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  • 1
    Online Resource
    Online Resource
    ESTOC/CANIGO cruises with FS Poseidon : cruise 202/1, 212, 233, 237/3 (1998)
    Kiel : Inst. für Meereskunde
    Details Availability
    Keywords: Report ; Kanarenbecken ; Expedition ; Poseidon ; Geschichte 1994-1998
    Type of Medium: Online Resource
    Pages: Online-Ressource (81 Seiten, 8 MB) , Illustrationen, Diagramme, Karten
    Series Statement: Berichte aus dem Institut für Meereskunde an der Christian-Albrechts-Universität Kiel 302
    URL: https://oceanrep.geomar.de/4723/
    URL: http://dx.doi.org/10.3289/IFM_BER_302
    DOI: 10.3289/IFM_BER_302
    Language: English
    Note: Zusammenfassung in deutscher und englischer Sprache
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  • 2
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    MKIIIB-CTD: improving its system output (1995)
    Elsevier
    In:  Deep Sea Research Part I: Oceanographic Research Papers, 42 (11-12). pp. 2113-2126.
    Details
    Publication Date: 2017-07-10
    Description: In the Neil Brown Instruments' MKIIIB-CTD (conductivity-temperature-depth profiler), the system's digital outputs for the three basic measurements of temperature, conductivity and pressure typically show some small amplitude deviations from smooth calibrations which should be corrected for to achieve high accuracies, as required, e.g. within the Hydrographic Program (WHP) of the current World Ocean Circulation Experiment (WOCE). These deviations show up as (i) a strong nonlinearity or even discontinuity of several mK close to 0°C in temperature output leading to too high subzero temperatures; (ii) a jump of order 0.002 mS cm−1 in conductivity output when passing the half-range value 32.768 mS cm−1, which causes jumps in the relation of potential temperature and salinity; and (iii) errors in pressure measurements of up to 4 dbar due to mechanical hysteresis and both static and dynamic responses to temperature changes. The existence of these effects is demonstrated, and methods to reduce the associated errors are suggested.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1016/0967-0637(95)00078-X
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 3
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    Observation of regeneration of nitrate, phosphate and silicate during upwelling off Ubatuba, Brazil, 23°S (1998)
    Elsevier
    In:  Continental Shelf Research, 18 . pp. 915-922.
    Details
    Publication Date: 2016-09-21
    Description: Off the Brazilian coast near Ubatuba, an upwelling event of South Atlantic Central Water (SACW) has been observed that transfer nutrient-rich water from 300 to 400 m depth onto the continental shelf to depths less than 35 m. Earlier work showed that SACW is present on the shelf quite frequently; however, nutrient data as natural tracers of water masses, are largely undocumented so far. During the upwelling process the water advanced over the shelf increasing its nutrients concentrations and depleting its content of dissolved oxygen due to the regeneration process. The ratios of regeneration relative to their open ocean origin amount to 4.6 mu M for nitrate, 0.43 mu M for phosphate and 5.7 mu M for silicate on average, while the dissolved oxygen depletes by 114.9 mu M,
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1016/S0278-4343(98)00002-8
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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