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  • Institut für Meereskunde  (13)
  • AGU (American Geophysical Union)  (3)
  • Deutsche Forschungsgemeinschaft
  • 1995-1999  (4)
  • 1960-1964  (12)
  • 1
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    Institut für Meereskunde
    In:  Kieler Meeresforschungen, 20 (2). pp. 130-135.
    Publication Date: 2018-07-24
    Type: Article , PeerReviewed
    Format: text
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  • 2
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    Institut für Meereskunde
    In:  Kieler Meeresforschungen, 17 . pp. 148-153.
    Publication Date: 2017-01-23
    Type: Article , PeerReviewed
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  • 3
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    Institut für Meereskunde
    In:  Kieler Meeresforschungen, 18 (1). pp. 34-35.
    Publication Date: 2017-01-23
    Type: Article , PeerReviewed
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  • 4
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    Institut für Meereskunde
    In:  Kieler Meeresforschungen, 20 (2). pp. 124-129.
    Publication Date: 2017-01-23
    Type: Article , PeerReviewed
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  • 5
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    Institut für Meereskunde
    In:  Kieler Meeresforschungen, 18 (1). pp. 29-33.
    Publication Date: 2017-01-23
    Type: Article , PeerReviewed
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  • 6
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    Institut für Meereskunde
    In:  Kieler Meeresforschungen, 19 (1). pp. 3-7.
    Publication Date: 2017-12-19
    Description: Der Strommesser registriert selbsttätig photographisch Stromrichtung und Stromgeschwindigkeit im Meere, und zwar bis zu einer Meßdauer von vier Wochen in Abständen von fünf Minuten. Er besitzt Eigenauftrieb und ist deshalb einfach zu verankern. Er kann bis Meßtiefen von 50 m ausgelegt werden. Dieser neue Strommesser nutzt die Vorzüge des Schaufelradstrommessers von H. Rauschelbach, der sich seit 25 Jahrerr in vielen hundert Auslegungen bewährt hat. Er vermeidet einen wesentlichen Nachteil dieses Gerätes, der besonders in gezeitenstromarmen Meeren wie der Ostsee ins Gewicht fällt, nämlich die hohe Anlaufgeschwindigkeit. Das neue Gerät ist ein Propellerstrommesser, der bei nur 2,5 cm/sec Stromgeschwindigkeit anspringt. Selbst in Bodennähe randlicher Meeresbuchten wie der Eckernförder Bucht konnten brauchbare Strommessungen über längere Zeiträume erzielt werden.
    Type: Article , PeerReviewed
    Format: text
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  • 7
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    AGU (American Geophysical Union)
    In:  Journal of Geophysical Research: Oceans, 103 (C10). 21,469-21,479.
    Publication Date: 2018-04-30
    Description: Mechanical energy terms are calculated from moored current meter data in the Cape Verde Frontal Zone (about 20°N, 25°W) and compared with those derived from a mesoscale model of this frontal region. The model is of the Bleck and Boudra [1981] type with isopycnal coordinates. An initially zonal jet, representing the Canary Current, is allowed to develop under the influence of baroclinic and barotropic instability processes. We find reasonable agreement in magnitudes, somewhat smaller in the model, and similar distributions in the vertical. This leads to the conclusion that the energy transfer terms from the model can be expected to be sufficiently close to reality. Determination of the transfer terms confirms that the energy transfer in the zone is dominated by baroclinic instability processes while barotropic instability is of minor importance. Average baroclinic instability energy transfer terms reach values of 2–3 μW m−3 in the pycnocline. Peak layer mean values are of the order 10 μW m−3. It is shown that the spatial distribution of active transfer regions is closely related to the structure of the transient eddy field in the frontal zone and that strong instability processes are restricted to the pycnocline.
    Type: Article , PeerReviewed
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  • 8
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    AGU (American Geophysical Union)
    In:  Journal of Geophysical Research: Oceans, 103 (C3). pp. 5419-5428.
    Publication Date: 2018-04-30
    Description: Recent hydrographic sections and high-quality historical data sets are used to determine geostrophic currents at subtropical latitudes in the western basin of the South Atlantic. Levels of no motion are determined from water mass information and a mass balance constraint to obtain the transport field of North Atlantic Deep Water (NADW) in this region. The incoming NADW transport of about 20 Sv from the north at 19 degrees S appears to be balanced by only one third of this transport leaving in the south and two thirds leaving to the east or northeast at the Mid-Atlantic Ridge. A simple model is proposed to determine the cause of the NADW branching. It is shown that potential vorticity preservation in the presence of topographic changes leads to a similar flow pattern as observed, with branching near the Vitoria-Trindade-Ridge and also an eastward turning of the southward western boundary current at about 28 degrees S, the latitude where a balance of planetary vorticity change and stretching can be expected.
    Type: Article , PeerReviewed
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  • 9
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    Institut für Meereskunde
    In:  Berichte aus dem Institut für Meereskunde an der Christian-Albrechts-Universität Kiel, 101C . Institut für Meereskunde, Kiel, Germany, 18 pp.
    Publication Date: 2013-03-14
    Type: Report , NonPeerReviewed
    Format: text
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  • 10
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    Institut für Meereskunde
    Publication Date: 2022-02-10
    Description: Der Strommesser registriert selbsttätig photographisch Stromrichtung und Stromgeschwindigkeit im Meere, und zwar bis zu einer Meßdauer von vier Wochen in Abständen von fünf Minuten. Er besitzt Eigenauftrieb und ist deshalb einfach zu verankern. Er kann bis Meßtiefen von 50 m ausgelegt werden. Dieser neue Strommesser nutzt die Vorzüge des Schaufelradstrommessers von H. Rauschelbach, der sich seit 25 Jahrerr in vielen hundert Auslegungen bewährt hat. Er vermeidet einen wesentlichen Nachteil dieses Gerätes, der besonders in gezeitenstromarmen Meeren wie der Ostsee ins Gewicht fällt, nämlich die hohe Anlaufgeschwindigkeit. Das neue Gerät ist ein Propellerstrommesser, der bei nur 2,5 cm/sec Stromgeschwindigkeit anspringt. Selbst in Bodennähe randlicher Meeresbuchten wie der Eckernförder Bucht konnten brauchbare Strommessungen über längere Zeiträume erzielt werden.
    Type: Article , NonPeerReviewed
    Format: text
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