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    A New Method for Tracking Meddies by Satellite Altimetry

    Source: Journal of Atmospheric and Oceanic Technology:;2013:;volume( 031 ):;issue: 006::page 1434
    Author:
    Ienna, Federico
    ,
    Jo, Young-Heon
    ,
    Yan, Xiao-Hai
    DOI: 10.1175/JTECH-D-13-00080.1
    Publisher: American Meteorological Society
    Abstract: ubsurface coherent vortices in the North Atlantic, whose saline water originates from the Mediterranean Sea and which are known as Mediterranean eddies (meddies), have been of particular interest to physical oceanographers since their discovery, especially for their salt and heat transport properties into the North Atlantic Ocean. Many studies in the past have been successful in observing and studying the typical properties of meddies by probing them with in situ techniques. The use of remote sensing techniques would offer a much cheaper and easier alternative for studying these phenomena, but only a few past studies have been able to study meddies by remote sensing, and a reliable method for observing them remotely remains elusive. This research presents a new way of locating and tracking meddies in the North Atlantic Ocean using satellite altimeter data. The method presented in this research makes use of ensemble empirical mode decomposition (EEMD) as a means to isolate the surface expressions of meddies on the ocean surface and separates them from any other surface constituents, allowing robust meddies to be consistently tracked by satellite. One such meddy is successfully tracked over a 6-month time period (2 November 2005 to 17 May 2006). Results of the satellite tracking method are verified using expendable bathythermographs (XBT).
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      A New Method for Tracking Meddies by Satellite Altimetry

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4228308
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    • Journal of Atmospheric and Oceanic Technology

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    contributor authorIenna, Federico
    contributor authorJo, Young-Heon
    contributor authorYan, Xiao-Hai
    date accessioned2017-06-09T17:25:14Z
    date available2017-06-09T17:25:14Z
    date copyright2014/06/01
    date issued2013
    identifier issn0739-0572
    identifier otherams-84919.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4228308
    description abstractubsurface coherent vortices in the North Atlantic, whose saline water originates from the Mediterranean Sea and which are known as Mediterranean eddies (meddies), have been of particular interest to physical oceanographers since their discovery, especially for their salt and heat transport properties into the North Atlantic Ocean. Many studies in the past have been successful in observing and studying the typical properties of meddies by probing them with in situ techniques. The use of remote sensing techniques would offer a much cheaper and easier alternative for studying these phenomena, but only a few past studies have been able to study meddies by remote sensing, and a reliable method for observing them remotely remains elusive. This research presents a new way of locating and tracking meddies in the North Atlantic Ocean using satellite altimeter data. The method presented in this research makes use of ensemble empirical mode decomposition (EEMD) as a means to isolate the surface expressions of meddies on the ocean surface and separates them from any other surface constituents, allowing robust meddies to be consistently tracked by satellite. One such meddy is successfully tracked over a 6-month time period (2 November 2005 to 17 May 2006). Results of the satellite tracking method are verified using expendable bathythermographs (XBT).
    publisherAmerican Meteorological Society
    titleA New Method for Tracking Meddies by Satellite Altimetry
    typeJournal Paper
    journal volume31
    journal issue6
    journal titleJournal of Atmospheric and Oceanic Technology
    identifier doi10.1175/JTECH-D-13-00080.1
    journal fristpage1434
    journal lastpage1445
    treeJournal of Atmospheric and Oceanic Technology:;2013:;volume( 031 ):;issue: 006
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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