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  • Kiel : Inst. für Meereskunde  (2)
  • Elsevier  (1)
  • Institut für Meereskunde  (1)
Document type
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Years
  • 1
    Book
    Book
    GATE : CTD data measured on the F.R.G. ships ; shipboard operations, calibration, editing ; technical report (1976)
    Kiel : Inst. für Meereskunde
    Details Availability
    Description / Table of Contents: The primary aim of this report is to inform the interested GATE scientist about the complete procedures of gaining, calibrating and editing the CTD data from the three FRG research vessels involved in GATE. It is thought to be an integral part of the data sets, and will form part of the documentation sent with the data to the data centers. This report was written according to the recommendations given by the US GATE/C-Scale Workshop at Miami, Fl, 19760202 - 19760206. The user of the data should note that in several respects both the instruments and the ship-board procedures were non-standard. This situation led to special routines for editing the data. Attention should also be given to the comments on the data quality. However, the process of data validation is not finished. An investigation about the interconsistency of the C-scale CTD data is presently underway. (MOD)
    Type of Medium: Book
    Pages: 16, [12] Bl , 15 graph. Darst , 30 cm
    Series Statement: Berichte aus dem Institut für Meereskunde an der Christian-Albrechts-Universität Kiel 22
    Language: English
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  • 2
    Online Resource
    Online Resource
    GATE : CTD data measured on the F.R.G. ships shipboard operations - calibration - editing : technical report (2017)
    Kiel : Inst. für Meereskunde
    Details Availability
    Type of Medium: Online Resource
    Pages: Online-Ressource , Diagramme
    Series Statement: Berichte aus dem Institut für Meereskunde an der Christian-Albrechts-Universität Kiel 22
    URL: https://oceanrep.geomar.de/13685/
    URL: http://dx.doi.org/10.3289/IFM_BER_22
    DOI: 10.3289/IFM_BER_22
    Language: English
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  • 3
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    Tracking the Mediterranean outflow in the Gulf of Cadiz (2017)
    Elsevier
    In:  Progress in Oceanography, 157 . pp. 47-71.
    Details
    Publication Date: 2020-02-06
    Description: Highlights • We track the preferential pathways of the Mediterranean Outflow Water (MOW). • A topographic analysis method is used to identify the MOW hydrological avenues. • Contour avenues and cross-slope channels have complementary roles steering the MOW. • The MOW is a density-driven current steered by both bottom topography and the Coriolis force. Abstract The Mediterranean Water leaves the western end of the Strait of Gibraltar as a bottom wedge of salty and warm waters flowing down the continental slope. The salinity of the onset Mediterranean Outflow Water (MOW) is so high that leads to water much denser (initially in excess of 1.5 kg m−3) than the overlying central waters. During much of its initial descent, the MOW retains large salinity anomalies – causing density anomalies that induce its gravity current character – and relatively high westward speeds – causing a substantial Coriolis force over long portions of its course. We use hydrographic data from six cruises (a total of 1176 stations) plus velocity data from two cruises, together with high-resolution bathymetric data, to track the preferential MOW pathways from the Strait of Gibraltar into the western Gulf of Cadiz and to examine the relation of these pathways to the bottom topography. A methodology for tributary systems in drainage basins, modified to account for the Coriolis force, emphasizes the good agreement between the observed trajectories and those expected from a topographically-constrained flow. Both contour avenues and cross-slope channels are important and have complementary roles steering the MOW along the upper and middle continental slope before discharging as a neutrally buoyant flow into the western Gulf of Cadiz. Our results show that the interaction between bottom flow and topography sets the path and final equilibrium depths of the modern MOW. Furthermore, they support the hypothesis that, as a result of the high erosive power of the bottom flow and changes in bottom-water speed, the MOW pathways and mixing rates have changed in the geological past.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1016/j.pocean.2017.05.015
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 4
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    Zur Kinematik eines stochastischen Feldes interner Wellen in einer Scherströmung (1981)
    Institut für Meereskunde
    In:  (PhD/ Doctoral thesis), Christian-Albrechts-Universität Kiel, Kiel, Germany, 117 pp . Berichte aus dem Institut für Meereskunde an der Christian-Albrechts-Universität Kiel, 082 . DOI 10.3289/ifm_ber_82 〈http://dx.doi.org/10.3289/ifm_ber_82〉.
    Details
    Publication Date: 2019-03-20
    Description: OceanRep OceanRep Home Contact Quick Search Simple Search Advanced Search Browse Author Research division Document type Year Course of Study Latest Peer-reviewed Articles All About us GEOMAR Library Open Access Policies Statements Help FAQs Statistics Directions | Contact | Sitemap | Imprint Zur Kinematik eines stochastischen Feldes interner Wellen in einer Scherströmung. Logged in as Barbara Schmidt Manage depositsManage recordsManage shelvesProfileSaved searchesReviewAdminLogout - Tools Peters, Hartmut (1981) Zur Kinematik eines stochastischen Feldes interner Wellen in einer Scherströmung. (Doctoral thesis/PhD), Christian-Albrechts-Universität Kiel, Kiel, Germany, 118 pp. [img] Text Diss. 1981 Peters, H.pdf - Published Version Restricted to Registered users only Download (7Mb) Abstract Für die im Atlantik im Bereich des Äquatorialen Gegenstroms während GATE beobachtete mittlere Schichtung und Scherströmung werden vertikale Eigenschwingungen (Moden) und Dispersionskurven hochfrequenter (0.3 bis 15 cph) interner Wellen berechnet. Ein spektrales Modell der Kinematik freier, linearer interner Wellen wird durch die stochastische Überlagerung so gewonnener Moden erzeugt. Modellrechnungen werden zu Vergleichs- und Testzwecken für einfache Grundzustände (N 2 = const.; u = const.) durchgeführt. Die den Verhältnissen während GATE entsprechenden Rechnungen ergeben folgende Resultate: In den Energiespektren wird eine Schulter bei Frequenzen zwischen 1.5 und 4 cph beobachtet, die einen nicht unbeträchtlichen Teil der Gesamtenergie des Wellenfeldes repräsentiert. Diese Schulter kann im wesentlichen nicht durch kinematische Effekte erklärt werden, sie muß dynamische Ursachen haben. Im Frequenzbereich 1.5 bis 4 cph wird das Wellenfeld praktisch ausschließlich von der ersten Mode beherrscht. Nach den Beobachtungen sind die Wellen überwiegend gegen die mittlere Strömung gerichtet. Zur Erklärung dessen müssen sowohl dynamische als auch kinematische Effekte herangezogen werden. Das beobachtete Maximum der Kohärenz zwischen Strömung in der Deckschicht und Temperatur in der Sprungschicht zwischen 1. 5 und 4 cph ist prinzipiell der Kinematik des Systems zuzuschreiben. Die Skalen des Wellenzahlspektrums, die sich aus der Anpassung des Modells an die Daten ergeben, sind derart, daß nur ein Teil der Anisotropie des Systems von Moden und Dispersionskurven wirksam wird. Die Vertikalstruktur der beobachteten Strömungsfluktuationen kann mit dem Modell nicht vollständig beschrieben werden. Das Modell wird kritisch diskutiert.
    Type: Thesis , NonPeerReviewed
    Format: text
    DOI: 10.3289/ifm_ber_82
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    OceanRep: Thesis - not published by a publisher
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