中国低纬度地区大气臭氧总量的变化特征
VARIATION OF TOTAL OZONE IN LOWER LATITUDE AREA OF CHINA
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摘要: 分析研究了位于我国低纬地区不同经度的昆明与香港两个站点上空的臭氧分布与演变状况,得出了中国低纬度地区大气臭氧总量的时空演变特征。研究结果显示:(1)香港与昆明两地臭氧的时间变化特征极为相似;(2)整个中国低纬地区的大气臭氧的时间变化趋势是非常一致的,在空间上呈现出东高西低的特征;(3)我国低纬地区的大气臭氧总量在夏季出现极大值,在冬季出现极小值。计算结果还表明,昆明的臭氧总量要小于其所在纬圈的平均值。Abstract: By using the observational O3 data of Kunming and Hong Kong during the period of 1997~2001, the paper studies the distribution and variation of total ozone in low latitude region of China. The study shows that the characteristic of variation in Kunming and Hong Kong are very similar, and the total ozone in western areas is larger than in the eastern areas. It is maximum in summer and minimum in winter.
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Key words:
- total ozone /
- lower latitude /
- characteristic of variation /
- latitudinal difference
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