Evidence for long-lived polar vortex air in the mid-latitude summer stratosphere from in situ laser diode CH4 and H2O measurements

被引：20

作者：

Durry, G

Hauchecorne, A

机构：

[1] IPSL, Serv Aeron, UMR 7620, F-91371 Verrieres Le Buisson, France

[2] Univ Reims, GSMA, UMR 6089, F-51687 Reims, France

来源：

ATMOSPHERIC CHEMISTRY AND PHYSICS | 2005年 / 5卷

关键词：

D O I：

10.5194/acp-5-1467-2005

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A balloon borne diode laser spectrometer was launched in southern France in June 2000 to yield in situ stratospheric CH(4) and H(2)O measurements. In the altitude region ranging from 20 km to 25 km, striking large spatial structures were observed in the vertical concentration profiles of both species. We suggest these patterns are due to the presence of long-lived remnants of the wintertime polar vortex in the mid-latitude summer stratosphere. To support this interpretation, a high resolution advection model for potential vorticity is used to investigate the evolution of the Arctic vortex after its breakdown phase in spring 2000.

引用

页码：1467 / 1472

页数：6

共 40 条

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