The dynamics of the Arctic Polar Vortex during the EASOE Campaign
A blocking ridge over the Atlantic and N.W.Europe was the most persistent feature of the upper troposphere during the winter of 1991/1992. With brief intermissions, blocking lasted for almost three months. It produced large anomalies in the mean ozone fields for December 1991 and for January 1992; r...
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| Veröffentlicht in: | Geophysical research letters 1994-06, Vol.21 (13), p.1195-1198 |
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| container_title | Geophysical research letters |
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| creator | Farman, J. C. O'Neill, A. Swinbank, R. |
| description | A blocking ridge over the Atlantic and N.W.Europe was the most persistent feature of the upper troposphere during the winter of 1991/1992. With brief intermissions, blocking lasted for almost three months. It produced large anomalies in the mean ozone fields for December 1991 and for January 1992; record low amounts of total ozone were reported over Europe. The influence of this blocking system on the structure of the polar vortex is discussed. In the lower stratosphere there was a persistent collocation of the core of the jet stream with temperatures low enough to promote heterogeneous processes, subjecting a large amount of air to chemical processing. However the minor warmings of mid‐January and February make it difficult to identify chemical ozone loss against the background of the large anomalies present in 1991/92. |
| doi_str_mv | 10.1029/93GL03049 |
| format | Article |
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However the minor warmings of mid‐January and February make it difficult to identify chemical ozone loss against the background of the large anomalies present in 1991/92.</description><identifier>ISSN: 0094-8276</identifier><identifier>EISSN: 1944-8007</identifier><identifier>DOI: 10.1029/93GL03049</identifier><identifier>CODEN: GPRLAJ</identifier><language>eng</language><publisher>Washington, DC: Blackwell Publishing Ltd</publisher><subject>Anomalies ; Earth, ocean, space ; Exact sciences and technology ; External geophysics ; General properties of the high atmosphere ; Geophysics ; Jet streams ; Marine ; Ozone ; Physics of the high neutral atmosphere ; Polar vortex ; Ridges ; Troposphere ; Winter</subject><ispartof>Geophysical research letters, 1994-06, Vol.21 (13), p.1195-1198</ispartof><rights>Copyright 1994 by the American Geophysical Union.</rights><rights>1994 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3996-89a2d04276ac3ca6b62049ae587b59bf94a5ee4926acba45f543be4965b436353</citedby><cites>FETCH-LOGICAL-c3996-89a2d04276ac3ca6b62049ae587b59bf94a5ee4926acba45f543be4965b436353</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1029%2F93GL03049$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1029%2F93GL03049$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27922,27923,45572,45573</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4231067$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Farman, J. C.</creatorcontrib><creatorcontrib>O'Neill, A.</creatorcontrib><creatorcontrib>Swinbank, R.</creatorcontrib><title>The dynamics of the Arctic Polar Vortex during the EASOE Campaign</title><title>Geophysical research letters</title><addtitle>Geophys. Res. Lett</addtitle><description>A blocking ridge over the Atlantic and N.W.Europe was the most persistent feature of the upper troposphere during the winter of 1991/1992. With brief intermissions, blocking lasted for almost three months. It produced large anomalies in the mean ozone fields for December 1991 and for January 1992; record low amounts of total ozone were reported over Europe. The influence of this blocking system on the structure of the polar vortex is discussed. In the lower stratosphere there was a persistent collocation of the core of the jet stream with temperatures low enough to promote heterogeneous processes, subjecting a large amount of air to chemical processing. However the minor warmings of mid‐January and February make it difficult to identify chemical ozone loss against the background of the large anomalies present in 1991/92.</description><subject>Anomalies</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>External geophysics</subject><subject>General properties of the high atmosphere</subject><subject>Geophysics</subject><subject>Jet streams</subject><subject>Marine</subject><subject>Ozone</subject><subject>Physics of the high neutral atmosphere</subject><subject>Polar vortex</subject><subject>Ridges</subject><subject>Troposphere</subject><subject>Winter</subject><issn>0094-8276</issn><issn>1944-8007</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><recordid>eNp9kM1OwzAQhC0EEqVw4A1yQAgOATu24_hYVSWAooL4lbhYG9cBQ5oUOxX07TEE9Qan3dV-MxoNQvsEnxCcyFNJ8wJTzOQGGhDJWJxhLDbRAGMZ9kSk22jH-1eMA0TJAI3uXkw0WzUwt9pHbRV14R453VkdXbc1uOihdZ35jGZLZ5vnn_dkdHs1icYwX4B9bnbRVgW1N3u_c4juzyZ34_O4uMovxqMi1lTKNM4kJDPMQgLQVENapklICYZnouSyrCQDbgyTSfiXwHjFGS3DnfKS0ZRyOkSHve_Cte9L4zs1t16buobGtEuvSEYyIeQ3ePQ_yCmWMiNCBvS4R7VrvXemUgtn5-BWimD13ada9xnYg19b8BrqykGjrV8LWEIJTkXATnrsw9Zm9befym8KkfA0COJeYH3oeS0A96aCneDqcZqrAj8l06fLWzWmX12KjoE</recordid><startdate>19940622</startdate><enddate>19940622</enddate><creator>Farman, J. 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C.</creatorcontrib><creatorcontrib>O'Neill, A.</creatorcontrib><creatorcontrib>Swinbank, R.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><jtitle>Geophysical research letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Farman, J. C.</au><au>O'Neill, A.</au><au>Swinbank, R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The dynamics of the Arctic Polar Vortex during the EASOE Campaign</atitle><jtitle>Geophysical research letters</jtitle><addtitle>Geophys. Res. Lett</addtitle><date>1994-06-22</date><risdate>1994</risdate><volume>21</volume><issue>13</issue><spage>1195</spage><epage>1198</epage><pages>1195-1198</pages><issn>0094-8276</issn><eissn>1944-8007</eissn><coden>GPRLAJ</coden><abstract>A blocking ridge over the Atlantic and N.W.Europe was the most persistent feature of the upper troposphere during the winter of 1991/1992. With brief intermissions, blocking lasted for almost three months. It produced large anomalies in the mean ozone fields for December 1991 and for January 1992; record low amounts of total ozone were reported over Europe. The influence of this blocking system on the structure of the polar vortex is discussed. In the lower stratosphere there was a persistent collocation of the core of the jet stream with temperatures low enough to promote heterogeneous processes, subjecting a large amount of air to chemical processing. However the minor warmings of mid‐January and February make it difficult to identify chemical ozone loss against the background of the large anomalies present in 1991/92.</abstract><cop>Washington, DC</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/93GL03049</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 0094-8276 |
| ispartof | Geophysical research letters, 1994-06, Vol.21 (13), p.1195-1198 |
| issn | 0094-8276 1944-8007 |
| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Anomalies Earth, ocean, space Exact sciences and technology External geophysics General properties of the high atmosphere Geophysics Jet streams Marine Ozone Physics of the high neutral atmosphere Polar vortex Ridges Troposphere Winter |
| title | The dynamics of the Arctic Polar Vortex during the EASOE Campaign |
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