Seasonal and interannual variability of thermal
Wang, DX; Luo, L; Liu, Y; Li, SY
2003
发表期刊OCEAN REMOTE SENSING AND APPLICATIONS
ISSN0277-786X
卷号4892页码:415-425
摘要The Tonkin Gulf is a semi-enclosed bay in the South China Sea with a shallow shelf. Historic observations indicate that the coastal and outer water masses converge here, which results in a complex hydrographic situation. The thermal front in ocean is a good indicator for connection between different water masses and acts as an important topic in the oceanography. Here the 8-year (1991similar to1998) Pathfinder sea surface temperature (SST) data have been applied to investigate the seasonal and interannual variability of the thermal front in the Tonkin Gulf. This paper tries a new methodology to describe the gradient of temperature using a pairs of orthogonal vector components. When the variability of the thermal fronts in the Tonkin Gulf is concerned, the signs of SST's anomalies (SSTA), the deviations of surface wind and surface heat fluxes are individually accounted for criterions of the causes. In the research domain, the order that the thermal frontal intensity varies with seasons from strongest to weakest is spring, then summer, winter and fall. There is a significant relationship between the frontal intensity and SSTA, which indicates a trend that when SSTA is negative, the fronts are strong, and the absolute value of SSTA shows a positive correlation with the frontal intensity. In winter, when abnormal northerly appears over the bay the front is stronger, whereas the front is weaker when abnormal southerly occurs.
部门归属Chinese Acad Sci, S China Sea Inst Oceanog, Key Lab Trop Marine Environm Dynam, Guangzhou 510301, Peoples R China
关键词Tonkin Gulf Thermal Front Sst Anomaly Seasonal Variability Interannual Variability
学科领域Optics
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收录类别sci
资助项目LED
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/5529
专题热带海洋环境国家重点实验室(LTO)
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Wang, DX,Luo, L,Liu, Y,et al. Seasonal and interannual variability of thermal[J]. OCEAN REMOTE SENSING AND APPLICATIONS,2003,4892:415-425.
APA Wang, DX,Luo, L,Liu, Y,&Li, SY.(2003).Seasonal and interannual variability of thermal.OCEAN REMOTE SENSING AND APPLICATIONS,4892,415-425.
MLA Wang, DX,et al."Seasonal and interannual variability of thermal".OCEAN REMOTE SENSING AND APPLICATIONS 4892(2003):415-425.
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