中国海洋大学学报（自然科学版）2011，Vol.41Issue(12)：8-16,9.
海气热通量算法的改进及应用
Improvement to the Air-Sea Heat Flux Algorithm and Its Application
摘要
Abstract
The COARE model is the commonly used algorithm in the world for air-sea heat flux, which is believed to be applicable to wind speed up to 20 m/s. It is probably unreasonable to apply this model directly to the condition with wind speeds higher than 20 m/s, because of the absence of the impact of sea spray in the model, which always appear at sea surface under high wind speed. In the present paper, a parameterization of sea surface aerodynamic roughness has been proposed, which is applicable to various wind speeds with involvement of the impact of sea spray. The COARE 3. 0 model has been improved by introducing the proposed roughness parameterization into the model, so that it could be applicable to the condition with wind speeds higher than 20 m/s. With the observational data obtained from buoys located in South China Sea, the improved COARE 3. 0 model is applied to compute air-sea heat flux. The impact of sea spray on air-sea heat flux is investigated. It is indicated that the sensible heat flux and latent heat flux are mainly determined by air-sea temperature difference and air-sea humidity difference, with very weak relevance to wave age, and the impact of sea spray on heat flux is trivial, for wind speeds of 0~20 m/s, while for wind speeds higher than 20 m/s, their relevance to air-sea temperature difference and air-sea humidity difference is decreasing and the relevance to wave age is increasing, and latent heat flux is correlated negatively with wave age. As the impact of sea spray is considered, the total heat flux is increased considerably, the sensible heat flux increase due to sea spray is averagely 38. 89% of the interface sensible heat flux and the latent increase due to sea spray is averagely 39. 19% of the interface latent heat flux.关键词
COARE模型/飞沫/动力粗糙度长度/热通量/南海Key words
COARE model/ sea spray/ sea surface aerodynamic roughness/ air-sea heat flux/ South China Sea分类
海洋科学引用本文复制引用
张连新,管长龙,黄健..海气热通量算法的改进及应用[J].中国海洋大学学报（自然科学版）,2011,41(12):8-16,9.基金项目
国家自然科学基金项目(40830959、40921004) （40830959、40921004）
国家科技支撑计划项目(2011BAC03B01)资助 （2011BAC03B01）
