The Linkage between the Pacific-North American Teleconnection Pattern and the North Atlantic Oscillation
In this study, using the ECMWF reanalysis data, the possible linkage between the Pacific-North American teleconnection pattern （PNA） and the North Atlantic Oscillation （NAO） during boreal winter （December- February） is investigated. The PNA and the NAO pattern are obtained by performing Rotated Empi...
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| Veröffentlicht in: | Advances in atmospheric sciences 2009-03, Vol.26 (2), p.229-239 |
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| creator | 宋洁 李崇银 周文 潘静 |
| description | In this study, using the ECMWF reanalysis data, the possible linkage between the Pacific-North American teleconnection pattern （PNA） and the North Atlantic Oscillation （NAO） during boreal winter （December- February） is investigated. The PNA and the NAO pattern are obtained by performing Rotated Empirical Orthogonal Function （REOF） analysis on an anomalous daily mean 300-hPa geopotential height field. The composite daily NAO indices show that the NAO indices are prone to be negative （positive） when the contemporary PNA indices are extremely positive （negative）. The correlation coefficients between the daily PNA and NAO indices also confirm that, indeed, there is a significant anti-correlation between the PNA and NAO indices. The correlation peaks at a lag of 0 days （meaning contemporary correlation）, and its value is 0.202. Analyses of a newly defined Rossby wave breaking index and diagnostics of the stream function tendency equation indicate that the anti-correlation between PNA and NAO may be caused by the anomalous Rossby wave breaking events associated with the PNA pattern. |
| doi_str_mv | 10.1007/s00376-009-0229-3 |
| format | Article |
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The PNA and the NAO pattern are obtained by performing Rotated Empirical Orthogonal Function （REOF） analysis on an anomalous daily mean 300-hPa geopotential height field. The composite daily NAO indices show that the NAO indices are prone to be negative （positive） when the contemporary PNA indices are extremely positive （negative）. The correlation coefficients between the daily PNA and NAO indices also confirm that, indeed, there is a significant anti-correlation between the PNA and NAO indices. The correlation peaks at a lag of 0 days （meaning contemporary correlation）, and its value is 0.202. Analyses of a newly defined Rossby wave breaking index and diagnostics of the stream function tendency equation indicate that the anti-correlation between PNA and NAO may be caused by the anomalous Rossby wave breaking events associated with the PNA pattern.</description><identifier>ISSN: 0256-1530</identifier><identifier>EISSN: 1861-9533</identifier><identifier>DOI: 10.1007/s00376-009-0229-3</identifier><language>eng</language><publisher>Heidelberg: SP Science Press</publisher><subject>Atmospheric Sciences ; Correlation ; Correlation coefficient ; Diagnostic systems ; Earth and Environmental Science ; Earth Sciences ; Geophysics/Geodesy ; Linkages ; Marine ; Mathematical analysis ; Meteorology ; North Atlantic oscillation ; Orthogonal functions ; Rossby波 ; Teleconnections ; Wave breaking ; Winter ; 再分析资料 ; 北大西洋涛动 ; 太平洋 ; 巴勒斯坦 ; 旋转经验正交函数 ; 遥相关型</subject><ispartof>Advances in atmospheric sciences, 2009-03, Vol.26 (2), p.229-239</ispartof><rights>Chinese National Committee for International Association of Meteorology and Atmospheric Sciences, Institute of Atmospheric Physics, Science Press and Springer-Verlag GmbH 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c373t-fd86c626e8aa49076b19fb7eb710f21494c30f0977c70cfd4a637e75379cc8d13</citedby><cites>FETCH-LOGICAL-c373t-fd86c626e8aa49076b19fb7eb710f21494c30f0977c70cfd4a637e75379cc8d13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/84334X/84334X.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00376-009-0229-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00376-009-0229-3$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,777,781,27905,27906,41469,42538,51300</link.rule.ids></links><search><creatorcontrib>宋洁 李崇银 周文 潘静</creatorcontrib><title>The Linkage between the Pacific-North American Teleconnection Pattern and the North Atlantic Oscillation</title><title>Advances in atmospheric sciences</title><addtitle>Adv. Atmos. Sci</addtitle><addtitle>Advances in Atmospheric Sciences</addtitle><description>In this study, using the ECMWF reanalysis data, the possible linkage between the Pacific-North American teleconnection pattern （PNA） and the North Atlantic Oscillation （NAO） during boreal winter （December- February） is investigated. The PNA and the NAO pattern are obtained by performing Rotated Empirical Orthogonal Function （REOF） analysis on an anomalous daily mean 300-hPa geopotential height field. The composite daily NAO indices show that the NAO indices are prone to be negative （positive） when the contemporary PNA indices are extremely positive （negative）. The correlation coefficients between the daily PNA and NAO indices also confirm that, indeed, there is a significant anti-correlation between the PNA and NAO indices. The correlation peaks at a lag of 0 days （meaning contemporary correlation）, and its value is 0.202. Analyses of a newly defined Rossby wave breaking index and diagnostics of the stream function tendency equation indicate that the anti-correlation between PNA and NAO may be caused by the anomalous Rossby wave breaking events associated with the PNA pattern.</description><subject>Atmospheric Sciences</subject><subject>Correlation</subject><subject>Correlation coefficient</subject><subject>Diagnostic systems</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Geophysics/Geodesy</subject><subject>Linkages</subject><subject>Marine</subject><subject>Mathematical analysis</subject><subject>Meteorology</subject><subject>North Atlantic oscillation</subject><subject>Orthogonal functions</subject><subject>Rossby波</subject><subject>Teleconnections</subject><subject>Wave 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| subjects | Atmospheric Sciences Correlation Correlation coefficient Diagnostic systems Earth and Environmental Science Earth Sciences Geophysics/Geodesy Linkages Marine Mathematical analysis Meteorology North Atlantic oscillation Orthogonal functions Rossby波 Teleconnections Wave breaking Winter 再分析资料 北大西洋涛动 太平洋 巴勒斯坦 旋转经验正交函数 遥相关型 |
| title | The Linkage between the Pacific-North American Teleconnection Pattern and the North Atlantic Oscillation |
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