Changes of Water Temperature and Harmful Algal Bloom in the Daya Bay in the Northern South China Sea
南中国海北部大亚湾水温和赤潮的变化作者机构：中国科学院南海海洋研究所热带海洋环境动力学重点实验室遥感与海洋生态环境学科组广东广州510301 中国科学院研究生院 中国水产科学研究院南海水产研究所广东广州510301 中国科学院南海海洋研究所热带海洋环境动力学重点实验室
出 版 物：《Marine Science Bulletin》 (海洋通报（英文版）)
年 卷 期：2007年第9卷第2期
页 面：25-33页
基 金：This study was jointly supported by the following funds awarded to Professor Danling TANG:Guangdong Natural Science Foundation(05102008 and 04001306),China Key Innovation Project of Chinese Academy of Sciences(CAS)(KZCX3-SW-227-3) "0ne Hundred Talents Program"of CAS(Ybrjh0403) Authors are grateful to projects of South China Sea Fisheries Research Institute,Chinese Academy of Fishery Sciences(2007TS10 and 2007ZD03) High-tech Research and Development Program of China(2006AA100303) Chinese Ecosystem Research Network(http://www.cerndata.ac.cn),Dr.Guifeng WEI of Jinan University and the Key Innovation Project of CAS(KZCX3-SW-214)
主 题：water temperature Harmful Algal Bloom Chlorophyll a nuclear power station Daya Bay, China
摘 要：Economic development around the Daya Bay, China has profoundly affected the marine environment in the bay area in recent years, particularly since the operation of Daya Bay Nuclear Power Station （DNPS） in 1994. This study analyzed the changes of water temperature and harmful algal blooms （HABs） for two periods： 1983-1993 and 1994-2004, using in situ and satellite data. Results showed that yearly mean surface water temperature （SWT） and Chl-a concentration （Chl-a） increased by 1.1 ℃ and 1.9 mg/m^3, respectively, after 1994. The monthly occurrence of HAB was found to have increased also. HABs appeared only in spring and autumn before 1994, but occurred all the year round after 1994. SWT, Chl-a and HABs all increased significantly in May. Those changes were associated with environmental changes in this area, such as thermal discharge from the DNPS and enhancement of eutrophication from human activities around the Daya Bay.
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