Comparative analysis of the features of acid rain under the influence of different weather systems in Guangdong Province-Numerical simulation of meteorological fields
Abstract:The numerical simulations were carried out on three acid rain processes influenced by different weather systems (cold front, low pressure trough and typhoon) in Guangdong province by WRF mesoscale meteorological model. The acid rain was mainly located in the Pearl River Delta region and an industrial area -Shaoguan. The highest pH value appeared in typhoon case (5.81), followed by low pressure trough case (5.60) and cold front case (5.40). The location and variation of cold front acid rain was mainly influenced by wind speed, wind direction, relative humidity, and inversion, the other two types of acid rain was mainly influenced by rainfall and wind speed. The increase in wind speed and rainfall were beneficial to remission the acidity of precipitation, and the existence of the inversion and the wind convergence were conducive to increase the acidity of precipitation.
邹德龙, 罗栩羽, 范绍佳, 钟流举, 樊琦. 不同天气系统影响下广东省酸雨特征对比分析
——气象场数值模拟
[J]. 中国环境科学, 2012, 32(8): 1439-1446.
ZOU De-Long, LUO Xu-Yu, FAN Shao-Jia, ZHONG Liu-Ju, FAN Qi. Comparative analysis of the features of acid rain under the influence of different weather systems in Guangdong Province-Numerical simulation of meteorological fields. CHINA ENVIRONMENTAL SCIENCECE, 2012, 32(8): 1439-1446.