气象2011,Vol.37Issue(11):1389-1394,6.
四川盆地降水云系飞机云物理观测个例分析
Case Analysis of Microphysical Characteristics of Precipitation Cloud System in Sichuan Basin
摘要
Abstract
Using the airborne observation data from two continuous flights on 26 and 27 October 2008,this paper analyzes the cloud microphysical characteristics and precipitation mechanisms of the observed cloud system to reveal the microphysical process of precipitation in Sichuan Basin.The results show that:(1) The observed cloud system is a deep mixed cloud system,with cold in the upper layer and warm in the lower layer.The cloud top is around -10℃,and the 0℃layer is high.The warm layer is deep(around 3200 m),while the cold layer is correspondingly thin(around 1800 m).(2) From top to bottom in the super -cooled layer,the size spectra of the large cloud particles and precipitation particles become remarkably wider.(3) In the warm layer,the precipitation particles become smaller and decreased.(4) The existence of ice nuclei and super-cooled water initiates the cold cloud process.The latter coordinates with the warm cloud process in the warm layer,and then the ground precipitation achieves.However,super-cooled water is not abundant,and the precipitation particles formed are not plentiful,as well as the liquid water content in the warm layer is small,thus,the ground precipitation is small.关键词
云物理探测/PMS/降水云系/滴谱Key words
cloud physics observation/PMS probe/precipitation cloud system/size spectra分类
天文与地球科学引用本文复制引用
王维佳,刘建西,石立新,刘平,张世林,董晓波..四川盆地降水云系飞机云物理观测个例分析[J].气象,2011,37(11):1389-1394,6.基金项目
中国气象局2010年面上推广项目 ()
2010年中国气象局成都高原气象开放实验室基金 ()
四川省气象局2010-重点-05和四川省气象局2010-青年-13共同资助 ()