SMS:Lund Cirp and Watanabe Formula: Difference between revisions

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The Lund Cirp and Watanabe formula can be found on page 16 of the Two-Dimensional Depth-Averaged Circulation Model CMS-M2D: Version 3.0, Report 2, Sediment Transport and Morphology Change TR[1].

Transport Slope Coefficient

The Transport Slope Coefficient can be found on page 32 of the Two-Dimensional Depth-Averaged Circulation Model CMS-M2D: Version 3.0, Report 2, Sediment Transport and Morphology Change TR[2]. Ds = empirical slope coefficient with typical range of 5 to 30.


The Transport Slope Coefficient can vary site by site and even within a single site domain in that some areas have constraints with naturally occurring steep bed slopes (e.g., channels) and other areas have gentle slopes (e.g. beach profiles, or tidal flats). It is a diffusion coefficent for increasing downhill transport or decreasing uphill transport (if D is >1) This is a good parameter to use as a morphology change calibration factor (along with the scalesus and scalebed coefficients). One thing to note is that what may calibrate well for one area will not calibrate well for another so an average value may be necessary.


Additional Information

Karambas, T.V. 2003. "Nonlinear wave modeling and sediment transport in the
surf and swash zone," Advances in Coastal Modeling, V.C. Lakhan (ed.),
Elsevier Oceanography Series, 67, Amsterdam, The Netherlands, 267-298


Larson, M., Hanson, H., and Kraus, N.C. 2003. "Numerical modeling of beach
topography change," Advances in Coastal Modeling, V.C. Lakhan (ed.),
Elsevier
Oceanography Series, 67, Amsterdam, The Netherlands, 337-365


Chapter 4 of

Horikawa, K. 1988. (ed.) "Nearshore dynamics and coastal processes. Theory,
measurement, and predictive models," University of Tokyo Press, Tokyo,
Japan

Related Topics

References

  1. ^ Aug. 2006 - Two-Dimensional Depth-Averaged Circulation Model CMS-M2D: Version 3.0, Report 2, Sediment Transport and Morphology Change TR [1]
  2. ^ Aug. 2006 - Two-Dimensional Depth-Averaged Circulation Model CMS-M2D: Version 3.0, Report 2, Sediment Transport and Morphology Change TR [2]


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