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首页> 外文期刊>Geophysical Research Letters >North Atlantic oscillation modulates total ozone winter trends
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North Atlantic oscillation modulates total ozone winter trends

机译：北大西洋的振荡调节了整个臭氧冬季趋势

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摘要

The North Atlantic Oscillation (NAO) is modulating the Earth's ozone shield such that the calculated anthropogenic total ozone decrease is enhanced over Europe whereas over the North Atlantic region it is reduced (for the last 30 years). Including the NAO in a statistical model suggests a more uniform chemical winter trend compared to the strong longitudinal variation reported earlier. At Arosa (Switzerland) the trend is reduced to -2.4% per decade compared to -3.2% and at Reykjavik (Iceland) it is enhanced to -3.8% compared to 0%. The revised trend is slightly below the predictions by 2D chemical models. Decadal ozone variability is linked to variations in the dynamical structure of the atmosphere, as reflected in the tropopause pressure. The latter varies in concert with the NAO index with a distinct geographical pattern. [References: 22]
机译：北大西洋涛动（NAO）调节着地球的臭氧层，从而使欧洲的人为总臭氧减少量得到了提高，而北大西洋地区（过去30年）中减少了。与早先报道的强纵向变化相比，将NAO包括在统计模型中表明化学冬季趋势更加统一。在阿罗萨（瑞士），这一趋势从-3.2％降低到每十年-2.4％;在雷克雅未克（冰岛），该趋势从0％降低到-3.8％。修订后的趋势略低于2D化学模型的预测。年代际臭氧的变化与对流层顶压力所反映的大气动力结构变化有关。后者与NAO指数一致，具有独特的地理格局。 [参考：22]

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