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Efficiency of the log-hyperbolic distribution, a case study: pattern of sediment sorting in a small tidal inlet, Het Zwin, the Netherlands
Hartmann, D.; Bowman, D. (1993). Efficiency of the log-hyperbolic distribution, a case study: pattern of sediment sorting in a small tidal inlet, Het Zwin, the Netherlands. J. Coast. Res. 9(4): 1044-1053
In: Journal of Coastal Research. Coastal Education and Research Foundation: Fort Lauderdale. ISSN 0749-0208, more
Peer reviewed article  

Available in Authors 

Keywords
    Grain size analysis; Sediment distribution; Sedimentation; ANE, Netherlands, Zwin [Marine Regions]; Marine; Brackish water
Author keywords
    Grain size analysis, log-hyperbolic distribution, hyperbolic shape triangle, erosion-deposition model, population concept, tidal-inlet

Authors  Top 
  • Hartmann, D.
  • Bowman, D.

Abstract
    Sediment sorting dispersal pattern in The Zwin tidal-inlet, The Netherlands, was studied using grain size data. The descriptive power of the log-hyperbolic distribution model, the hyperbolic shape triangle, current meters recordings and bedform analysis were applied. The process-oriented discriminating approach suggests four distinct log-hyperbolic grain size curves, related to four morphodynamic sub-environments along The Zwin Inlet. The log-hyperbolic shape indicates, in response to the governing dynamics, a gradual change from erosive, at the inlet front, to a depositional sedimentary facies inland. Applying the population concept, the Zwin supersample, the combined total sampled grain size population, falls into the right wing of the hyperbolic shape triangle, indicating a winnowed-erosional facies (rho = 0.44) which is the main sedimentary fingerprint of The Zwin Inlet. It indicates winnowing-out of the suspended fraction, supposedly complementary to a similar sedimentary heritage from the longshore drifted sediments.

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