热带对流雨中高速小液滴的特征

2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) Pub Date : 2017-08-01 DOI:10.23919/URSIGASS.2017.8105116

T. Sarkar, A. Maitra

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引用次数: 0

摘要

在加尔各答热带地区不同类型的雨中观测到高速小雨滴(超终端)的特征。利用激光降水监测仪(LPM)对印度加尔各答2013年季风季节的几次降雨事件的测量表明，热带对流中高速小雨滴的存在是重要的。此外，随降雨量的增加，自然降雨中超末端雨滴的比例也逐渐减少。在高降雨强度下，超末端雨滴的减少意味着雨滴合并多于雨滴分裂。

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Characteristics of high velocity small drops in tropical convective rain

The characteristics of high velocity small drops (super-terminal) are observed during different types of rain in a tropical region, Kolkata. Measurements using a Laser Precipitation Monitor (LPM) for several rain events spanning the monsoon season of 2013 at Kolkata, India, shows that the presence of high velocity small drops is significant in tropical convection. Additionally, the fraction of super-terminal drops in natural rain is found to decrease with increasing rain rate. The decrease of superterminal drops in high rain intensities, implies increase in rain drop coalescence over drop break up.

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2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS)

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