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An experiment on atmospheric refractivity retrieved from Doppler weather radar during a thunder-storm
Author(s): 
Pages: 433-438
Year: Issue:  4
Journal: Journal of Nanjing Institute of Meteorology

Keyword:  Doppler weather radaratmospheric refractivityecho phase;
Abstract: 由温度、气压和水汽压决定的大气折射率会影响天气雷达电磁波的传播路径和目标回波的相位。因此,通过测量目标回波相位的变化能够算出大气折射率的变化,进而得到水汽信息,为研究局地对流天气和水汽平流提供资料。本文阐述了多普勒天气雷达反演大气折射率的原理和方法,并利用江苏省气象台的S波段多普勒天气雷达反演了一次雷暴过程前后的大气折射率,表明了雷达探测大气折射率的可靠性。这项工作有望为研究水汽变化和天气过程提供...
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