"海棠"臺風(fēng)對褐飛虱災(zāi)變性遷入影響的個例研究

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"海棠"臺風(fēng)對褐飛虱災(zāi)變性遷入影響的個例研究
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中圖分類號:S165.28
基金項目:國家自然科學(xué)基金 ?

Case studies of the influence of Haitang Typhoon (0505) on the catastrophic immigrations of Nilaparvata lugens (st(a)l)

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通過對1991-2005年中國褐飛虱燈誘資料和登陸臺風(fēng)數(shù)據(jù)的調(diào)研,分析了臺風(fēng)對褐飛虱災(zāi)變性遷入的影響.研究發(fā)現(xiàn):這15 a中共有52個臺風(fēng)登陸我國東部稻區(qū),其中16個臺風(fēng)對褐飛虱的遷入帶來了重大影響.臺風(fēng)對褐飛虱遷入影響最大的是2005年,其次是1991年和1997年.在2005年登陸我國的9個臺風(fēng)中有6個臺風(fēng)對我國褐飛虱遷入產(chǎn)生了重大影響,其中對夏季遷飛影響最大的是海棠臺風(fēng).本文選取海棠臺風(fēng)作為研究個例,將這一個例的蟲情數(shù)據(jù)導(dǎo)入GIS中進(jìn)行降落特征的空間分析,再結(jié)合相關(guān)氣象資料對臺風(fēng)登陸期間的大氣動力背景進(jìn)行了客觀分析,通過分析初步揭示了風(fēng)場、垂直流場和降水在褐飛虱降落過程中的作用.

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In order to ascertain typhoons dynamical mechanisms on the catastrophic immigrations of Nilaparvata lugens (st l), based on the investigation of BPHs lighting catches and the landing typhoons data in China from 1991 to 2005, in this paper, the influence of the typhoon weather systems and the typhoon weather processes on the catastrophic immigration of BPHs populations were analyzed. The analysis displayed that there were 52 typhoons landed on the main growing-rice areas of the eastern China in these years. Among them, 16 typhoons have brought remarkable influence into the catastrophic immigration processes of populations. The greatest effect on BPHs immigration appeared in 2005，and the effect took second place in 1991 and 1997.By the above systematic analysis, a catastrophic immigration northward event of BPHs populations caused by the landed typhoons in 2005 was selected. The lighting catches of BPH during this event was induced into GIS and the spatial characteristics of BPHs immigrating populations were analyzed. At last, the atmospheric dynamical backgrounds during the BPHs immigrations combined with the weather data of the typhoons landing periods were discussed objectively. The dynamical effects of typhoons on this BPH's immigration process was explored briefly.

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包云軒,嚴(yán)明良,袁成松,李金建."海棠"臺風(fēng)對褐飛虱災(zāi)變性遷入影響的個例研究.氣象科學(xué),2008,(4):450-455 Bao Yunxuan, Yan Mingliang, Yuan Chengsong, Li Jinjian. Case studies of the influence of Haitang Typhoon (0505) on the catastrophic immigrations of Nilaparvata lugens (st(a)l). Journal of the Meteorological Sciences,2008,(4):450-455

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收稿日期:2008-01-05
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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