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    Solar Cycle Signals in the Pacific and the Issue of Timings

    Source: Journal of the Atmospheric Sciences:;2012:;Volume( 069 ):;issue: 004::page 1446
    Author:
    Roy, Indrani
    ,
    Haigh, Joanna D.
    DOI: 10.1175/JAS-D-11-0277.1
    Publisher: American Meteorological Society
    Abstract: he solar cycle signal in sea level pressure during 1856?2007 is analyzed. Using composites of data from January?February in solar cycle peak years the strong positive signal in the region of the Aleutian low, found by previous authors, is confirmed. It is found, however, that signals in other regions of the globe, particularly in the South Pacific, are very sensitive to the choice of reference climatology. Also investigated is the relationship between solar activity and sea surface temperatures in the tropical eastern Pacific. A marked overall association of higher solar activity with colder temperatures in the tropical Pacific that is not restricted to years of peak sunspot number is noted. The ENSO-like variation following peak years that has been suggested by other authors is not found as a consistent signal. Both the SLP and SST signals vary coherently with the solar cycle and neither evolves on an ENSO-like time scale. The solar signals are weaker during the period spanning approximately 1956?97, which may be due to masking by a stronger innate ENSO variability at that time.
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      Solar Cycle Signals in the Pacific and the Issue of Timings

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4218816
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    contributor authorRoy, Indrani
    contributor authorHaigh, Joanna D.
    date accessioned2017-06-09T16:54:39Z
    date available2017-06-09T16:54:39Z
    date copyright2012/04/01
    date issued2012
    identifier issn0022-4928
    identifier otherams-76376.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4218816
    description abstracthe solar cycle signal in sea level pressure during 1856?2007 is analyzed. Using composites of data from January?February in solar cycle peak years the strong positive signal in the region of the Aleutian low, found by previous authors, is confirmed. It is found, however, that signals in other regions of the globe, particularly in the South Pacific, are very sensitive to the choice of reference climatology. Also investigated is the relationship between solar activity and sea surface temperatures in the tropical eastern Pacific. A marked overall association of higher solar activity with colder temperatures in the tropical Pacific that is not restricted to years of peak sunspot number is noted. The ENSO-like variation following peak years that has been suggested by other authors is not found as a consistent signal. Both the SLP and SST signals vary coherently with the solar cycle and neither evolves on an ENSO-like time scale. The solar signals are weaker during the period spanning approximately 1956?97, which may be due to masking by a stronger innate ENSO variability at that time.
    publisherAmerican Meteorological Society
    titleSolar Cycle Signals in the Pacific and the Issue of Timings
    typeJournal Paper
    journal volume69
    journal issue4
    journal titleJournal of the Atmospheric Sciences
    identifier doi10.1175/JAS-D-11-0277.1
    journal fristpage1446
    journal lastpage1451
    treeJournal of the Atmospheric Sciences:;2012:;Volume( 069 ):;issue: 004
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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