基于南海温盐流数值产品的南海气候态温跃层、温度锋和中尺度涡评估  

The assessment of thermocline,thermal front and mesoscale eddy in the temperature-salinity-current numerical dataset of the South China Sea

作　　者：尹汉军 谢波涛 黄必桂 朱宇航[2,3] 彭世球 李毅能[2] 程高磊 YIN Hanjun;XIE Botao;HUANG Bigui;ZHU Yuhang;PENG Shiqiu;LI Yineng;CHENG Gaolei(China National Offshore Oil Corporation General Research Institute,Beijing 100027,China;State Key Laboratory of Tropical Oceanography(South China Sea Institute of Oceanology,Chinese Academy of Sciences),Guangzhou 510301,China;Guangxi Key Laboratory of Marine Disaster in the Beibu Gulf,Beibu Gulf University,Qinzhou 535011,China;Southern Marine Science and Engineering Guangdong Laboratory,Guangzhou 511458,China)

机构地区：[1]中海油研究总院有限责任公司,北京100027 [2]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,广东广州510301 [3]北部湾大学广西北部湾海洋灾害研究重点实验室,广西钦州535011 [4]南方海洋科学与工程广东省实验室(广州),广东广州511458

出　　处：《海洋预报》2023年第4期34-46,共13页Marine Forecasts

基　　金：广东省重点工程(2019BT2H594);南方海洋科学与工程广东省实验室(广州)人才团队引进重大专项(GML2019ZD0303);广西重点研发计划(桂科AB18294047);深水浮式平台一体化在线监测与分析软件集成系统研制(LSZX-2020-HN-05-04);海上油气田精细化环境预报与参数区划关键技术(YXKY-ZX 072020);南海北部内波区划及工程参数研究(YXKY-ZX 102021);中国科学院空间科学战略性先导科技专项(XDA15020901);广东省重点领域研发计划项目(2019B111101002);广西北部湾海洋灾害研究重点实验室(北部湾大学)开放课题(2021KF01)。

摘　　要：基于区域海洋模式(ROMS)构建了一套覆盖南海区域40a涡分辨率的逐时温盐流数值产品OCEAN_SCS,并利用独立观测资料和前人的研究成果对比评估了OCEAN_SCS数据集对南海温跃层、温度锋和中尺度涡的模拟效果。评估结果表明:OCEAN_SCS数据集总体上对南海温跃层、温度锋和中尺度涡的模拟效果较好,与前人的研究成果和混合坐标海洋模型(HYCOM)再分析数据产品的计算结果也较为相符,仅在中尺度涡数量、生命周期长度、半径和海表涡动能的模拟上与观测稍有偏差,这也是目前数值模式在模拟中尺度涡方面的瓶颈。研究结果表明OCEAN_SCS数据集能够为进一步研究南海温跃层、温度锋和中尺度涡的生消变化规律等提供数据支撑,可用于更全面地研究南海的海洋环境特征,服务于南海海洋环境保障工作。A 40-year temperature-salinity-current numerical dataset of the South China Sea(SCS),namely OCEAN_SCS,has been generated based on the Regional Ocean Model System(ROMS).Data from independent observations and previous literatures are used to assess the thermocline,thermal front and mesoscale eddy in the OCEAN_SCS.The results show that the OCEAN_SCS has a good performance on simulating the thermocline,thermal front and mesoscale eddy in the SCS,and the simulation is generally consistent with previous studies and the HYCOM(Hybrid Coordinate Ocean Model)reanalysis data.Minor biases between the simulation and observation only exist in the number,life cycle,radius and sea surface eddy kinetic energy of mesoscale eddy,which is known as the common bottleneck of mesoscale eddy numerical modeling.The results also suggest that the OCEAN_SCS dataset is reliable to support further researches on the generation,dissipation and variation of the thermocline,thermal front and mesoscale eddy in the SCS,and to support comprehensive researches on the oceanic environmental protection in the SCS.

关 键 词：南海 海洋数值产品 温跃层 温度锋 中尺度涡 

分 类 号：P731.1[天文地球—海洋科学]