mesoscale 中文意思是什麼
mesoscale
解釋
中尺度-
The horizontal width of the condensate falling from the convective cells was much less than the width of the observed mesoscale downdraft ( 60 km compared to 150 km )
從對流單體降落的冷凝物的水平寬度比觀測到的做尺度下沉氣流的寬度小得多（前者60公里而後者150公里） 。 -
The task selects the up to the minute mesoscale numerical model as our forecasting model and use thrice fixed nesting and terrain datum of down to dale ( highest precision data of 30s ) as our terrain datum in the endothecium
本文選擇了當今最為先進的中尺度數值模式mm5v3作為數值預報模式，採用三層固定網格嵌套，選用其最新提供的30s高精度資料作為內層重點考察小區的地形資料。 -
The simulative cloud image, made from the mixing ratios of cloud liquid water, rain water, ice crystal, snow, graupel which were outputted by the mesoscale model mm5, resemble the gms satellite infrared image very well and also show the cloud evolution of typhoon winnie from tropical cyclone to extratropical cyclone after landing
利用高解析度中尺度數值模式輸出的大氣中雲水冰水雨水雪水成功地模擬出1997年登陸臺風winnie的雲系結構。模擬雲圖與氣象衛星實際觀測的臺風雲圖非常相似。由於模擬雲圖可以給出大氣中不同形態水物質的三維空間分佈，彌補了衛星只能觀測雲頂表面的不足。 -
A complex mixed - phase explicit microphysical parameterization scheme, which also be known as reisner 2 explicit scheme was developed for use in the ncar / penn state mesoscale model versions ( mm5 ). the single - moment schemes has additional variables for graupel and ice number concentration, in which the mixing ratio of cloud water, rain water, cloud ice, snow and graupel are predicted and number concentration specified
Mm5中的reisner2方案是一種含霰的復雜混合相顯式雲物理方案，該方案包含了雲水、雨水、冰晶、雪和霰的混合比預報方程，同時對冰晶的數濃度作了預報。 -
Mesoscale model mm5 ; urban heat island ; wind field ; temperature field ; beijing area
Mm5中尺度模式城市熱島風場溫度場北京區域 -
The result indicates that, in the course of the rainstorm in huoshan, there are obvious low - level jet of great intensity, infection of mesoscale shear line, enhancement of plus vorticity which increases intensity of convergence, improves ascending velocity and brings on precipitation, and quick enhancement of helicity which provides the basis to forecast, in addition, convergence of moisture flux and analyzed potential vorticity which reflects baroclinic convective instability sufficiently indicate the characteristics of the rainstorm
結果表明：此次霍山暴雨發生前後，存在明顯的大強度低空急流，並受到中尺度切變線的影響，而且正渦度的加強引起了輻合加劇，提高了上升速度從而引起降水，同時暴雨發生前螺旋度的迅速增強，也為預報提供了根據，另外水汽通量的輻合以及分析位渦反映出的斜壓對流不穩定都充分體現了這次降水的特點。 -
Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model
第二，討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據，發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大，這有利於對稱不穩定的發生。第三，採用f平面、非靜力平衡、濾聲波模式，討論了中尺度垂直環流非線性攝動分析及演變方程。 -
The article designs the mesoscale numeric forecasting modek the scheme of objective analysis and four - dimensional data assimilation of global meteorologic data and the bidirectional nested scheme of mm5 model in detail
對中期數值天氣預報模式、全球氣象資料客觀分析和四維同化方案，以及mm5模式的雙向嵌套方案進行了詳細設計。 -
Mesoscale model simulations have been performed of a severe thunderstorm that occurred on 22 - 23 august 2001 in huabei area in china. combing with satellite, doppler radar images and general weather observations, the evolution mechanism of the severe thunderstorm is analysed with emphasis on the orographic effect of taihang mountain
將模擬的雲、風、壓場和降水與實況資料進行對比檢驗，在控制模擬效果較為理想的情況下，結合衛星、 doppler雷達觀測和常規天氣資料，對整個對流風暴的發展演變過程進行分析，並著重對強對流風暴發生演變的熱力、動力機制以及重力波特徵進行了研究。 -
It was pointed out that the horizontal distribution of the moist available energy is helpful for heavy rainfall, and one of the enhanced mechanism of mesoscale low vertox is slantwise vorticity development
同時指出，濕有效能量的水平分佈對于暴雨預報具有一定的指示意義，傾斜渦度發展是中尺度低渦加強的機制之一。 -
The accumulation and transportation of moist available potential energy and the release of the condensation heat offer the material condition for this heavy rainfall. under the condition of the air ' s movement through the stiff moist isentropic surfaces, the development of vertical vorticity of mesoscale low vortex system is accelerated due to the slantwise vorticity development, and to form stronger convective system, so as to result in heavy storm rainfall
濕有效能量的積聚和輸送為強降水的發生、發展提供了充分的物質條件；由於沿陡立等熵面的空氣上滑運動，因傾斜渦度發展造成了中尺度低渦系統垂直渦度迅速增加，促進了低渦的快速加強，形成強對流系統，導致強暴雨過程的發生。 -
Numerical simulation on the mesoscale structure and organization of a stratiform cloud system in henan province
河南省層狀降水雲系中尺度結構的數值模擬 -
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。 -
However, in real atmosphere, there exists vortex street made of two or three mesoscale vortices in typhoon eye - wall or outer region according to circulation of mesoscale structure observations
但是，據近來臺風環流中尺度結構的觀測結果，實際大氣中，臺風眼墻或外區有時存在2 - 3個中尺度渦構成的渦列。 -
The magnitude of these variables increased approximately ten times. it helped the rapid releasing of instability energy. the interaction of high - level and low - level mesoscale system leads to the rainstorm. the vertical cross section analysis of potential temperature tells us that rainstorm take place in the warm - moist and instability area. usually locate in the very stiff moist isentropes and it can lead to the development of vortex
通過對相當位溫的垂直剖面分析，可知兩場暴雨的中低層都為暖濕不穩定區，暖濕不穩定區上部冷空氣明顯擴散，暴雨產生在暖濕對流不穩定區內，通常產生在_ e陡峭和密集區中， _ e陡峭和密集區有利於渦旋發展。 -
Because meiyu rainstorm happens quickly, predicts in short time and often causes disaster. so study on the mechanism of mesoscale rainstorm system has a great value
由於梅雨暴雨突發性強、預報時效短，常造成重大自然災害，研究梅雨暴雨中尺度系統的發生發展機理，具有重要的理論和實際意義。 -
Strongly strengthening of the low level jet and releasing of the latent heat of condensation have effect on the occurrance of the disturbance of the moist potential vorticity in low lever, which is important conditions to the genesis and development of mesoscale vortex
低空急流的加強以及凝結潛熱的釋放均可以影響到低層濕位渦擾動的產生，從而有利於中尺度低渦的生成和發展。減弱低空急流的對比實驗證明了低空急流在對流層中低層中尺度低渦的生成和發展過程中起著關鍵性作用。 -
The mcc is composite of meso -, meso - and meso - scale convective systems which have different structure and motion features. although circularly approximately on the satellite imagery, the mcc shows linear distributions of radar echo, torrential rain, thunderstorm, cumulonimbus and mesoscale physical parameters as a squall line
它是中、和尺度對流系統組成的復合體，它在雲圖上近似圓形，其雷達回波、暴雨、雷暴、對流雲、中尺度物理量場等卻呈類似颮線的帶狀分佈。 -
It is one of the difficulties of mesoscale - numerical forecasting in rainfall
強降水預報是中尺度數值預報的難點之一。 -
Numerical weather prediction is an important means in present - day weather prediction. mesoscale model mm5 has been used widely in many observatories. along with a large number of doppler radar stations have been built in our country, it is a crucial problem for the meteorologists how to use doppler radar data in numerical weather prediction model
數值天氣預報是現代天氣預報的重要手段，中尺度模式mm5在很多氣象臺得到了廣泛應用，隨著我國多普勒天氣雷達的普及，如何在數值預報模式中使用雷達資料以提高對中小尺度天氣現象的預報準確率是擺在廣大氣象工作者面前的一個重要課題。
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