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  • 1980-1984  (8)
  • 1
    Call number: MOP Per 68/B(125)
    In: IFM-GEOMAR report
    Type of Medium: Monograph available for loan
    Pages: III, 108 S. : graph. Darst.
    Series Statement: Berichte aus dem Institut für Meereskunde an der Christian-Albrechts-Universität Kiel 125
    Note: Zugl.: Kiel, Univ., Diss., 1984
    Location: MOP - must be ordered
    Branch Library: GFZ Library
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Ocean dynamics 37 (1984), S. 147-155 
    ISSN: 1616-7228
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Zusammenfassung Zwei lange Nord-Süd orientierte CTD-Schnitte, die von dem FS “Meteor” im subtropischen Ostatlantik gewonnen wurden, werden benutzt, um die potentielle Vorticity und den Volumentransport zu berechnen. Die Ergebnisse werden mit der potentiellen Vorticity des westlichen Nordatlantiks und mit dem Transportfeld aus mittleren Profilen des Ostatlantiks verglichen. Die Verteilung der potentiellen Vorticity steht in guter Übereinstimmung mit Datensätzen aus dem westlichen und östlichen Nordatlantik verschiedener Jahre und zeigt deutlich den Einfluß des subtropischen Wirbels. Der Volumentransport aus den CTD-Schnitten ist vergleichbar mit den mittleren Transporten im Bereich des subtropischen Wirbels und weist Abweichungen nördlich und südlich des Wirbels auf. Die starken Strömungen des Wirbels erreichen Geschwindigkeiten von 7 cm s−1 an der Oberfläche, und Geschwindigkeiten von mehr als 1 cm s−1 reichen bis in 940 m Tiefe.
    Abstract: Résumé Deux longs profils Nord-Sud de mesures CTD effectués par le navire RV «Meteor» au cours de la campagne 60 dans la partie subtropicale de l'Océan Atlantique Oriental Nord ont permis le calcul de la vorticité potentielle et du transport de masse. Notre répartition de la vorticité potentielle est en conformité avec l'ensemble des résultats de plusieurs années de mesures dans l'Océan Atlantique Nord Occidental et Oriental et montre clairement l'influence du tourbillon subtropical. Le transport de masse évalué à partir des profils CTD correspond bien au transport moyen dans le tourbillon subtropical et montre les écarts au Nord et au Sud du tourbillon. La vitesse du courant tourbillonnaire va de 7 cm s−1 en surface à moins de 1 cm s−1 au-delà de 940 m d'immersion.
    Notes: Summary Two long north-south oriented CTD sections taken on RV “Meteor” cruise 60 in the eastern subtropical North Atlantic are used to compute potential vorticity and volume transport. Our distribution of potential vorticity is in good agreement with data sets from different years in the western and eastern North Atlantic and shows the influence of the subtropical gyre distinctly. The volume transport of the CTD sections corresponds well with mean transport in the subtropical gyre and shows deviations north and south of the gyre. The gyre current velocities range from 7 cm s−1 at the surface to less than 1 cm s−1 below 940 m depth.
    Type of Medium: Electronic Resource
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  • 3
    Publication Date: 1984-07-01
    Print ISSN: 0012-0308
    Electronic ISSN: 1616-7228
    Topics: Geosciences , Physics
    Published by Springer
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  • 4
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    Yale University
    In:  Journal of Marine Research, 42 (3). pp. 537-558.
    Publication Date: 2017-11-28
    Description: Geostrophic transports in the eastern subtropical North Atlantic computed from historic hydrographic data and recent CTD measurements show a mean transport in the subtropical gyre of 11 ± 1.5 × 106 m3 s–1 in the upper 1000 m between 35W and the African coast. The dynamic method was used in conjunction with a conservation of mass scheme (Fiadeiro and Veronis, 1982) to determine the level of no motion. This level lies in the 1200 m depth near the Azores and drops to 1500 m in the tropics. The main inflow enters south of the Azores as a relatively narrow current, turns southward at the latitude of Madeira and then widens. Three current bands transport the water southward. North of the Cape Verde Islands, the current turns westward. This part of the North Equatorial Current extends more to the south in the upper 200 m than in the 200–800 m layer. The Portugal current, between the Azores and the Portuguese coast, which is thought by some to be strong, is seen here as a relatively weak flow. Maps of potential vorticity derived from smoothed density profiles are consistent with the general pattern of geostrophic transport.
    Type: Article , PeerReviewed
    Format: text
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  • 5
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    Gauthier-Villars
    In:  Oceanologica Acta, 6 (2). pp. 167-172.
    Publication Date: 2018-03-02
    Description: Methods are tested for computing geopotential anomalies from temperature data in the subtropical Northeast Atlantic. Mean temperature-salinity, salinity-depth and density-depth relationships are determined for 3 x 3° squares, using hydrographie data from World Oceanographie Data Centre A. Geopotential anomalies computed from observed temperatures and salinities from these mean relationships are compared with anomalies from the original temperature and salinity data. For 0-500 dbar, geopotential anomalies can be weil approximated, and the methods also work reasonably weil for 0-1000 dbar. The approximation is poor for 0-2000 dbar. Appropriate methods for obtaining the best results in each 3 x 3° square are specified. The method is applied to a particular subset of the data.
    Type: Article , PeerReviewed
    Format: text
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  • 6
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    Institut für Meereskunde
    In:  (Diploma thesis), Christian-Albrechts-Universität Kiel, Kiel, Germany, 66 pp . Berichte aus dem Institut für Meereskunde an der Christian-Albrechts-Universität Kiel, 084 . DOI 10.3289/IFM_BER_84 〈http://dx.doi.org/10.3289/IFM_BER_84〉.
    Publication Date: 2016-03-18
    Type: Thesis , NonPeerReviewed
    Format: text
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  • 7
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    Institut für Meereskunde
    In:  (PhD/ Doctoral thesis), Christian-Albrechts-Universität Kiel, Kiel, Germany, 108 pp . Berichte aus dem Institut für Meereskunde an der Christian-Albrechts-Universität Kiel, 125 . DOI 10.3289/IFM_BER_125 〈http://dx.doi.org/10.3289/IFM_BER_125〉.
    Publication Date: 2013-05-22
    Type: Thesis , NonPeerReviewed
    Format: text
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  • 8
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    In:  (Diploma thesis), Christian-Albrechts-Universität zu Kiel, Kiel, Germany, 63 pp
    Publication Date: 2020-06-19
    Type: Thesis , NonPeerReviewed
    Format: text
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