爆發(fā)性氣旋的鋒生位渦反演診斷

doi:10.3969/2012jms.00**

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爆發(fā)性氣旋的鋒生位渦反演診斷
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                        10.3969/2012jms.00**
                    
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中圖分類號(hào):P463.1
基金項(xiàng)目:國(guó)家自然科學(xué)基金

DIAGNOSIS OF THE DEVELOPMENTAL MECHANISM OF AN EXPLOSIVE CYCLONE BY USE OF POTENTIAL VORTICITY INVERSION OF FRONTOGENESIS

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摘要:

本文采用基于埃特爾位渦反演診斷和鋒生函數(shù)診斷的鋒生位渦反演診斷方法,對(duì)一次發(fā)生在西太平洋地區(qū)的爆發(fā)性氣旋過(guò)程進(jìn)行了診斷分析和機(jī)制研究。本文主要從鋒生演變的角度,定量診斷了與對(duì)流層頂折迭現(xiàn)象相聯(lián)系的高層位渦擾動(dòng),由凝結(jié)潛熱釋放造成的中層位渦擾動(dòng),與低層鋒區(qū)擾動(dòng)相聯(lián)系的低層位渦擾動(dòng)以及以低層水平輻合輻散為主要成份的非平衡風(fēng)場(chǎng)在氣旋發(fā)生發(fā)展的不同階段所起的作用和影響,并對(duì)以上各物理過(guò)程相互作用,造成氣旋爆發(fā)性發(fā)展的機(jī)制進(jìn)行了分析討論。

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This paper diagnoses and analyses in detail an explosive cyclone that occurred on West Pacific, and investigates its developmental mechanism based on potential vorticity inversion of frontogenesis diagnosis method, which synthesizes Etter potential vorticity inversion diagnosis and frontogenesis function diagnosis. It shows that the project of diagnosis and calculation in this paper has a great deal of maturity and rationality after verifying the effect of the contrast results which are calculated from the project of potential vorticity inversion of frontogenesis diagnosis. And it also shows that the effect calculated is competent for the demand of diagnoses and analyses in reality. This paper firstly analyses and discusses in detail the potential vorticity evolvement characters of the explosive cyclone in the course of its formation and development, and then based on this diagnoses quantitatively investigates the action and affection of the upper,middle and lower level potential vorticity disturbances and unbalance wind during the different stages of the cyclone’s life cycle.The upper level potential vorticity disturbance is in contact with the troposphere enfoldment phenomenon, the middle one results from the condensation latent heat release ,and the lower one represents the frontal zone disturbance. The horizontal convergence and divergence is main component of unbalanced wind, and this paper also analyses and discusses the interaction between them and the mechanism of the cyclone's explosive development.

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鄭倫偉,陳軍,周毅.爆發(fā)性氣旋的鋒生位渦反演診斷.氣象科學(xué),2006,(2):183-191 Zheng Lunwei, Chen Jun, Zhou Yi. DIAGNOSIS OF THE DEVELOPMENTAL MECHANISM OF AN EXPLOSIVE CYCLONE BY USE OF POTENTIAL VORTICITY INVERSION OF FRONTOGENESIS. Journal of the Meteorological Sciences,2006,(2):183-191

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收稿日期:2004-10-24
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抽查舔水白紧大视频,冲喜娘子超甜哒激情五月,亚洲黄色图片偷拍网站,亚洲三级黄片免费播放,91在线观看喷潮红桃,日韩精品在线观看一区二区,久久久久久久久久久久黄色片子,日产精品99久久久久久久久,欧洲亚洲另类图片小说