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学科主题: Oceanography
题名: The characteristics of sea fog with different airflow over the Huanghai Sea in boreal spring
作者: Huang, JA ; Wang, X ; Zhou, W ; Huang, HJ ; Wang, DX ; Zhou, FX
通讯作者: hj@grmc.gov.cn
关键词: spring sea fog over the Huanghai Sea ; airflow paths ; water vapor flux ; heat advection ; vertical distribution of water vapor
刊名: ACTA OCEANOLOGICA SINICA
发表日期: 2010
卷: 29, 期:4, 页:40614
收录类别: sci
部门归属: [Huang Jian; Huang Huijun] China Meteorol Adm, Inst Trop & Marine Meteorol, Guangzhou 510080, Guangdong, Peoples R China; [Wang Xin; Zhou Wen] City Univ Hong Kong, Sch Energy & Environm, Guy Carpenter Asia Pacific Climate Impact Ctr, Hong Kong, Hong Kong, Peoples R China; [Wang Dongxiao] Chinese Acad Sci, S China Sea Inst Oceanol, CAS Key Lab Trop Marine Environm Dynam, Guangzhou 510301, Guangdong, Peoples R China; [Zhou Faxiu] Ocean Univ China, Dept Meteorol, Qingdao 262003, Peoples R China
项目归属: LED
摘要: Using the observations from ICOADS datasets and contemporaneous NCEP/NCAR, reanalysis datasets during 1960-2002, the study classifies the airflows in favor of sea fog over the Huanghai (Yellow) Sea in boreal spring (April-May) with the method of trajectory analysis, and analyzes the changes of proportions of warm and cold sea fogs along different paths of airflow. According to the heat balance equation, we investigate the relationships between the marine meteorological conditions and the proportion of warm and cold sea fog along different airflow paths. The major results are summarized as follows. (1) Sea fogs over the Huanghai Sea in spring are not only warm fog but also cold fog. The proportion of warm fog only accounts for 44% in April, while increases as high as 57% in May. (2) Four primary airflow paths leading to spring sea fog are identified. They are originated from the northwest, east, southeast and southwest of the Huanghai Sea, respectively. The occurrence ratios of the warm sea fog along the east and southeast airflow paths are high of 55% and 70%, while these along the southwest and northwest airflow paths are merely 17.9% and 50%. (3) The key physical processes governing the warm/cold sea fog are heat advection transport, longwave radiation cooling at fog top, solar shortwave warming and latent heat flux between air-sea interfaces. (4) The characteristics of sea fog along the four airflow paths relate closely to the conditions of water vapor advection, and the vertical distribution of relative humidity.
原文出处: 查看原文
WOS记录号: WOS:000282285900002
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/6225
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Recommended Citation:
Huang, JA; Wang, X; Zhou, W; Huang, HJ; Wang, DX; Zhou, FX.The characteristics of sea fog with different airflow over the Huanghai Sea in boreal spring,ACTA OCEANOLOGICA SINICA,2010,29(4):40614
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