中文摘要：

通过南方滨海区大型石化项目案例研究,设定了该类项目的事故情景,用石油类污染物作为特例,预测了其在事故情景下的空间变化及其对地下水环境造成的影响;针对滨海区地质和水文地质特点,提出了截渗墙和防渗层两种地下水环境保护措施,对每个措施的有效性进行了预测,结果表明,两种措施都能有效地阻滞石油类污染物在地下水环境中的迁移,从而为滨海区大型石化项目的地下水环境影响评价提供了可借鉴的方法.

英文摘要：

The paper discussed protection-measures of groundwater environment impacted by large-scale petrochemical project in the coastal zone. At different assumed accident scenarios, temporal-spatial variation of typical contaminants from the petrochemical industry and impacts on groundwater were predicted. According to hydrogeological conditions of the coastal zone, cutting-off wall and impermeable layer were suggested. The modeling indicated that these two groundwater protection measures might be effective for controlling migration of petroleum pollutants.