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cloud microphysical structures
相关语句
  云微物理结构
     Videosonde Observations and Analyses for Cloud Microphysical Structures in Mei-yu Front Precipitation System
     对梅雨锋降水云微物理结构的摄像探空观测和分析
短句来源
  相似匹配句对
     THE CLOUD
     云
短句来源
     The structures of
     这些醚化产物的结构由红外、核磁、质谱确定。
短句来源
     structures.
     结构延性的有效措施——人工塑性铰。
短句来源
     Videosonde Observations and Analyses for Cloud Microphysical Structures in Mei-yu Front Precipitation System
     对梅雨锋降水云微物理结构的摄像探空观测和分析
短句来源
     Studies on Microphysical Processes in Hail Cloud
     冰雹云中微物理过程研究
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The progress in hot-wire water content guage development is describedd briefly and discussions are made on the working principles and the display module of the KLWC-5 liquid water content guage and its application to microphysical sounding. The aircraft measurements can be used to improve the understanding of cloud microphysical structure, so to increase the effectiveness of rain enhancement.

简要介绍了热线含水量仪的研究进展 ,讨论了目前人工增雨试验中使用的机载KLWC含水量仪的工作原理、显示模块及其在微物理探测中的应用。这些飞机观测数据资料有助于加深人们对云物理结构的了解 ,从而提高人工增雨作业效率。

The detail information is deduced on the microphysical affection of stratiform cloud seeding,including in situ aircraft measurements,radiosondes,radar data,and surface observations in the experiment of precipitation enhancement in Jilin Province during 11-12 July 2002.The results indicate that the maximum of cloud super cooled liquid water content reaches 0.1-0.2 g/m~3,but the concentration of ice crystal is very low for nature cloud.It means that the cloud is eligible for precipitation...

The detail information is deduced on the microphysical affection of stratiform cloud seeding,including in situ aircraft measurements,radiosondes,radar data,and surface observations in the experiment of precipitation enhancement in Jilin Province during 11-12 July 2002.The results indicate that the maximum of cloud super cooled liquid water content reaches 0.1-0.2 g/m~3,but the concentration of ice crystal is very low for nature cloud.It means that the cloud is eligible for precipitation enhancement seeding according to principle of weather modification.The changes of cloud microphysical structure,such as the increasing of ice crystal concentration and diameter of rain droplets,the decreasing of super cooled liquid water content,are caused by seeding liquid CO_2.The increase in radar echo intensity in the incidence area comparing with the target area is also caused by cloud seeding,which is similar to the increase in concentration of rain droplets observed by in situ aircraft.For the precipitation intensity in the incidence area of cloud seeding increases but it only slightly changes in the comparison area.The redistribution of rainfall is caused by cloud seeding in the precipitation area.

根据飞机探测仪器观测到的云中粒子微观结构,结合卫星、雷达和常规天气资料,分析了人工增雨作业前后云的宏、微观物理结构和降水变化。结果表明,作业后影响区云中的冰晶浓度、雨滴直径比对比区有明显增加,云中过冷水减少;对比区降水回波强度和强回波区面积变化不大,而影响区最大回波强度增大,强回波区的面积扩大,降水增加。这与影响区云中降水粒子增多、直径增大是一致的,这些结果说明了液态CO2催化层状云的物理响应。

The ARPS mesoscale model is improved by modified its cloud microphysical scheme.Three new predictands and their microphysical processes, including the number concentration of cloud ice(Ni) and artificial ice crystal(Nia) and the mixing ratio of artificial ice crystal(Qia),are introduced into the model.Deposition and condensation-freezing nucleation(pidcf),contact-freezing nucleation(pictc),ice multiplication(pimult) and accretion of cloud ice by cloud water(piacw) are added...

The ARPS mesoscale model is improved by modified its cloud microphysical scheme.Three new predictands and their microphysical processes, including the number concentration of cloud ice(Ni) and artificial ice crystal(Nia) and the mixing ratio of artificial ice crystal(Qia),are introduced into the model.Deposition and condensation-freezing nucleation(pidcf),contact-freezing nucleation(pictc),ice multiplication(pimult) and accretion of cloud ice by cloud water(piacw) are added to the cloud microphysical scheme.The equations of autoconversion of cloud water to form rain(praut),condensation and evaporation of cloud water(svc),deposition of cloud ice(dep) and sublimation of cloud ice(sub) are improved.In addition,three kinds of cold cloud seeding scheme are developed in model,and the seeding materials include ideal artificial ice crystal and AgI catalyst.Two cases of Qilian mountains area orographic cloud in summer are simulated by the improved ARPS model.The characteristics of cloud development,cloud dynamic, precipitation and cloud microphysical structure are investigated.Those cases study suggest that orographic cloud is greatly influenced by topography.Forced lifting of topography prolong cloud life,widen cloud field and promote the development of cloud convection.Because of orographic influence,precipitation area is expanded,and precipitation duration is prolonged,and precipitation intensity and grossed are also changed.Furthermore,the orographic influence also result in the variation of cloud microphysical characteristic,such as the grosses,distribution and life time of water substance in cloud.

对三维非静力中尺度模式ARPS的云降水微物理方案进行了改进,利用改进后的ARPS模式模拟了祁连山地区夏季的两个地形云个例,通过对各自模拟结果的对比分析并结合实况资料研究了夏季祁连山地区地形云的发展状况、动力场特征、降水特征以及云微物理结构特征。研究结果表明,地形云的发展受地形影响很大,地形的抬升促进了云和降水的发展,地形的作用也改变了地面降水特征,使云的宏、微观物理结构发生较大变化。

 
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