沙塵暴天氣 的英文怎麼說

中文拼音 [shāchénbàotiānqì]
沙塵暴天氣 英文
cwjxuoc = sandstorm
  • 沙 : 沙動詞[方言] （搖動以清除雜物） shake
  • 塵 : 名詞1. （塵土） dust; dirt 2. （塵世） this world 3. [書面語] （蹤跡） trace; tracks 4. （姓氏） a surname
  • 暴 : Ⅰ形容詞1 （突然而且猛烈） sudden and violent 2 （兇狠; 殘酷） harsh and tyrannical; cruel; fierce...
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 沙塵暴 : csandstorm
  • 沙塵 : fine sand flying up in the air
  1. In modern times, the el ni ? o phenomenon and other anomalies in the north pacific occasionally have steered weather patterns far enough to trigger surprise droughts, such as the one responsible for the u. s. dust bowl of the 1930s

    近代，聖嬰現象與北太平洋的其他反常現象，曾三番兩次牽動天氣模式，達到足以引發意外乾旱的程度，其中的一次導致了1930年代美國的沙塵暴。
  2. Dynamical and thermodynamic mechanisms of a severe dust storm

    強沙塵暴天氣形成機制個例分析
  3. The result shows that : the sand - dust storm occured in favorable climate background that is drought and rainless, the tilted trough and mongolia cyclone are the important weather systems that caused the severe sand - dust storm, tilted trough and strong frontal zone caused the mongolia cyclone developed and the clod front strengthened at surface, high jet and ferrel circulation are the main reason that momentum spreaded downward from higher level and frontal zone strengthened on lower level

    結果表明：沙塵暴是在乾旱少雨的有利的氣候背景下產生的。斜壓槽和蒙古氣旋是觸發這次強沙塵暴天氣過程的重要的天氣系統，高空斜壓槽和強鋒區促使了地面蒙古氣旋的發展和冷鋒的加強，誘發沙塵暴天氣。高空急流及其下方的ferrel環流起到了高層動量下傳和加強低層鋒區的重要作用。
  4. Sand - dust storm is a kind of calamitous weather phenomenon, which means that strong breeze draws much sand and dust on the surface into the sky, making air very foul and with visibility lower than 1km

    沙塵暴系指強風把地表大量沙塵捲入到空中，使空氣特別渾濁，水平能見度低於1km的災害性天氣現象，是重要環境問題之一。
  5. The diagnostic analysis for the sandstorm process on the base of height, temperature, pressure and wind etc output from the model shows that the upper cold trough, low - level wind shear, surface cold anticyclonic ridge, mesoscale cyclone and cold front are the main synoptic systems, surface cold anticyclonic ridge and cold front provide condition of wind force to occurrence of the sandstorm weather, the strong mesoscale cyclone before front makes pressure gradient before and after cold front obviously strengthen, moreover, and it increases obviously the temperature of the controlled area, as a result, the updraft movement caused by convergence before front strengthens

    500hpa強鋒區、 700hpa切變和鋒前中尺度系統的強弱及位置變化是沙塵暴天氣發生發展到減弱的直接原因。地面冷高壓、地面氣旋及冷鋒是造成本次沙塵暴天氣的主要地面天氣系統。地面冷高壓及冷鋒為沙塵暴天氣的發生提供了風力條件，而中尺度氣旋使冷鋒前後氣壓梯度明顯增強外，又使所控制的區域增溫明顯，使鋒前輻合上升運動加強，為沙塵暴天氣的發生提供了熱、動力條件。
  6. The persistence of dry warmer sector in winter in northwest of china is the index of its occurrence. moreover, the sand over the ground surface also provided a favorable substance condition. sand - dust weather in qingdao occurred frequently in spring

    蒙古氣旋和西北強冷空氣是「 3 . 20 」強沙塵暴最主要的天氣形勢和動力機制；冬季北方乾旱少雨、沙塵裸露面大提供了物質基礎。
  7. In early 2001, there were strong winds, flying dust, flying sand and sandstorms in hexi corridor and part of inner mongolia, which influenced part of the north china, including beijing

    2001年年初，河西走廊、內蒙古部分地區出現大風、浮塵、揚沙和沙塵暴天氣，並影響到包括北京在內的華北部分地區。
  8. Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust

    利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計（ sauvs ） ，測量到達北京地表的太陽直接和散射紫外光譜輻射，導出了大氣氣溶膠的光學厚度。初步結果表明：北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小，用指數函數可以較好地擬合反演結果，統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式；初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點，並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析；分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式；最後與全球氣溶膠監測網路（ aeronet ）北京站的資料做比對，表明反演結果基本合理。
  9. The contrast analysis for the vertical distribution feature of the simulated physical quantities such as vorticity, divergence, vertical velocity. spiral degree etc suggests that there are a good disposal among the various physical quantities fields in the different stage during the period of sandstorm development, and reveals that the dynamic mechanism of the forming, developing, decreasing of the sandstorm weather and trigger and indication effects of the micro - mesoscale systems and secondary vertical circulation to the occurring and developing of sandstorm in northwest area

    對渦度、散度、垂直速度、螺旋度等物理量的水平和垂直分佈特徵進行對比分析，發現各物理量場在沙塵暴發展的不同時期有著很好的配置，揭示出西北地區沙塵暴天氣的形成、發展、消弱的物理機制和中小尺度系統、次級垂直環流對沙塵暴天氣發生發展的觸發和指示作用。沙塵暴區上空螺旋度垂直分佈為高層負值，低層正值，螺旋度大小的演變與沙塵暴的出現有一定的對應關系。
  10. To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds

    利用所取資料，系統分析了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒子譜分佈、光學厚度、化學組分等特徵；綜合分析了影響沙塵起動的諸物理因子在沙塵起動中的作用；用沙塵輸送模式對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模擬。歷史氣象資料統計分析表明，沙塵暴有其高發期（ 4 、 5月）和高發時段（ 14 - 20時） ， 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下，湍流動量通量和湍流感熱通量都是重要的湍流交換，沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。
  11. Through the thermodynamic analysis for the sandstorm weather according to the simulated potential temperature, potential vorticity field, it is found that this sandstorm weather occurred in the condition of the atmospheric stratification stability, the area of the high potential temperature value and the potential temperature gradient have a good corresponding relationship with the surface cold air and cold front, so are the strength of potential vorticity and the different developing stage of sandstorm

    利用輸出的位溫、位勢渦度場，對沙塵暴天氣進行熱動力條件分析，發現本次沙塵暴天氣發生在大氣層結穩定狀態下，位溫大值區及位溫梯度與地面暖低壓的強弱和移動有著很好的對應關系，位渦的水平分佈特徵和強弱變化對沙塵暴的出現時間和落區有一定的指示意義。
  12. Otherwise, the stratified atmosphere is stable when the severe sand - dust storm happened

    另外，本次強沙塵暴天氣出現在基本穩定的大氣層結之中。
  13. Sandstorms : in 2001, the sandstorms occurred quite early and more frequently, with influences on wider scale, which is more serious than the year 2000 with frequent sandstorm weathers

    2001年風沙和沙塵暴天氣出現時間偏早、次數多、影響范圍廣，甚於風沙天氣頻發的2000年。
  14. By using the psu / ncar mm5 model, we made a numerical simulation about the severe sand - dust storm that occured in the north china on 20march in 2002

    20 」強沙塵暴天氣過程進行了數值模擬，並利用模式輸出的各物理量對沙塵暴進行診斷分析，得出了華北地區沙塵暴的形成、發展機制。
  15. According to the source areas, the sand - dust storms are classified into two types : the inner source and the outer source sand - dust storms. more than half of the sand - dust storms affected china came from mongolia

    根據沙塵暴的起源，可將發生在我國的沙塵暴天氣過程分為境外源區和境內源區，影響中國的沙塵暴天氣有七成起源於蒙古國。
  16. In the far south, british forces fought on the fringes of the beleaguered city of basra, while the first substantial relief convoy reached the iraqi port of umm qasr on wednesday after weathering a blinding sandstorm

    在南方，英軍正在被圍困的巴士拉郊外戰斗，第一批救援物資在令人不見五指的沙塵暴天氣後於周三已經到達伊拉克港口烏姆蓋斯爾。
  17. Using the actual data as initial field, this paper simulates numerically the weather pattern, wind field and temperature of the strong sandstorm in northwest area during april 8 - 9, 2001 and the simulation results are very good

    本文以實況資料作初始場，對西北地區2001年4月8 9日強沙塵暴天氣過程的天氣形勢、風場和溫度場進行數值模擬，模擬效果比較理想。
  18. Based on the available high - quality surface - meteorlogical observation data from 22 stations in trim basin from 1961 to 2000, investigation has been conducted for the temporal and spatial distribution characteristics, especially for interdecadal change and long - term trend of sandstorm in trim basin in recent 40 years

    摘要本文利用1961 - 2000年塔里木盆地22個氣象站的氣象實測資料，分析了近40年塔里木盆地沙塵暴天氣的時空分佈特徵。
  19. 1 ) the number of sandstorm days from 12 weather stations in the helanshan zone is documented, indicating that the events can happen on the east and west sides of the ranges all the year round, with high frequencies in april to may, averaging 3. 2 and 3. 1 days on the west side, respectively and with the eastern high frequency in april, averaging 2. 0 days. also, analysis reveals that the high frequency period for eastern station yanchi and western guaizihu is april, with 5. 4 and 5. 2 days, on average, respectively

    銀川、巴音浩特和通古淖爾三地背景大氣沙塵氣溶膠粒子的數濃度譜和質量濃度譜均呈單峰型，服從對數正態分佈，與城市污染物氣溶膠的三峰、雙峰質量譜明顯不同。浮塵、揚沙、沙塵暴天氣條件下，平均數濃度和質量濃度是依次增加的，可相差4 - 7倍。沙塵氣溶膠粒子譜分佈還與地理位置有關。
  20. It was demonstrated that in june and december, as far as the daily averaged rates were concerned, whether the aerosol concentration is the heat source or the cold one depends on the aerosol density. however, the relation bears nonlinear features. in the diurnal range, the effects of the aerosol radiative forcing on the atmospheric stability depend on the vertical distribution and density of the aerosol

    結果表明，從氣候角度而言，氣溶膠濃度的差別使得即使是在6月份，氣溶膠層既可以是冷源也可以是熱源從天氣尺度而言，氣溶膠的垂直分佈和濃度對層結穩定度有著重要影響，並由此從物理上指出了沙塵暴天氣過程中輻射效應所起的重要作用。
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