Satellite observations of oil spill in the waters adjacent to Taiwan

Chung-Ru Ho; Nan-Jung Kuo; Shu-Chang Liu; Feng-Chun Su; Chih-Chung Tsao; Ming-Kung Hsu

doi:10.1117/12.689264

13 October 2006 Satellite observations of oil spill in the waters adjacent to Taiwan

Chung-Ru Ho, Nan-Jung Kuo, Shu-Chang Liu, Feng-Chun Su, Chih-Chung Tsao, Ming-Kung Hsu

Proceedings Volume 6360, Remote Sensing of the Ocean, Sea Ice, and Large Water Regions 2006; 63600T (2006) https://doi.org/10.1117/12.689264
Event: SPIE Remote Sensing, 2006, Stockholm, Sweden

Abstract

Synthetic Aperture Radar (SAR) images from European Remote Sensing (ERS) satellites are used to investigate oil spill from ship navigations in the water adjacent to Taiwan. A total number of 136 images taken from 1993 to 1997 are used in this study. On the 136 images, only 46 images showing the possibility of oil spill which are based on the position and the shape of the discharge, the path of the ship, the sea characteristics of the area, and the weather conditions. The result shows that oil spill occurs most frequently in spring and least in winter. The sea area off eastern Taiwan has a probability which far surpassed other areas, followed by the middle sea area, the northern sea area, and the southern sea area. Regarding the oil spills at different areas with the distance to the shore, the oil spills at the middle area, with an average distance of 50 km (28 nautical miles), is closer than those at other areas. The statistical analysis demonstrates that the oil spill around Taiwan mostly occurs over 44 km (24 nautical miles) away from shore. Therefore, it is obvious that the probability of oil spills occurring as a ship leaves or enters the harbor is not high. Instead, the majority of oil spills takes place from middle to long distance navigating fishing boats as well as from oil and cargo freighters navigating international waterways.

Citation Download Citation

Chung-Ru Ho, Nan-Jung Kuo, Shu-Chang Liu, Feng-Chun Su, Chih-Chung Tsao, and Ming-Kung Hsu "Satellite observations of oil spill in the waters adjacent to Taiwan", Proc. SPIE 6360, Remote Sensing of the Ocean, Sea Ice, and Large Water Regions 2006, 63600T (13 October 2006); https://doi.org/10.1117/12.689264

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