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西太平洋暖池区热带波动的天气效应
常美桂, 王衍明
青岛海洋大学海洋环境学院 青岛 266003
摘要:
为了探讨西太平洋暧地区热带波动的天气效应，利用1980年2－9月140°E日本静止卫星纬度时间剖面卫星云图，分析了5d和14d左右周期热带波动云的演变特征，井综合分析了14d周期的云系演变型式与流场的关系，为预报热带中期天气变化规律提供了依据；热带波动中30－60d大气低频振荡的云量变化最显著，北半球夏半年热带波动的天气压主要在10°N－0°，各半年在10°N－10°S，超过这个区域热带云量的港分布型式就有明显的变化。
关键词:  西太平洋暖池区  纬度时间剖面卫星云图  谱分析  诊断分析  热带波动  天气效应
DOI：
分类号:
基金项目:国家自然科学基金!49276250
EFFECT OF WEATHER ON THE TROPICAL WAVE IN THE WESTERN PACIFIC WARM POOL
Chang Meigui, Wang Yanming
Department of Marine Meteorology, Ocean Unversity of Qingdao, Qingdao 266003
Abstract:
Using the time-latitude section of satellite photograph, it is display the variational features of the tropical wave on the western Pacific warm pool. The tropical wave of 14d period is integrated analyzed, it is basis for the medium-range weather forcast on the tropics. The atmospheric low frequency oscillation (30 - 50 day mode) of cloud amount variation is remarkable. The tropical wave locate in 10° N - 0° , in the half year of summer and in 10° N - 10° S in the half year of winter. The great changs have taken place in the spectrum pattern exceed above these region.
Key words:  Western Pacific warm pool, Time-latitude section of satellite photographs, Spectrum analysis, Diagnosis, Tropical wave Weather effect
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