摘要
海洋溢油事件频率增加,严重影响了生态环境。该研究收集MODIS叶绿素a数据和现场资料,对全球20次重大海洋溢油事件后浮游植物进行了研究分析。结果显示,溢油可能引发大面积藻华,且一般发生在溢油20 d以后,多数发生在3-10个月间。深入分析发现,溢油后的藻华多数发生在春季、秋季和/或温度在20℃-30℃条件下。若溢油发生在夏季,短期内发生藻华的几率较高,且可能发生多次藻华;若溢油发生时温度较低,溢油后藻华发生几率也较低。需要关注的是,2013年晚秋我国青岛市黄岛输油管线破裂引起的溢油事件,可能提高2014年春季胶州湾发生藻华的几率。
The oil spills with increasing frequency in the seas have heavily threatened the ocean environments. This paper investigates the phytoplankton blooms after 20 oil spills events in the world, using the MODIS Chlorophyll-a data and in situ information. The results show that large areas of phytoplankton blooms occur after the oil spills. In general, the algal blooms occur twenty days after the oil spill and most blooms appear from March to October. The maximum time interval is found to be 14 months. Further analysis shows that the phytoplankton blooms after the oil spills usually occur in spring or autumn, or/and at 20℃-30℃. If the oil spills happen in summer, the phytoplankton blooms may occur in the short term and more than one times. And the high temperature when the oil spills happen is conducive to algae blooms. According to the above results, this study suggests to pay more attention to the increasing potential phytoplankton blooms in Jiaozhou Bay in the spring of 2014, owing to the oil spill caused by the pipeline explosion in Huangdao in November 22, 2013.
出处
《生态科学》
CSCD
北大核心
2013年第6期692-702,共11页
Ecological Science
基金
中石油项目"原油远洋运输优化与遥感监测技术研究"(313099)
中国科学院南海海洋研究所热带海洋环境国家重点实验室自主创新项目(LTOZZ-1201)
科技部国际合作项目(中国-罗马尼亚)"大亚湾(中国)和黑海近海(罗马尼亚)浮游植物分布特征及其对人类活动的响应的比较研究"(41-26)
关键词
藻华
溢油
卫星遥感
phytoplankton blooms
oil spills
remote sensing
