台湾海峡西岸中部大气稳定度频数分布特征及其成因

本文采用稳定度的国家行业标准分类法，使用福建崇琥气象站１９９１－１９９４年逐日２４ｈ资料，分析了台湾海峡西岸中部大气稳定度频数分布特征。结果表明，由于该地区的地方性气候特点，导致其大气稳定度的两个明显地域性特征；（１）中性类频数大于其他２地区；（２）稳定类和不稳定类频数在夏季同时达到一年中最大。

Characters of frequency-distribution of atmospheric stability and their formation cause in middle western Taiwan Strait

Based on the national professional crlteria for the classification of atmospheric stability,the features of the frequency-distribntion of atmospheric stability in the middle western Taiwan Strait are analysed by using the hourly data of Chongwu Weather Station during 1991 ~1994. Some climate features in Chongwu such as plentiful low-level cloud, frcquent galedays,stronger wind in winter than in summer result in two distinctive regional characters ofthe atmosphereic stability in Chongwu. First, the frequency of neutral stable frequency inChongwu is more than that in other areas. Second, both stable kind and unstable frequencyreach their most in summer. Similar characters may exist in the gale areas in the western coast of Taiwan Strait.