The impact of two oil spill events on the water quality along coastal area of Kenting National Park, southern Taiwan

Chen, Chung-Chi; Tew, Kwee Siong; Ho, Ping-Ho; Ko, Fung-Chi; Hsieh, Hung-Yen; Meng, Pei-Jie

The impact of two oil spill events on the water quality along coastal area of Kenting National Park, southern Taiwan

2017

In 2009, the container ship Colombo Queen and the oil tanker W-O BUDMO grounded off Jialeshui and Houwan, respectively, in southern Taiwan. Water quality was monitored at each site to evaluate the environmental impact caused by the resulting oil spills. The results show that the PAHs, turbidity, and other nutrients increased shortly after oil spill, however levels of these parameters eventually returned to baseline levels. On the other hand, DO saturation, pH and chl. a decreased initially, reached maxima after 10days, and returned to the baseline levels after 14days. The chl. a concentration, pH and DO saturation fluctuated in a similar pattern at both sites during the oil spills, likely driven by algal blooms. In this study, we documented a full environmental recovery at coastal areas before, during and after the oil spills.

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