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气象:1990,16(10):10-15
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东亚沿岸一次爆发性发展气旋的数值模拟
(中国科学院兰州高原大气物理研究所)
Numerical simulation on a case of East-Asian coastal explosively developing cyclone
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中文摘要: 本文利用有限区域细网格6层原始方程模式,对1979年3月10—11日东亚沿岸的一次中等强度爆发性气旋发展过程,进行了一系列24小时数值模拟试验。结果表明,斜压性是这个气旋发展的主要机制。凝结潜热在气旋发展过程中也有重要的加强作用,摩擦则使得气旋减弱,但地表感热和蒸发对该气旋发展的影响不大。
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Abstract:A limited-ared fine-mesh 6-level model is used in this paper to simulate the explosively developing process of a East Asian coastal cyclone in March,1979.A control and four coritrastive 24h numerical experiments have been done to investigate the influence of different physical factors on the explosive development of the cyclone.The results show that baroclinic instability is the major mechanism for growth of the cyclone and condensative latent heat also plays an important role in its enhancing development.The surface friction makes the cyclone weakened and surface fluxes of sensible and latent hea.t have a slight impact on the development of the cyclone.
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引用文本:
汤长明,刘晓东,罗四维,1990.东亚沿岸一次爆发性发展气旋的数值模拟[J].气象,16(10):10-15.
,1990.Numerical simulation on a case of East-Asian coastal explosively developing cyclone[J].Meteor Mon,16(10):10-15.