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大气科学  2006 

降水的雷达反射率因子与大气相对湿度的相关关系研究

DOI: 10.3878/j.issn.1006-9895.2006.02.17

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Abstract:

从理论上分析了雷达反射率因子与相对湿度的关系,并利用2003年福建省三明地区大田、尤溪、建宁、宁化、将乐、永安气象站的气象观测资料,首先根据天气现象和逐时降雨量算出雨强,再通过Z-I关系,把观测时的雨强转换为回波强度,然后统计出不同气温下降水的雷达反射率因子与当时大气相对湿度的相关关系,从而为雷达回波强度资料通过转化为大气相对湿度值进入数值模式提供科学依据.

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