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synoptic meteorology
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  天气学
    Using rainfall data from 1961 to 2000 in Longnan ,distributions of precipitation and rainstorm are analyzed . Using sounding data ,the large scale synoptic meteorology circulation patterns of rainstorm are catalogued. Using T106 data from 1995 to1999,the mean field of synoptic meteorology models are calculated.
    本文首先利用陇南市1961年到2000年40年降水资料分析了陇南市降水和暴雨时空分布特征,利用高空资料,将陇南市暴雨形成的大尺度环流形势进行天气学分型,再利用1995-1999年的T106资料产品资料,求出天气模型的平均场,结合暴雨个例诊断分析陇南暴雨成因。
短句来源
    The Research Progress of the Synoptic Meteorology and Synoptic Forecast
    天气学和天气预报的研究进展
短句来源
    By means of synoptic meteorology, statistics, dynamical diagnosis and numerical simulation, this paper analyzed the rainstorm courses affected Jiangsu, which occurred during Meiyu flood season or resulted from typhoons, and discussed the circulation character, meso-micro synoptic systems, dynamic and thermal terms, and intensification mechanism of rainstorm, etc. , thus acquired some meaningful results.
    本文运用天气学、统计学、动力诊断和数值模拟方法,对影响江苏的梅汛期暴雨和台风暴雨过程进行了分析,对暴雨的环流特征、中小尺度天气系统、动力热力条件和强降水的增幅机理等进行了比较细致的探讨,获得了一些有意义的结果。
短句来源
    In this paper,an exploration about the method of regional short-range (24hr.) forecast of thunderstorm is provided based on analysing characteristics of the large-scale circulation of occuring thunderstorm. Composite analysing model output of numerical forecast(M) and experience forecast of synoptic meteorology(E)anddiagnosis(D),a MED forecast model is designed.
    本文在分析产生雷暴的大尺度环流特征的基础上探讨了雷暴的地区性短期(24小时)预报方法,采用数值模式预报(M)、天气学经验预报(E)、诊断分析(D)综合分析的方法,建立起MED预报模型。
短句来源
    The frontogenesis (frontolysis)is a problem of significance in synoptic meteorology and climatology.
    锋生(锋消)在天气学和气候学方面是一个重要问题。
短句来源
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  天气
    Using rainfall data from 1961 to 2000 in Longnan ,distributions of precipitation and rainstorm are analyzed . Using sounding data ,the large scale synoptic meteorology circulation patterns of rainstorm are catalogued. Using T106 data from 1995 to1999,the mean field of synoptic meteorology models are calculated.
    本文首先利用陇南市1961年到2000年40年降水资料分析了陇南市降水和暴雨时空分布特征,利用高空资料,将陇南市暴雨形成的大尺度环流形势进行天气学分型,再利用1995-1999年的T106资料产品资料,求出天气模型的平均场,结合暴雨个例诊断分析陇南暴雨成因。
短句来源
    The Research Progress of the Synoptic Meteorology and Synoptic Forecast
    天气学和天气预报的研究进展
短句来源
    By means of synoptic meteorology, statistics, dynamical diagnosis and numerical simulation, this paper analyzed the rainstorm courses affected Jiangsu, which occurred during Meiyu flood season or resulted from typhoons, and discussed the circulation character, meso-micro synoptic systems, dynamic and thermal terms, and intensification mechanism of rainstorm, etc. , thus acquired some meaningful results.
    本文运用天气学、统计学、动力诊断和数值模拟方法,对影响江苏的梅汛期暴雨和台风暴雨过程进行了分析,对暴雨的环流特征、中小尺度天气系统、动力热力条件和强降水的增幅机理等进行了比较细致的探讨,获得了一些有意义的结果。
短句来源
    (2) The large scale synoptic meteorology circulation patterns of rainstorm are divided into southwest airflow pattern,irregular airflow pattern and northwest airflow pattern. In the first pattern, rainstorm frequency is the largest, occupy 80 percent of all rainstorm number of times. The frequency of the others is small,they occupy 17.8 percent and 9. 3 percent.
    (2) 陇南暴雨的大尺度环流形势天气模型可分为西南气流型、不规则型和西北气流型,西南气流型天气模型下产生暴雨的机率最大,为72.9%、其它两种模型产生暴雨的机率较小,分别为17.8%和9.3%。
短句来源
    In this paper,an exploration about the method of regional short-range (24hr.) forecast of thunderstorm is provided based on analysing characteristics of the large-scale circulation of occuring thunderstorm. Composite analysing model output of numerical forecast(M) and experience forecast of synoptic meteorology(E)anddiagnosis(D),a MED forecast model is designed.
    本文在分析产生雷暴的大尺度环流特征的基础上探讨了雷暴的地区性短期(24小时)预报方法,采用数值模式预报(M)、天气学经验预报(E)、诊断分析(D)综合分析的方法,建立起MED预报模型。
短句来源
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  “synoptic meteorology”译为未确定词的双语例句
    An extraordinary ozone enhancement event is observed at Lin-An (30 30°N, 119 75°E) from March 25 to 31 in the spring of 2001, especially on March 29 and 30 The cause of the ozone enhancement is studied utilizing synoptic meteorology diagnosis from conventional weather data and the NCEP data, as well as potential vorticity (PV).
    20 0 1年春季在临安 (30 30°N ,119 75°E)进行的臭氧垂直探测发现 ,从 3月 2 5到 31日有一次明显的臭氧异常增加过程 ,其中尤以 2 9日和 30日对流层上层的臭氧异常增加最具代表性。
短句来源
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  synoptic meteorology
Comments on Tor Bergeron's contributions to synoptic meteorology
      
The early influence of the Bergen School on synoptic meteorology in the United States
      
The occurrence of fog-mist-haze was much related to the influence of local, regional and synoptic meteorology.
      
Preliminary analyses of about the first 20-22 months of data are presented and show not only the expected long-term trends but also shorter period concentration cycles that seem to be related to synoptic meteorology.
      
As in synoptic meteorology, circulation maps have been found the most useful means of obtaining a unified view of the climatic changes of recent times.
      
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This is a brief report of a preliminary survey of certain rain-bearing systems over China in later spring and summer. In the first part, a general description of the methods of analysis used in this survey is given. As the temperature and wind fields are weak, and the precipitation is heavy, smaller intervals for the isotherms and contours in the constant pressure surface and pseudo-equivalent potential instead of potential temperature in the cross section analysis are used.In the second part, there are descriptions...

This is a brief report of a preliminary survey of certain rain-bearing systems over China in later spring and summer. In the first part, a general description of the methods of analysis used in this survey is given. As the temperature and wind fields are weak, and the precipitation is heavy, smaller intervals for the isotherms and contours in the constant pressure surface and pseudo-equivalent potential instead of potential temperature in the cross section analysis are used.In the second part, there are descriptions of the structure and development of five frequently observed rain-bearing systems i.e. cold front, blocking high and cold vortex, monsoon heat low, warm front and typhoon.The last part consists of discussions of some points of view in synoptic meteorology in China. It is stated that the monsoon precipitation is various in intensity and duration according the large-scale flow patterns. The difference of moisture content in the middle troposphere as a criterion for the identification of equatorial or tropical maritime air mass is proved to be missleading. It is shown that the upper air moist content is high only within the raining region near the polar or equatorial front. To the south of the equatorial front within the so-called equatorial air mass, the moist content in the middle troposphere is as low as within the tropical maritime air mass. It is the convergence and lifting of the tropical air mass which releases the convective instability and induces the surface moist air rising to the middle troposphere. The phenomenon of the forward-inclination of the so-called North-West Trough based on the time cross-section of wind is proved to be a mistake by combining two systems into one trough. The terminology of shear line, and the correct application of synoptic models in weather analysis and forecas-ting are also discussed.

本文是一年来从事夏季降水天气初步普查的简单报告。第一节首先指出所用分析方法与一般国内所通用者,稍有不同。高空等压面分析,取20米作为等高缐间隔,2℃作为等温缐间隔。代替40米及5℃的间隔,以适应夏半年较弱的温度场与气压形势场,在剖面分析中以等假相当位温缐代替位温缐,与等温缐配合以适应降水天气的凝结降水过程。 第二节讨论了五种夏半年基本降水天气系统,即冷锋、阻塞高压与冷涡、季风热低压、 暖锋及有风的结构,并简单地叙述了演变过程。 第三节对某些天气概念提供一些批判性的讨论。根据现已增加的观测材料,论证季风与梅雨是多样性的,决定于大规模的温度场与流场特性,以高空湿度大小区分赤道气团与热带海洋气团,证明是不适当的,因为中国赤道锋降水区域以南,即在所谓南南季风的赤道气团中,中层大气仍是干燥的。降水区域内,中层对流层的大量水份,是由于辐合或抬升的作用,使潜势的对流不稳定性成为现实的不稳定性,而由下层空气上升带上去的。文中还论证了所谓西北槽槽缐前倾是将两个系统混作—个系统的不正确桔果。最后还讨论了切交缐及一般模型在天气分析预报中的应用与限制。

During summer very often there is a heavy-rain bearing west-east shear line in the lower troposphere over Yangtze-Hwai valley. To the north of the shear line, the wind is predominantly from east or northeast, and to the south from the west or southwest. Its appearance is most evident on 850 and 700 mb surface.In this paper a case study of this type of shear line is made. It is shown that the dynamical and thermal effects of Tibet plateau is the one of the important factors for its formation.The analysis of the...

During summer very often there is a heavy-rain bearing west-east shear line in the lower troposphere over Yangtze-Hwai valley. To the north of the shear line, the wind is predominantly from east or northeast, and to the south from the west or southwest. Its appearance is most evident on 850 and 700 mb surface.In this paper a case study of this type of shear line is made. It is shown that the dynamical and thermal effects of Tibet plateau is the one of the important factors for its formation.The analysis of the three dimensional wind field in the region of the shear line, shows that the pattern of the vertical circulation has an important influence on the horizontal distribution of temperature and humidity near the shear line, thus it is closely related to the genesis and development of the low level frontal zone.Moreover, several problems concerning the synoptic meteorology in subtropics over Far East during summer are discussed. They include: the influence of vertical circulation on the frontal zone; the process of the transformation of a polar front into an equatorial front and the nature of the some weather systems in subtropical region of China in summer. The author has offered several explanations about these characteristics.

本文研究一次江淮流域切变线的生成及其各个发展阶段的結构。 关于切变线的生成原因,作者强調高原的动力及热力影响。在結构方面,作者指出,切变綫附近鉛直环流的形式、切变线附近气象要素的分布以及低空鋒区的加强,相互之間有着密切联系.鉛直环流的加强,造成了低空鋒区的加强。当这个环流圈相对于鋒面的位置有变化时,鋒面的性貭,也就有不同。在切变线的上升运动区上空,高层对流层中,可能存在一下沉运动带,因而与切变线有关的流場,至少涉及到整个对流层。 最后,作者討論了:鉛直环流对鋒面的作用、极鋒型鋒区向赤道鋒的轉变以及我国副热带夏季某些系統的性貭及其特点等問題。

In this paper,an exploration about the method of regional short-range (24hr.) forecast of thunderstorm is provided based on analysing characteristics of the large-scale circulation of occuring thunderstorm. Composite analysing model output of numerical forecast(M) and experience forecast of synoptic meteorology(E)anddiagnosis(D),a MED forecast model is designed. The more effective result of forecast is achieved by applying this model during 1985-1986. Some characteristics of the short-range forecast of...

In this paper,an exploration about the method of regional short-range (24hr.) forecast of thunderstorm is provided based on analysing characteristics of the large-scale circulation of occuring thunderstorm. Composite analysing model output of numerical forecast(M) and experience forecast of synoptic meteorology(E)anddiagnosis(D),a MED forecast model is designed. The more effective result of forecast is achieved by applying this model during 1985-1986. Some characteristics of the short-range forecast of thunderstorm are analysed and the rationality about MED method is discussed.

本文在分析产生雷暴的大尺度环流特征的基础上探讨了雷暴的地区性短期(24小时)预报方法,采用数值模式预报(M)、天气学经验预报(E)、诊断分析(D)综合分析的方法,建立起MED预报模型。该模型对1982—1984年五月份共93天的拟合率为92/93,1985—1986年两年五月份共实际出现雷暴4次,报对3次,无空报,试报准确率为61/62,效果较好。文中还就短期雷暴预报的某些特点进行了分析,并对MED方法的合理性等问题作了讨论。

 
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