大气臭氧垂直分布的非均匀结构  

Heterogeneous structure analysis of ozone vertical distribution

作　　者：王卫国[1] 吴涧[1] 黄安宁[1] 罗燕[1] 

机构地区：[1]云南大学大气科学系,云南昆明650091

出　　处：《云南大学学报（自然科学版）》2004年第2期144-149,共6页Journal of Yunnan University(Natural Sciences Edition)

基　　金：国家自然科学基金资助项目(40165001和40205016);云南省自然科学基金资助项目(2003D0011M).

摘　　要：对昆明地区2001年春季探测的臭氧分压廓线数据的非均匀结构进行了分析.采用结构函数和双曲分布函数建立自相似的标度律,进而描述臭氧垂直空间中的非均匀结构(如,间歇性、粗糙度、标度指数、功率谱指数、分数维等).计算结果表明:①臭氧分压垂直空间分布序列的分数维在1～2之间;功率谱指数为1～3.②在不同高度层上,对流层顶附近的分数维最大D=1.365;而对流层中的则最小D=1.205.③平流层臭氧分压的垂直间歇性强且粗糙;对流层顶附近的垂直间歇性弱又光滑,并存在着很强的奇异性.The heterogeneous structure of ozone partial pressure profile have been studied which probed in Kunming region in the spring of 2001.Structural function and hyperbolic function is used to establish selfsimilar scaling law to describe the heterogeneous structure(such as:intermittency,roughness,scaling index,power spectrum index fractal dimension etc).The result shows that the fractal dimension of perpendicular spatial series of ozone partial pressure ranges from 1 to 2 and power spectrum index ranges from 1 to 3;the fractral dimension near upper troposphere is the largest( D =1.365) but the value in the middle and lower troposphere is the least( D =1.205);the perpendicular intermittency of ozone profile pressure in stratosphere is strong and rough,but the value near upper troposphere is weak and smooth which have the strongest singularity.

关 键 词：臭氧垂直分布 间歇性 粗糙度 标度指数 功率谱指数 分数维 非均匀结构 

分 类 号：P421.33[天文地球—大气科学及气象学]