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  • Earth System Science Data  (1)
  • Springer  (1)
  • 2015-2019  (1)
  • 1975-1979  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Ocean dynamics 31 (1978), S. 50-64 
    ISSN: 1616-7228
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Zusammenfassung Die beobachtete Verteilung und Ausbreitung von salzarmen Wasser arktischen und subarktischen Ursprungs wird für das Gebiet des zentralen Island-Färöer-Rückens und der Färöer beschrieben. Nach Absinken entlang der Polarfront nordwestlich der Färöer breitet sich das salzarme Wasser als Zwischenwasser entlang dem Abfall des nördlichen Färöer-Sockels nach Südosten aus und füllt die mittleren Tiefen des Färöer-Shetland-Kanals. Da nur ein Bruchteil dieses Wassers aus dem Färöer-Bank-Kanal in den Nordostatlantik gelangt, stützen die Daten die Annahme einer Rezirkulation im Färöer-Shetland-Kanal. Die Verteilung des salzarmen Zwischenwassers zeigt weiterhin, daß der zentrale Island-Färöer-Rücken nicht direkt überströmt wird, sondern daß Mischungsprozesse in der Kammregion und Advektion des Wassers aus dem Färöer-Bank-Kanal die hydrographische Struktur der südwestlichen Flanke bestimmen.
    Abstract: Résumé La distribution et la propagation de l'eau peu salée d'origine arctique et subarctique est décrite au moyen des données provenantes de la région centrale du seuil de Islande-Féroé et des îles Féroé. Après de plonger le long du front polaire au nordouest de Féroé, l'eau peu salée se propage comme l'eau intermédiaire vers le sud-est au délà de la pente nord du socle de Féroé et remplit les profondeurs moyens du canal de Féroé-Shetland. Comme seulement une partie de ces eaux du canal du Banc de Féroé arrive à l'Atlantique, les données appuient l'hypothèse d'une recirculation dans le canal de Féroé-Shetland. Les données montrent en plus, que le seuil de Islande-Féroé n'est pas traversé directement. La structure hydrographique du flanc sud-ouest du seuil de Islande-Féroé est déterminée par des processus de mélange dans la région de la crête et par la convection horizontale de l'eau du canal de Banc de Féroé.
    Notes: Summary The observed distribution and the spreading of low salinity waters of arctic and subarctic origin is discussed for the central Iceland-Faroe ridge and for the area around the Faroe Islands. After sinking along the polar front northwest of the Faroes the low salinity water spreads over the northern Faroe slope and into the Faroe-Shetland channel at intermediate levels. The amount of intermediate water leaving the Faroe-Bank channel into the northeastern Atlantic is small compared to its availability in the Faroe-Shetland channel, hence supporting the hypothesis of a re-circulation for the area east of the Faroes. The observations of intermediate water furthermore show no direct flow across the central Iceland-Faroe ridge but they reveal that mixing processes over the sill and advection of waters from the Faroe-Bank channel outflow determine the hydrographic structure of the southwestern flank of the Iceland-Faroe ridge.
    Type of Medium: Electronic Resource
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  • 2
    Publication Date: 2018-08-10
    Description: Measuring temperature and salinity profiles in the world's oceans is crucial to understanding ocean dynamics and its influence on the heat budget, the water cycle, the marine environment and on our climate. Since 1983 the German research vessel and icebreaker Polarstern has been the platform of numerous CTD (conductivity, temperature, depth instrument) deployments in the Arctic and the Antarctic. We report on a unique data collection spanning 33 years of polar CTD data. In total 131 data sets (1 data set per cruise leg) containing data from 10 063 CTD casts are now freely available at doi:10.1594/PANGAEA.860066. During this long period five CTD types with different characteristics and accuracies have been used. Therefore the instruments and processing procedures (sensor calibration, data validation, etc.) are described in detail. This compilation is special not only with regard to the quantity but also the quality of the data – the latter indicated for each data set using defined quality codes. The complete data collection includes a number of repeated sections for which the quality code can be used to investigate and evaluate long-term changes. Beginning with 2010, the salinity measurements presented here are of the highest quality possible in this field owing to the introduction of the OPTIMARE Precision Salinometer.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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