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  • 11
    Electronic Resource
    Electronic Resource
    Storm-built sand ridges on the Maryland inner shelf: a preliminary report (1981)
    Springer
    Geo-marine letters 1 (1981), S. 33-37 
    Details
    ISSN: 1432-1157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Several aspects of the Maryland ridge field are pertinent to the problem of ridge genesis in response to Holocene sea-level rise. There is a systematic morphologic change fromshoreface ridges throughnearshore ridges tooffshore ridges, which reflects the changing hydraulic regime. Grain size is 90° out of phase with topography, so that the coarsest sand lies between the axis of each trough and the adjacent seaward ridge crest, while the finest sand lies between each ridge crest and the axis of the adjacent seaward trough. Finally, analysis over a 43-year period on an outer ridge reveals a systematic pattern of landward flank erosion, seaward flank deposition, and seaward crest migration. These relationships support a model which explains the ridges as consequences of the up-current shift of maximum bottom shear stress with respect to the crests of initial bottom irregularities. The oblique orientation of the ridges with respect to the beach may be at least partly due to the more rapid migration rate of the ridges’ inshore ends.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02463299
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    Paper (German National Licenses)
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  • 12
    Electronic Resource
    Electronic Resource
    Grain size variation across sand ridges, New Jersey continental shelf (1981)
    Springer
    Geo-marine letters 1 (1981), S. 45-48 
    Details
    ISSN: 1432-1157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Cross-ridge grain size profiles were determined for a nearshore and an offshore sand ridge on the New Jersey shelf. On both, the coarset sands occur on the landward flank. The range and rate of change in grain size with horizontal distance are greatest on the nearshore ridge. The grain size gradient is believed to be a response of the bottom to the cross-ridge shear stress distribution during storm flows. The difference between the two ridges may be a consequence of the relict origin of the offshore ridge versus a modern origin for the nearshore ridge, or to the different flow climates of the nearshore and offshore environments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02463301
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    Paper (German National Licenses)
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  • 13
    Electronic Resource
    Electronic Resource
    On the beach (1989)
    [s.l.] : Nature Publishing Group
    Nature 338 (1989), S. 308-308 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE Wadden Sea is the intertidal zone of the German Bight of the North Sea. Varying in width from 10 to 50 km, it is an expanse of tidal channels, flats, inlets, flood and ebb deltas, barrier islands and estuaries that extends from Den Helder in the Netherlands to Blavandshuk in Denmark. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/338308a0
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    Paper (German National Licenses)
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