spill factors based on the combined method, with specific analysis steps and methods provided. Finally, we conducted a model empirical study based on history data of global tanker oil spills in the past 46 years from 1970 to 2015 to verify the practicability and effectiveness of the model established in this paper for analyzing global tanker oil spill factors. The results of this study are conducive for government departments and policy makers to take appropriate and effective strategies to manage and prevent global tanker oil spills.
Journal of Cleaner Production – Elsevier
Published: Apr 10, 2018
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