夏季南亞高壓的演變及有關(guān)天氣系統(tǒng)的響應(yīng)研究

doi:10.3969/2012jms.00**

首頁 > 過刊瀏覽>2007年第卷第3期 >294-301. DOI:10.3969/2012jms.00**

夏季南亞高壓的演變及有關(guān)天氣系統(tǒng)的響應(yīng)研究
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                        10.3969/2012jms.00**
                    
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中圖分類號:P458
基金項(xiàng)目:江蘇省科技廳社會(huì)發(fā)展基金

STUDY ON CHANGE OF SOUTH ASIA HIGH AND RESPONSE OF OTHER WEATHER SYSTEM DURING SUMMER

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本文通過對6—7月份100 hPa南亞高壓形態(tài)變化規(guī)律特征的描述和有關(guān)天氣系統(tǒng)間的響應(yīng)變化分析,總結(jié)了南亞高壓進(jìn)退振蕩周期和南亞高壓與副熱帶高壓的響應(yīng)關(guān)系,并進(jìn)一步論證了南亞高壓與江淮梅雨關(guān)系。根據(jù)所得結(jié)論對歷史資料進(jìn)行了反查驗(yàn)證。提出了有一定應(yīng)用價(jià)值的代表性結(jié)論:(1)6—7月南亞高壓東伸指數(shù)和南亞高壓脊線變化呈波動(dòng)狀周期性北跳東進(jìn),其變化周期均在10—12 d左右,南亞高壓開始北跳東進(jìn)的時(shí)間、維持長度決定了我國東部梅雨始期和梅期長短,并具有很好的對應(yīng)關(guān)系。(2)根據(jù)南亞高壓脊線和副高脊線的線性關(guān)系,可采用110～120°E的平均南亞高壓脊線位置≥28～30°N作為入梅的指標(biāo)之一,利用110～120°E的平均南亞高壓脊線位置≥32～35°N作為出梅的指標(biāo)之一。這些結(jié)論的提出具有一定的理論意義,特別是利用南亞高壓進(jìn)行入、出梅的判別豐富了梅雨領(lǐng)域的研究,同時(shí)這些結(jié)論為中長期天氣預(yù)報(bào)提供了新的思路和參考指標(biāo)。

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Through describing change rule of South Asia High and analyzing response variation of other weather system,the response relations between South Asia High and Subtropical High and Oscillation cycle of South Asia High are summarized in the paper.At the same time,the relation between South Asia High and plum rain is expounded.These results are proved in historical data .Some representative conclusions with wide applications are put forward:(1) In June and July,the eastward advance index and ridge line of South Asia High emerge periodical northward jumping and eastward advancing.The change cycle is about 10-12 days .The starting date and persistent time of northward jumps and eastward advances affect beginning date and holding time of plum rain.The response relation is remarkable.(2) According to the line relation of South Asia High ridge and subtropical High ridge,the one of entering plum rain index is that the South Asia High ridge average is located more than 29-30 °N,and the outing plum rain index is that the South Asia High ridge average is more than 32-35 °N between 110 °E and 120 °E.These results can be considered to be theoretically significant and help further study in plum rain field.On the other hand,these results provide new thinking ways and reference index in mid-long period weather forecast field.

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劉梅,胡洛林,濮梅娟,楊秋明.夏季南亞高壓的演變及有關(guān)天氣系統(tǒng)的響應(yīng)研究.氣象科學(xué),2007,(3):294-301 Liu Mei, Hu Luolin, Pu Meijuan, Yang Qiuming. STUDY ON CHANGE OF SOUTH ASIA HIGH AND RESPONSE OF OTHER WEATHER SYSTEM DURING SUMMER. Journal of the Meteorological Sciences,2007,(3):294-301

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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