Translation of "ozone column" into Chinese

Although ODSs in the vortex have shown small decreases, the Antarctic springtime ozone column does not yet show a statistically significant increase.

尽管涡旋中的消耗臭氧层物质略有减少,但是南极地区春季臭氧气柱并没有在统计数据上显示明显的增加。