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  • 1
    Electronic Resource
    Electronic Resource
    Not so quiet on the ocean front (1990)
    [s.l.] : Nature Publishing Group
    Nature 348 (1990), S. 199-200 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] OCEAN fronts are regions of strong horizontal gradients in water properties. In the open ocean they are, in effect, rather narrow boundary regions between bodies of water characterized by different temperature or salinity, or some other differing property. Since the 1960s we have known1 that ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/348199a0
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    Paper (German National Licenses)
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  • 2
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    Eddies and an extreme water mass anomaly observed in the eastern south Pacific at the Stratus mooring (2014)
    AGU (American Geophysical Union) | Wiley
    In:  Journal of Geophysical Research: Oceans, 119 (2). pp. 1068-1083.
    Details
    Publication Date: 2019-09-23
    Description: In the tropical eastern South Pacific the Stratus Ocean Reference Station (ORS) (∼20°S, 85.5°W) is located in the transition zone between the oxygen minimum zone (OMZ) and the well-oxygenated subtropical gyre. In February/March 2012, extremely anomalous water mass properties were observed in the thermocline at the Stratus ORS. The available eddy oxygen anomaly was −10.5 × 1016 µmol. This anomalous water was contained in an anticyclonic mode-water eddy crossing the mooring site. This eddy was absorbed at that time by an anticyclonic feature located south of the Stratus mooring. This was the largest water property anomaly observed at the mooring during the 13.5 month deployment period. The sea surface height anomaly (SSHA) of the strong mode-water eddy in February/March 2012 was weak, and while the lowest and highest SSHA were related to weak eddies, SSHA is found not to be sufficient to specify the eddy strength for subsurface-intensified eddies. Still, the anticyclonic eddy, and its related water mass characteristics, could be tracked backward in time in SSHA satellite data to a formation region in April 2011 off the Chilean coast. The resulting mean westward propagation velocity was 5.5 cm s−1. This extremely long-lived eddy carried the water characteristics from the near-coastal Chilean water to the open ocean. The water mass stayed isolated during the 11 month travel time due to high rotational speed of about 20 cm s−1 leading to almost zero oxygen in the subsurface layer of the anticyclonic mode-water eddy with indications of high primary production just below the mixed layer.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1002/2013JC009470
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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