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涡活动
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  vortex activity
     Influence of the North Polar Vortex Activity on the Contemporaneous and Subsequent Air Temperature in China
     北极涡活动对我国同期及后期气温的影响
短句来源
     After giving observational precipitation and forecasting evaluation in summer over Gansu province since 1991, the influencing factors on precipitation in summer were analyzed generally. Results show that the main influencing factors on summer precipitation are Northern Hemisphere polar vortex activity, sea surface temperature of Pacific Ocean, subtropical high over western Pacific Ocean, disembarking tropical storm number, the air current through equator and monsoon, blocking high in eastern Asia in summer.
     给出了1991年以来甘肃省夏季降水的实况和预测评估,对甘肃省夏季降水的影响因子作了多方面的分析和思考,指出对甘肃省汛期预测影响较大的因子是北半球极涡活动、太平洋海温、西太平洋副热带高压、夏季登陆的热带风暴数、越赤道气流与季风、夏季东亚地区阻塞高压等;
短句来源
     From 1961 to 2000 mean month reanalysis data from NCEP/NCAR and 160 station's month precipitation data from National Climate Center(China) have been used,analyzed by methods of linear tendency variety,correlation and vapors transportation. The time-space distribution features of year's or seasons marking area of drought tendency of climate transition zone in China mainland,and the relationship between East Asian summer monsoon and polar vortex activity.
     利用国家气候中心1961~2000年中国160个测站降水量和NCEP/NCAR全球再分析资料,采取线性趋势变化、相关和水汽输送等分析方法,揭示中国大陆40 a的年和季降水变化趋势显著区域的时空分布特征,探讨与东亚夏季风和极涡活动的某些相关。
短句来源
  “涡活动”译为未确定词的双语例句
     CORRELATION OF DROUGHT DEVELOPMENT TENDENCY ON CHINA'S CLIMATE TRANSITION ZONE AND ACTIVITY OF EAST ASIA SUMMER MONSOON AND POLAR VORTEX
     中国气候过渡带干旱化发展趋势与东亚夏季风、极涡活动相关研究
短句来源
     Activity of Geothermal Vortex in Huai-River Flood Seasonand Discussion of Forecast Method
     淮河大水年的地热涡活动特征及预测途径探讨
短句来源
     Based on the statistical analysis of the movement characters of Plateau lows on 500hPa surface for June-August of 1965-1982, the causes of the moving eastward lows had been studied. Three elemental circulation patterns of the cyclogenesises and its eastward movements of the lows were given. This paper pointed out that the area of the positive divergence differences between 200hPa and 500hPa occurred in east part of the lows is the most important characters for the moving eastward lows.
     本文在统计分析1965~1982年6~8月高原涡活动特点的基础上,研究了高原低涡东移的物理原因,得出了低涡生成和东移的三种基本环流型式,并指出在低涡的东部出现200—500百帕散度差的正值区是东移低涡的基本特征。
短句来源
     It can survey the atmosphere media density non-well distributed eddies with horizontal spatial size of 100-1000m.
     因而作者设想把它作为研究大气边界层中湍涡活动的一种探测工具,用它能测得水平尺度为100—1000m量级的大气介质密度“非均匀”的湍涡。
短句来源
     The frontal passage influences wind and temperature field over a period of 24 hours, in whichgust surges and various meso- and micro-scale eddies with time scales of 3-4 hours and 1-20 minutes occur.
     锋面过境对风温场的影响时段为24小时,在这期间,出现阵风浪涌和多种中、小尺度(时间尺度为3-4小时、1-20分钟)的湍涡活动
短句来源
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  相似匹配句对
     Activities
     活动
短句来源
     A Study of the Persistence Activity of Northeast Cold Vortex in China
     东北冷持续活动的分析研究
短句来源
     The activity of the nerve fibers
     神经纤维的活动
短句来源
     Influence of the North Polar Vortex Activity on the Contemporaneous and Subsequent Air Temperature in China
     北极活动对我国同期及后期气温的影响
短句来源
     A STUDY OF GROUND VORTEX
     地面研究
短句来源
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  vortex activity
We show that in this particular ge- ometry, the effects due to vortex activity are minimized.
      
We show that in this particular geometry, the effects due to vortex activity are minimized.
      
A setting of Re = 10 is taken, for which solutions are known to display vortex activity in the wake.
      
Differences due to inclusion of compressibility effects and inertia are highlighted through flow patterns and vortex activity.
      
In this respect, we point to the conspicuous trends through the transient states in vortex activity and stress fields.
      
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In this paper, using Geostationary Meteorological Satellite (GMS) cloud pictures and conventional meteorological data, an analysis of the process of the development of three typhoons in the ITCZ in July 1978 has been conducted. It is found that during the development of typhoon the ITCZ was consisted of two separate convergence zone in the East and West. They were closely connected with the large-scale circulation in the Northern and Southern Hemisphere. During the development of typhoons the tropical upper...

In this paper, using Geostationary Meteorological Satellite (GMS) cloud pictures and conventional meteorological data, an analysis of the process of the development of three typhoons in the ITCZ in July 1978 has been conducted. It is found that during the development of typhoon the ITCZ was consisted of two separate convergence zone in the East and West. They were closely connected with the large-scale circulation in the Northern and Southern Hemisphere. During the development of typhoons the tropical upper tropospheric trough (TUTT) over ocean areas was situated further north and west, and it directed from east to west. There were many active cloud clusters (cold vortices) in the trough. The initial perturbation of each typhoon was at the south side of TUTT. It is also found that during the development of typhoon, distribution of the low level inflow and of the upper level outflow were not symmetric.

本文利用地球静止卫星云图配合常规资料对1978年7月一次强热带辐合带上三个扰动发展成台风的过程进行了分析。结果表明,多台风发生时强赤道辐合带往往并不是完整的一条,而是由东西二段辐合带合并而成,它们与南北半球的大型环流有着密切的关系。在三个扰动发展时,对流层上层大洋中部槽的位置偏北、偏西,槽呈东—西走向,在槽中多冷涡活动。台风的初始扰动位于洋中槽南侧。我们还根据每隔三小时一张地球静止卫星云图分析。发现扰动云系发展成台风云系时,低空流入和高空流出分布是不对称的。

In this paper,the relation between the activities of Indian monsoon tronghsand low-vortexs in southwest China has been analysed by using the data ofwinds at 700 mb level and satellit cloud pictures for six years from 1972 to1977.It is found that the namber of low.Vortexs in southwest China is twicegreater when the Indian trongh is located to the north of its mean location thanto the sonth of its mean location,The calculated result of the dynamie and thermodynamic conditions in somecases shows that the formation...

In this paper,the relation between the activities of Indian monsoon tronghsand low-vortexs in southwest China has been analysed by using the data ofwinds at 700 mb level and satellit cloud pictures for six years from 1972 to1977.It is found that the namber of low.Vortexs in southwest China is twicegreater when the Indian trongh is located to the north of its mean location thanto the sonth of its mean location,The calculated result of the dynamie and thermodynamic conditions in somecases shows that the formation of the low-vortex in southwest China resultsfrom the cyclonie vorticity transport of the monsoon trongh and the convergenceof water vapour in the tropical monsoon coming from the Bay of Bengal.In theinitial stage of a low vertex,there is a warm core in it,and the relitf of latanthent plays an important role in the formation of the warm core.When it develo-ps and moves eastward.It gradualy becomes anextra-tropical cyclon.Then,thewater vapour in rainfall processes is supplied by the monsoon flows comingfrom the Bay of Bengal and the south China Sea.The result mentioned abovehelps to forecast the low-vortex in southwest China.

本文用1972—1977年六年的6—8月700毫巴流场及卫星云图等资料,分析了印度季风槽的活动与我国西南地区低涡活动的关系.发现当印度季风槽比平均位置偏北时,西南低涡的发生率比其偏南时多两倍以上.对个例的一些动力和热力学条件进行计算,所得的结果表明:西南涡的形成是季风槽的气旋性涡度输送和来自孟加拉湾的热带季风的水汽在低涡区辐合所致.低涡的形成和发展初期是暖性结构,潜热的释放对暖性结构的形成具有重要作用.在它东移发展后,成为一个温带气旋,这时低涡降水过程的水汽是由孟加拉湾和南海的热带季风气流共同提供.这些结果有助于低涡过程的预报.

Based on the statistical analysis of the movement characters of Plateau lows on 500hPa surface for June-August of 1965-1982, the causes of the moving eastward lows had been studied.Three elemental circulation patterns of the cyclogenesises and its eastward movements of the lows were given.This paper pointed out that the area of the positive divergence differences between 200hPa and 500hPa occurred in east part of the lows is the most important characters for the moving eastward lows. In other words, the positive...

Based on the statistical analysis of the movement characters of Plateau lows on 500hPa surface for June-August of 1965-1982, the causes of the moving eastward lows had been studied.Three elemental circulation patterns of the cyclogenesises and its eastward movements of the lows were given.This paper pointed out that the area of the positive divergence differences between 200hPa and 500hPa occurred in east part of the lows is the most important characters for the moving eastward lows. In other words, the positive divergence field on 200hPa over the east part of the lows is the most important factor for the moving eastward lows. The causes of the formation of the favouring divergence fields are quite different among the above three circlation patterns.

本文在统计分析1965~1982年6~8月高原涡活动特点的基础上,研究了高原低涡东移的物理原因,得出了低涡生成和东移的三种基本环流型式,并指出在低涡的东部出现200—500百帕散度差的正值区是东移低涡的基本特征。由于低层涡旋东部通常都具有辐合流场,因而高层辐散场使成为低涡东移的主导因子。这种有利的高层辐散场形成的原因,三种不同的环流型式有显著的差别。

 
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