Physics
Scientific paper
Aug 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007georl..3416606a&link_type=abstract
Geophysical Research Letters, Volume 34, Issue 16, CiteID L16606
Physics
2
Oceanography: Physical: Sediment Transport (1862), Oceanography: Physical: Nearshore Processes, Oceanography: Physical: Surface Waves And Tides (1222), Oceanography: Physical: Turbulence, Diffusion, And Mixing Processes (4490), Oceanography: Physical: Instruments And Techniques
Scientific paper
Seabed roughness due to wave ripples is a key factor in controlling sediment transport processes in the nearshore zone. Roughness is commonly considered a function of the ripple geometry, which in turn, can be predicted from sediment and hydrodynamic parameters. Existing ripple predictors consider the bed morphology to be in equilibrium with the hydrodynamics, whereas recent laboratory measurements show that the time scale for ripple development is of the order of tens of minutes to hours. Here we show that wave ripples on tidal beaches are significantly affected by relaxation time effects, with ripple height and length progressively increasing during the rising tide and remaining constant during the falling tide. Moreover, we examine the ripples in the context of existing empirical models and suggest how the temporal evolution over a tidal cycle may be predicted.
Austin Matthew J.
Masselink Gerhard
O'Hare T. J.
Russell P. E.
No associations
LandOfFree
Relaxation time effects of wave ripples on tidal beaches does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Relaxation time effects of wave ripples on tidal beaches, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Relaxation time effects of wave ripples on tidal beaches will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-974286