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采用实测资料计算1986年7—12月东海和南海观测海域海-气界面热量交换。结果表明:7—9月上旬,大气向观测海域输送热量是主要现象,因为这时的气温比水温高,潜热通量与感热通量出现反相变化,天气晴好,海洋大量吸热;9月中旬—12月,观测海域向大气输送热量是主要现象,东海表现得比南海更为明显,主要贡献来自潜热通量和感热通量。受冷空气影响时,感热通量重要;在热带辐合带和热带气旋系统内海-气界面热量交换强烈,大气对海洋的响应为主。
The measured data are used to calculate the heat exchange between the sea-atmosphere interface in the sea area of the East China Sea and the South China Sea from July to December in 1986. The results show that in the first 7-9 months, the main reason is that the atmosphere transfers heat to the observation area because the air temperature is higher than the water temperature at this time. The latent heat flux and sensible heat flux change in opposite phase. The weather is fine and the ocean absorbs heat in large quantities. From the middle of the month to December, the heat transfer from the observation sea to the atmosphere is the main phenomenon. The East China Sea is more obvious than the South China Sea, with the main contribution from latent heat flux and sensible heat flux. Affected by the cold air, the sensible heat flux is important; in the tropical convergence zone and tropical cyclone system, there is strong heat exchange in the sea-air interface and the atmospheric response to the ocean is dominant.