| 贵州夏季自然云中冰雪晶和大粒子观测结果的分析 |
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| 引用本文： | 杨平.贵州夏季自然云中冰雪晶和大粒子观测结果的分析[J].高原气象,1988(2). |
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| 作者姓名： | 杨平 |
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| 作者单位： | 贵州省气象科学研究所 |
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| 摘 要： | 本文对夏季贵州自然降水性云的冰雪晶、大粒子作了初步分析。主要结果有:(1)冰雪晶平均浓度比北方地区的低,另外云中含水量大的区域冰雪晶平均浓度值也较大。(2)积状云冰雪晶浓度频数分布较集中,大多数集中于平均值附近,不超过一个量级。(3)冰雪晶和大粒子空间分布有明显差异。(4)在浓积云内暖云部分有冰雪晶沉降。(5)贵州夏季自然云降水及其人工催化的研究必须考虑冰相过程。
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| 关 键 词： | 冰雪晶 大粒子 含水量 积状云 暖云 |
THE ANALYSES OF THE OBSERVATIONS OF ICE AND SNOW CRYSTALS AND LARGE HYDROMETEOR PARTICLES WITHIN NATURAL CLOUDS IN SUMMER OVER GUI ZHOU PROVINCE |
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| Yang Ping.THE ANALYSES OF THE OBSERVATIONS OF ICE AND SNOW CRYSTALS AND LARGE HYDROMETEOR PARTICLES WITHIN NATURAL CLOUDS IN SUMMER OVER GUI ZHOU PROVINCE[J].Plateau Meteorology,1988(2). |
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| Authors: | Yang Ping |
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| Abstract: | In this paper, we have made a preliminary analysis of ice and snow crystals and lareg hydrometeor particles within natural precipitation clouds in summer over Guizhou Province. The main results are:
( 1 ) The mean concentration of ice and snow crystals is lower than that in the Northern China and with higher values in the regions of clouds where is more liquid-watre content there.
( 2 ) The frequency-distribution spectrum of the concentrations of the ice and snow crystals in the cumulus clouds is apparently with a peak around the mean values. The difference between the maximum and the mean values is less than an order of magnitude.
( 3 ) There are obvious differences between the spatial distributions of ice and snow crystals and large hydrometeor particles.
( 4 ) The ice and snow crystals precipitate maybe from the warm parts of cumulus congestus.
( 5 ) The process of the transformation to solid phase, ice and snow crystals, must be considered in the studies about natural cloud precipitation and its artificial seeding in summer over Guizhou Province. |
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| Keywords: | Ice and snow crystals Large hydrometeor particle Liquid-water content Cumulus cloud Warm cloud |
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