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大气科学  2005 

1990~2002年北京地区大气臭氧垂直分布Umkehr观测反演研究

DOI: 10.3878/j.issn.1006-9895.2005.05.04

Keywords: 臭氧垂直分布,Umkehr算法,气溶胶订正

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Abstract:

基于标准Umkehr反演算法,利用北京地区Dobson仪器逆转观测资料,反演计算出臭氧垂直分布.在反演过程中加入气溶胶订正因子,使反演结果更加合理.利用臭氧垂直分布反演结果,研究1990~2002年北京地区臭氧垂直分布特征和变化情况.结果表明在1992年秋季和1993年春季期间,在10.3~23.5km范围内臭氧浓度有较大幅度降低,造成了这个期间月平均臭氧总量的明显偏低;1990年到2002年期间,臭氧总量的变化呈现出缓慢下降趋势,但不同高度臭氧含量的变化趋势有所不同.

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