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Environmental capacity of petroleum hydrocarbon pollutants in Jiaozhou Bay, China: Modeling and calculation |
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| Authors: | LI Keqiang SU Ying YING Jun WANG Xiulin MU Jinbo |
| Institution: | 1. College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, P.R. China;Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China,Qingdao 266100, P.R. China 2. College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, P.R. China 3. Shandong Entry-Exit Inspection and Quarantine Bureau, Qingdao 266001, P.R. China 4. Shandong Academy of Environmental Science, Jinan 250013, P.R. China |
| Abstract: | An environmental capacity model for the petroleum hydrocarbon pollutions (PHs) in Jiaozhou Bay is constructed based on field surveys, mesocosm, and parallel laboratory experiments. Simulated results of PHs seasonal successions in 2003 match the field surveys of Jiaozhou Bay resaonably well with a highest value in July. The Monte Carlo analysis confirms that the variation of PHs concentration significantly correlates with the river input. The water body in the bay is reasonably subjected to self-purification processes, such as volatilization to the atmosphere, biodegradation by microorganism, and transport to the Yellow Sea by water exchange. The environmental capacity of PHs in Jiaozhou Bay is 1500 tons per year IF the seawater quality criterion (Grade I/II, 0.05 mgL?1) in the region is to be satisfied. The contribution to self-purification by volatilization, biodegradation, and transport to the Yellow Sea accounts for 48%, 28%, and 23%, respectively, which make these three processes the main ways of PHs purification in Jiaozhou Bay. |
| Keywords: | Environment capacity Modeling Petroleum Hydrocarbon Pollutants Jiaozhou Bay |
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