Surficial grain-size statistical parameters of a North Sea shoreface-connected ridge: Patterns and process implication |
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| Authors: | E E Antia |
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| Institution: | (1) Institute of Oceanography, University of Calabar, Calabar, Nigeria;(2) Present address: Marine Geology Program, Geosciences Institute, University of Bremen, Bremen, Germany |
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| Abstract: | No study on shoreface-connected ridges to date offers insight on surficial grain-size patterns in longitudinal and cross-shore sense. Results from the southern North Sea indicate the cross-ridge mean size variation to be temporally the most consistent. Seaward flank sediments are the finest and best sorted, whereas the converse is revealed in the troughs and on the landward flanks. Longitudinally, ridge crest and trough sediments showed a marked distally (northwesterly) fining pattern, thus suggesting that the major storm and net tidal current flows in the study area, which are easterly to southeasterly directed, are inconsequential to ridge genesis. |
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