| 新疆冬季降雪微结构及其增长过程的初步研究 |
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| 引用本文： | 游来光,王守荣,王鼎丰,迟玉明.新疆冬季降雪微结构及其增长过程的初步研究[J].气象学报,1989,47(1):73-81. |
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| 作者姓名： | 游来光 王守荣 王鼎丰 迟玉明 |
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| 作者单位： | 国家气象局气象科学研究院
(游来光，王守荣)，新疆自治区气象局
(王鼎丰)，新疆自治区气象局(迟玉明) |
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| 摘 要： | 1982年冬季在新疆乌鲁木齐地区,利用飞机、雷达、雪晶观测等手段对降雪云的微结构及雪粒子的增长过程进行观测。三次个例的分析结果表明:70％以上的雪水量是在2000m以下的低层产生的,云中存在高达60个L~(-1)的冰晶浓度高值区,云中已无液态水,据此推测凝华—聚并是雪增长的重要过程。文中还对高空锋面附近的雪带微结构及其做为引晶云的特征进行了阐述。
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| 收稿时间： | 1986/11/1 0:00:00 |
| 修稿时间： | 1987/12/1 0:00:00 |
THE MICROPHYSICAL STRUCTURE OF SNOW CLOUD AND THE GROWTH PROCESS OF SNOW IN WINTER IN XINJIANG |
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| You Laiguang,Wang Shourong,Wang Dingfeng and Chi Yuming.THE MICROPHYSICAL STRUCTURE OF SNOW CLOUD AND THE GROWTH PROCESS OF SNOW IN WINTER IN XINJIANG[J].Acta Meteorologica Sinica,1989,47(1):73-81. |
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| Authors: | You Laiguang Wang Shourong Wang Dingfeng and Chi Yuming |
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| Institution: | Academy of Meteorological Sciences, SMA;Academy of Meteorological Sciences, SMA;Xinjiang Meteorological Bureau;Xinjiang Meteorological Bureau |
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| Abstract: | The microphysical structure and growth process of snow was observed by means of instrumented aircraft, weather radar,snow crystal observation and others during the winter in 1982 in Ürümqi region. Some preliminary results was obtained, it shows that more than 70% of snow mass growth is produced in the lower cloud under the cold front. In the lower cloud, the ice crystal concentration is as high as 60 per litre, and the supercooled water is absent, so that the diffusional growth of icecrystals and the aggregation of snow crystals are important process for the snow development. The microphysical structure and the function as a seeder clond of snow band aloft near the aerofront are also described. |
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