통계자료를 이용한 국내해역의 선박기름유출사고 장기 추세 분석 = Analysis of Long-term Trends of Domestic Marine Oil Spills from Ships in Korea Using Statistical Data

다국어 초록 (Multilingual Abstract)

Domestic marine oil spill incident statistics are difficult to accurately represent midvalue
(e.g., average value) for the actual conditions of marine oil spills in Korea, due
to the rare occurrence of large-scale oil spills from oil tankers and the frequent
occurrence of unexpected oil spills from specific vessels such as fishing boats.
Besides, in the previous relevant studies or reports in Korea, there was a limit to
properly interpreting or predicting the long-term trend of domestic marine oil spills
because relatively short-term statistical data were used to analyze the actual situation
of marine oil spill incidents in Korea.
This study, therefore, investigated the long-term trend of oil spills from ships in
domestic waters using statistical data on domestic marine oil spills for 41 years from
1980 to 2020, and compared the result of domestic trend with the global trend of
marine oil spills. In the last 41 years, there have been three large-scale oil spill
incidents in which the respective volumes of domestic marine oil spills exceed
10,000 kl, accounting for 58% of the total spillage volume in Korea. The oil spill
volume for 20 years after 2000 (2000-2019) was about 26,745 kl, which was about
50% lower than the oil spill volume of 53,725 kl for the 20 years before 2000 (1980-
1999). In addition, the amount of oil spills in the 2010s was about 5,396 kl, which
was about 75% lower than that of 21,350 kl in the 2000s.
The results of analyzing the long-term trend of marine oil spills showed that the
annual number and amount of oil spills occurred in domestic coastal waters of Korea
were decreasing year by year, which was very similar to the global trend. However,
the trend of frequent occurrence of unexpected oil spills by fishing boats in the
domestic coastal waters was different from the occurrence trend of marine oil spills
by large cargo ships such as oil tankers. The results of this study are expected to be
used as basic data for the establishment of national policies and strategies for the
prevention and control of domestic marine oil spills.

목차 (Table of Contents)

• Abstract ii
• List of Figures iv
• List of Tables. vi
• Chapter 1 - Introduction
• 1.1 Oil spills in the environment 1
• 1.2 Aim. 6
• 1.3 Dissertation structure. 7
• Chapter 2 - Background
• 2.1 Methodology. 8
• 2.2 Volume of international maritime trade . 12
• 2.3 World ship fleets . 19
• 2.4 Korean fleets. 21
• Chapter 3 – Results and Discussion
• 3.1 Trends in spill numbers and volumes. 24
• 3.1.1 Distribution of spill numbers and volumes 26
• 3.1.2 Oil spills from all sources . 32
• 3.2 Relationship between key factors and spill numbers and volumes 35
• 3.2.1 Fishing boats with cause of oil spills. 36
• 3.2.2 Small-scale oil spills with high frequency of accidents 43
• 3.2.3 Spills volumes of Tankers vs. Non-tankers 48
• Chapter 4 – Conclusion. 51
• References