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  • 2010-2014  (1)
  • 1990-1994  (3)
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  • 1
    Book
    Book
    Über die Eigenschaften der oberflächennahen Zirkulation im zentralen Nordatlantik : Analyse eines Driftbojendatensatzes (1993)
    Details Availability
    Keywords: Dissertation ; Report ; Hochschulschrift
    Type of Medium: Book
    Pages: 131 S , Ill., graph. Darst., Kt
    Series Statement: Berichte aus dem Institut für Meereskunde an der Christian-Albrechts-Universität Kiel 244
    Language: German
    Note: Kiel, Univ., Diss. : 1993
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  • 2
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    Über die Eigenschaften der oberflächennahen Zirkulation im zentralen Nordatlantik : Analyse eines Driftbojendatensatzes (1993)
    In:  (PhD/ Doctoral thesis), Christian-Albrechts-Universität Kiel, Kiel, Germany, 131 pp . Berichte aus dem Institut für Meereskunde an der Christian-Albrechts-Universität Kiel, 244 . DOI 10.3289/ifm_ber_244 〈http://dx.doi.org/10.3289/ifm_ber_244〉.
    Details
    Publication Date: 2014-10-14
    Type: Thesis , NonPeerReviewed
    Format: text
    DOI: 10.3289/ifm_ber_244
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    OceanRep: Thesis - not published by a publisher
  • 3
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    On the generation and role of eddy variability in the central North Atlantic Ocean: Results from surface drifters satellite altimetry and numerical modelling (1994)
    AGU (American Geophysical Union)
    In:  Journal of Geophysical Research: Oceans, 99 (C10). pp. 20381-20391.
    Details
    Publication Date: 2019-09-23
    Description: Sources of near-surface oceanic variability in the central North Atlantic are identified from a combined analysis of climatology, surface drifter, and Geosat altimeter data as well as eddy-resolving math formula and math formula Community Modeling Effort North Atlantic model results. Both observational and numerical methods give a consistent picture of the concentration of mesoscale variability along the mean zonal flow bands. Three areas of high eddy energy can be found in all observational data sets: the North Equatorial Current, the North Atlantic Current, and the Azores Current. With increasing horizontal resolution the numerical models give a more realistic representation of the variability in the first two regimes, while no improvement is found with respect to the Azores Current Frontal Zone. Examination of the upper ocean hydrographic structure indicates baroclinic instability to be the main mechanism of eddy generation and suggests that the model deficiencies in the Azores Current area are related to deficiencies in the mean hydrographic fields. A linear instability analysis of the numerical model output reveals that instability based on the velocity shear between the mixed layer and the interior is also important for the generation of the mid-ocean variability, indicating a potential role of the mixed layer representation for the model. The math formula model successfully simulates the northward decrease of eddy length scales observed in the altimeter data, which follow a linear relationship with the first baroclinic Rossby radius. An analysis of the eddy-mean flow interaction terms and the energy budget indicates a release of mean potential energy by downgradient fluxes of heat in the main frontal zones. At the same time the North Atlantic Current is found to be supported by convergent eddy fluxes of zonal momentum.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1029/94JC01654
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 4
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    Marine GMES Products for German Users (2012)
    In:  EPIC3MyOcean Science Days Workshop, Geesthacht (Germany), 2012-11-19-2012-11-21
    Details
    Publication Date: 2019-07-17
    Description: The joint-research project DeMarine-2 aims at supporting and developing marine GMES services in Germany. Particularly, the project will come up with user-friendly products in a pre-operational status. Joint efforts are undertaken to describe and predict the physical and ecological state of the German coastal waters, to analyze and predict sea swell at a very high resolution, to monitor the Wadden Sea World Heritage, and to deliver tactic information about the sea-ice state based on remote-sensing data. Moreover, a user office is run that serves as a central information and supporting unit. DeMarine-2 uses GMES-core services provided by the project MyOcean2. These investigations, developments, and support will enable DeMarine-2 to finally deliver products, which are specific to the end-user needs.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Conference , notRev
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    PAPER (OA)
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