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  • 1
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    The influence of sea ice, wind speed and marine mammals on Southern Ocean ambient sound (2017)
    The Royal Society
    Details
    Publication Date: 2017-01-01
    Description: This paper describes the natural variability of ambient sound in the Southern Ocean, an acoustically pristine marine mammal habitat. Over a 3-year period, two autonomous recorders were moored along the Greenwich meridian to collect underwater passive acoustic data. Ambient sound levels were strongly affected by the annual variation of the sea-ice cover, which decouples local wind speed and sound levels during austral winter. With increasing sea-ice concentration, area and thickness, sound levels decreased while the contribution of distant sources increased. Marine mammal sounds formed a substantial part of the overall acoustic environment, comprising calls produced by Antarctic blue whales ( Balaenoptera musculus intermedia ), fin whales ( Balaenoptera physalus ), Antarctic minke whales ( Balaenoptera bonaerensis ) and leopard seals ( Hydrurga leptonyx ). The combined sound energy of a group or population vocalizing during extended periods contributed species-specific peaks to the ambient sound spectra. The temporal and spatial variation in the contribution of marine mammals to ambient sound suggests annual patterns in migration and behaviour. The Antarctic blue and fin whale contributions were loudest in austral autumn, whereas the Antarctic minke whale contribution was loudest during austral winter and repeatedly showed a diel pattern that coincided with the diel vertical migration of zooplankton.
    Electronic ISSN: 2054-5703
    Topics: Natural Sciences in General
    Published by The Royal Society
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    PAPER CURRENT
  • 2
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    Long range correlation of force fluctuation in an endothelial cell layer (2006)
    ELSEVIER SCI LTD
    In:  EPIC3World Congress of Biomechanics, Munich, Germany, 2006-2006Abstracts of the 5th World Congress of Biomechanics, Journal of Biomechanics, ELSEVIER SCI LTD, 39(1), pp. S234, ISSN: 0021-9290
    Details
    Publication Date: 2014-04-15
    Repository Name: EPIC Alfred Wegener Institut
    Type: Inbook , peerRev
    Format: application/pdf
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    PAPER (OA)
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