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(newest | oldest) View (newer 20 | older 20) (20 | 50 | 100 | 250 | 500)- 11:56, 21 April 2018 Dronkers J (talk | contribs) uploaded File:ConveyorBelt NASA.jpg (Simplified picture of the conveyor belt. Credit: NASA.)
- 21:19, 20 April 2018 Dronkers J (talk | contribs) uploaded File:Ocean-Currents gkplanet.jpg (Ocean surface currents <ref>http://www.gkplanet.in/2017/05/oceanic-currents-of-world-pdf.html</ref>)
- 20:55, 16 April 2018 Dronkers J (talk | contribs) uploaded File:RockyShorePlatform Holyhead-Wales UK Nigel Barry.jpg (Rocky shore platform, Holyhead, Wales (UK). Photo credit: Nigel Barry.)
- 20:54, 16 April 2018 Dronkers J (talk | contribs) uploaded File:CliffErosion Bonifacio Corsica Andrea Papi.jpg (Cliff erosion at Bonifacio, Corsica. Photo credit: Andrea Papi.)
- 12:36, 16 April 2018 Dronkers J (talk | contribs) uploaded File:DebenEstuary.JPG (Deben estuary, UK. Photo credit: Bescoe)
- 13:26, 23 November 2017 Dronkers J (talk | contribs) uploaded File:MarBiolValuationBelgium.jpg (Biological valuation maps of areas located near three main harbours at the Belgian coastal zone: (a) Nieuwpoort (Lombardsijde); (b) Oostende (Oostende-East); (c) Zeebrugge (Baai van Heist).)
- 17:21, 3 August 2017 Dronkers J (talk | contribs) uploaded File:BlondeauxFig7ab.jpg (Left: 7a. Brick-pattern ripples observed during a laboratory experiment. Right: 7b. Three-dimensional vortex ripples observed during a laboratory experiment (7a and 7b courtesy of John F.A. Sleath).)
- 11:27, 3 July 2017 Dronkers J (talk | contribs) uploaded File:WaveRippleFormationFig14.jpg (Time evolution of the crests of the ripples generated by the growth of a sandy Gaussian hump which interacts with an oscillatory flow (adapted from Marieu et al. 2008).)
- 11:25, 3 July 2017 Dronkers J (talk | contribs) uploaded File:WaveRippleFormationFig13.jpg (Vorticity contours of the oscillatory flow over a wavy wall at different wave phases.)
- 11:23, 3 July 2017 Dronkers J (talk | contribs) uploaded File:WaveRippleFormationFig12.jpg (Ratio between the amplitude <math>U_0/\omega</math> of the fluid displacement oscillations and the wavelength <math>\lambda</math> of the ripples plotted versus the parameter <math>\rho d/(\rho_s-\rho) g T^2</math>.)
- 11:22, 3 July 2017 Dronkers J (talk | contribs) uploaded File:WaveRippleFormationFig11.jpg (Theoretical value of the symmetry index plotted versus <math>U_s/U_0</math>.)
- 11:21, 3 July 2017 Dronkers J (talk | contribs) uploaded File:WaveRippleFormationFig10.jpg (Theoretical and experimental values of the dimensioless migration speed of ripples plotted versus <math>R_\delta</math>.)
- 11:20, 3 July 2017 Dronkers J (talk | contribs) uploaded File:WaveRippleFormationFig9.jpg (Equilibrium profile of the ripples predicted by the stability analysis of Blondeaux et al. (2015).)
- 11:17, 3 July 2017 Dronkers J (talk | contribs) uploaded File:WaveRippleFormationFig7.jpg (Limiting curves dividing the <math>(R_\delta, \psi_d)</math>-plane in regions where a flat bed, rolling grain ripples, two-dimensional vortex ripples, brick-pattern ripples are expected to form.)
- 11:16, 3 July 2017 Dronkers J (talk | contribs) uploaded File:WaveRippleFormationFig6a.jpg (Brick-pattern ripples (courtesy of John F.A. Sleath).)
- 11:15, 3 July 2017 Dronkers J (talk | contribs) uploaded File:WaveRippleFormationFig5ab.jpg (Regions in the <math>(R_\delta,\psi_d)</math>-plane where a flat bed, rolling-grain ripples, and vortex ripples are expected to appear. Comparison between the theoretical predictions and the laboratory observations.)
- 10:49, 3 July 2017 Dronkers J (talk | contribs) uploaded File:WaveRippleFormationFig4b.jpg (Vortex ripples (courtesy of John F.A. Sleath).)
- 10:48, 3 July 2017 Dronkers J (talk | contribs) uploaded File:WaveRippleFormationFig4a.jpg (Rolling-grain ripples (courtesy of John F.A. Sleath).)
- 10:47, 3 July 2017 Dronkers J (talk | contribs) uploaded File:WaveRippleFormationFig4.jpg (Visualization of the sediments picked-up from the bed and carried into suspension by the vortices shed at the crests of large amplitudes ripples in an oscillatory flow (courtesy of Dr. Megale).)
- 10:46, 3 July 2017 Dronkers J (talk | contribs) uploaded File:WaveRippleFormationFig3.jpg (Critical value <math>\alpha_{crit}</math> of <math>\alpha</math> plotted versus the flow Reynolds number <math>R_\delta</math> for <math>s=2.65, \mu=0.15, n=0.4</math> and different values of <math>R_d=R_p\sqrt{\psi_d}</math>.)