hail cloud 中文意思是什麼
hail cloud
解釋
雹雲-
The three - dimensional cloud model with hail - bin microphysics could simulate the characteristics of the severe storm such as life cycle, rainfall distribution and diameter of hail well, and also could produce strong downdraft and wind shear ( downburst )
而利用三維強冰雹雲模式對此次強風暴的生命史、降水分佈、降雹的大小等要素做了較好的模擬，並能夠模擬出伴隨強風暴過程所產生的強下沉氣流和及地面強風速切變（下擊暴流） 。 -
The mechanism of the downburst formation was also investigated based on the cloud microphysics of the simulated storm and it was found that this downburst was primarily produced by hail loading, and enhanced by hail melting and rain evaporation. and the loading and the melting of hail played a very important role in producing the downburst. the gale at the surface was caused by the severe downburst
從雲微物理學角度分析了此次局地性大風的形成原因，認為由高空冰雹粒子的拖曳產生的負浮力作用是促發強下沉氣流產生的主要原因，其次是冰雹的融化和雨水蒸發冷卻對下沉氣流起加速作用，冰雹的拖曳和融化作用對下沉氣流具有決定性的作用。 -
Using the 1ap 3 - d hailstorm numerical model, we analyze influence of variation on rainfall amount, hail fallout amount, dynamical process of cloud, microphysical process, mechanism of hail suppression with seeding, and seeding outcome. besides, we use those study outcomes and bring forward some advice about using and improving model. we simulate a hailstorm occurred in nanjing county and analyze influence of raindrop, ice crystal, graupel size distribution on outcome of model
本文利用中國科學院大氣物理研究所的三維冰雹雲催化數值模式，通過對冰雹雲的模擬和對譜參數的數值試驗結果，分析了冰雹雲中粒子譜形的變化，對雲和降水過程的影響，其中包括雨滴譜、冰晶譜、霰譜的形狀參數對自然雲的發展過程、降雨降雹、雲中微物理過程、霰以及冰雹的形成機制的影響。 -
The results show that it has no effect on cloud development and cloud structure, when form factors of raindrop, ice crystal, graupel size distribution ( r, i, g ) vary respectively, r variation has a bigger effect on rainfall amount and hail fallout amount, a, variation has a smaller effect on rainfall amount and hail fallout amount
並利用這些研究結果，對雲模式的使用和改進提出建議。對1988年5月3日發生在南京的冰雹雲個例分別進行了雨滴譜影響的數值試驗、冰晶譜影響的數值試驗、霰譜影響的數值試驗以及雨滴、冰晶、霰譜影響的數值試驗。 -
Automatic recognition system of radar echo for hail cloud
冰雹雲雷達回波自動識別系統 -
The indexes of identifing hail cloud using digifal radar xdr in wusu
數字化雷達識別雹雲指標初探 -
When r, i, g vary with height at the same time, effect on rainfall amount and hail fallout amount are all bigger, especially, hail fallout amount. another hailstorm occurred in xunyi county, shanxi province on july 9. 1999 is also simulated. by contrasting two different hailstorms in nanjing and xunyi county, we analyze the effect of i variation on nature cloud and precipitation, then we analyze the effect of i variation on mechanism of hail suppression with seeding and seeding outcome in two seeding experiments with agl
模擬了1999年7月9日陜西省旬邑地區的冰雹雲個例，在只改變模式中_ i取值的條件下，對南京、旬邑兩個不同地區的冰雹雲，對比分析了冰晶譜形變化，對雲和降水的影響，最後又分別用agi進行催化數值試驗，來對比研究兩個不同地區雲中冰晶譜形的變化，對催化防雹影響。 -
They encounter incredible cloud movement, torrential rain, severe winds and hail, lightning, breathtaking storm structures
不管是匪夷所思的雲團移動、狂風暴雨夾著冰雹，還是電閃雷鳴以及驚險的風暴結構都無所畏懼。 -
The main results show that i variation in two hailstorms has different effect on surface rainfall, surface hail fallout, rainfall intensity, hail fallout intensity. in two hailstorm, i variation has no effect on formation mechanism of particles in cloud, but i variation has different effect on microphysical processes in cloud
主要結果表明，不同地區冰雹雲中冰晶譜形的變化對自然雲中降水的影響程度是不同的，當降雹強烈時，冰晶譜形的變化對自然雲中降水的影響尤為明顯。 -
A severe convective storm accompanied with severe wind, heavy rain and hail on 23 august 2001 in beijing was simulated by mm5 initiated with ncep reanalysis data and a three - dimensional cloud model with hail - bin microphysics, which was initiated with the air soundings at beijing at 20 : 00 on 23 august 2001, and some comparisons were also made between the simulated and natural storm
首先利用中尺度非靜力平衡模式（ mm5 ） ，模擬了2001年8月23日北京一次伴有大風、暴雨、冰雹的強對流天氣發生發展的中尺度背景場，並根據mm5的輸出結果分析了此次大風發生發展過程。 -
In this study, the mechanism of the severe convective storm accompanied with severe wind was investigated using both mm5 and a hail - bin cloud model
本文主要研究了產生災害性大風的強風暴的形成環境與機理。
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