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Date Name Thumbnail Size Description Versions
16:28, 18 September 2018 DeanAndBodgeProfiles.jpg (file) 62 KB The Bruun/Dean shoreface profile and the equivalent Bodge profile. 1
13:55, 18 September 2018 DutchCoastNorthHolland.jpg (file) 1.02 MB The barred coast of North Holland, The Netherlands. https://beeldbank.rws.nl, Rijkswaterstaat / Rens Jacobs 1
17:42, 14 September 2018 SeaLevelRise IPCC AR5.jpg (file) 87 KB Compilation of sea level data derived from observations up till 2010 and model projections up till 2100, relative to pre-industrial values. From IPCC 5th Assessment report Technical Summary WG1. 1
15:15, 21 June 2018 Benidorm EnriqueDomingo jpg.jpg (file) 499 KB Tourist resort Benidorm on the Spanish Mediterranean coast. Photo credit Enrique Domingo [https://www.flickr.com/photos/edomingo/] 1
15:14, 21 June 2018 AmericanJackknifeClam jpmm.jpg (file) 243 KB The American jackknife clam ''Ensis Directus'' has colonized the beaches of NW Europe. Photo credit jpmm, [https://www.flickr.com/photos/jpmm/] 1
15:13, 21 June 2018 LookingDownTheNileFromTheAswanDam JorgeLascar.jpg (file) 196 KB Looking down the Nile from the Aswan Dam. Photo credit Jorge Lascar 1
15:12, 21 June 2018 DredgingMaasvlakte2.jpg (file) 84 KB Dredging for the construction of Rotterdam port extension Maasvlakte 2. Photo credit Port of Rotterdam. 1
15:11, 21 June 2018 LeHavrePort2000.jpg (file) 252 KB The port of Le Havre at the mouth of the Seine River is surrounded by a nature reserve zone. Photo credit Port of Le Havre. 1
22:28, 10 June 2018 SewageEffluentDenver.jpg (file) 485 KB Sewage effluent Denver in Platte River. Photo credit Jeffrey Beall (2008) 1
12:32, 8 June 2018 CoastStormsWaves.jpg (file) 129 KB Global distribution of storm and wave climate. Blue: Coasts subjected to storm waves. Red: Coasts subjected to tropical storms. Green: Coasts subjected to ocean swell waves. Adapted from Davies (1973) 2
16:39, 7 June 2018 FringingReefDevelopment.jpg (file) 140 KB Typical evolution stages of a fringing reef. Adapted from Mergner and Schuhmacher (1974) 1
20:43, 21 May 2018 Groyne.jpg (file) 230 KB Typical impact of a groyne on a littoral drift beach: accretion at the updrift side and erosion at the downdrift side. Photo credit: Dan Scutter. 1
19:53, 21 May 2018 SedimentRetentionRiverDams.jpg (file) 224 KB Catchment basins with percentage of sediment discharge retained in artificial reservoirs, image from Vorosmarty et al (2003). 1
12:59, 21 May 2018 SeawallDowndriftErosionZanzibar.jpg (file) 81 KB Beach erosion downdrift of a seawall at Zanzibar. 1
12:59, 21 May 2018 SeawallToe.jpg (file) 657 KB Left: Low eroded beach at the Bardsea seawall, situated on the macrotidal Morecambe Bay (UK); Photo credit: Stephen Mackenzie. Right: Rock infill of a trench scoured at the toe of a seawall at Le Dicq (Island of Jersey): Photo credit: HR Wallingford. 1
12:57, 21 May 2018 NouakchottPorts.jpg (file) 495 KB Left: The new seaport of Nouakchott (Mauritania) built in 1985 (image October 2017). Right: The (smaller) old port of Nouakchott, built in 1965, situated ten kilometers north of the new port (image April 2018). 1
15:48, 28 April 2018 RhineConcNitratePhosphate.jpg (file) 41 KB Historic development of nitrate (a) and phosphate (b) concentrations in the Rhine. 1
15:47, 28 April 2018 Eutrophication Input Effect OSPAR2010.jpg (file) 84 KB Sources of nutrient input to the marine environment and simplified schemes showing eutrophication effects arising from nutrient enrichment. OSPAR 2010. 1
12:23, 27 April 2018 DuneErosionEgmond.jpg (file) 167 KB Dune scarp after collapse. 1
12:21, 27 April 2018 DuneScarpEgmond.jpg (file) 308 KB Dune scarp at Egmond aan Zee after a storm surge. 1
12:18, 27 April 2018 DuneFailureMechanisms.jpg (file) 72 KB Dune failure mechanisms. 1
12:17, 27 April 2018 BadhotelSchiermonnikoog 1924.jpg (file) 19 KB Badhotel at Schiermonnikoog after the 1924 storm. 1
23:13, 24 April 2018 EgmondCoastalRetreat.jpg (file) 88 KB Shoreline retreat Egmond aan Zee Dutch coast 17th-19th century. 1
15:30, 24 April 2018 ActiveCoastalZone.jpg (file) 112 KB Schematic representation of the active coastal zone for a dune coast. 1
15:31, 21 April 2018 ConveyorBelt Broecker Maier-Reimer.jpg (file) 224 KB Simplified scheme of the global thermohaline circulation, adapted from Broecker (1991) <ref. Broecker, W.S. 1991. The Great Ocean conveyor. Oceanography 4 (2), 79–89.</ref> 2
11:59, 21 April 2018 AMOC.jpg (file) 23 KB Schematic representation of the Atlantic Meridional Overturning Current. 1
11:56, 21 April 2018 ConveyorBelt NASA.jpg (file) 39 KB Simplified picture of the conveyor belt. Credit: NASA. 1
21:19, 20 April 2018 Ocean-Currents gkplanet.jpg (file) 203 KB Ocean surface currents <ref>http://www.gkplanet.in/2017/05/oceanic-currents-of-world-pdf.html</ref> 1
20:55, 16 April 2018 RockyShorePlatform Holyhead-Wales UK Nigel Barry.jpg (file) 1.38 MB Rocky shore platform, Holyhead, Wales (UK). Photo credit: Nigel Barry. 1
20:54, 16 April 2018 CliffErosion Bonifacio Corsica Andrea Papi.jpg (file) 442 KB Cliff erosion at Bonifacio, Corsica. Photo credit: Andrea Papi. 1
12:36, 16 April 2018 DebenEstuary.JPG (file) 610 KB Deben estuary, UK. Photo credit: Bescoe 1
13:26, 23 November 2017 MarBiolValuationBelgium.jpg (file) 68 KB 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). 1
17:21, 3 August 2017 BlondeauxFig7ab.jpg (file) 90 KB 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). 1
11:27, 3 July 2017 WaveRippleFormationFig14.jpg (file) 47 KB 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). 1
11:25, 3 July 2017 WaveRippleFormationFig13.jpg (file) 47 KB Vorticity contours of the oscillatory flow over a wavy wall at different wave phases. 1
11:23, 3 July 2017 WaveRippleFormationFig12.jpg (file) 20 KB 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>. 1
11:22, 3 July 2017 WaveRippleFormationFig11.jpg (file) 39 KB Theoretical value of the symmetry index plotted versus <math>U_s/U_0</math>. 1
11:21, 3 July 2017 WaveRippleFormationFig10.jpg (file) 20 KB Theoretical and experimental values of the dimensioless migration speed of ripples plotted versus <math>R_\delta</math>. 1
11:20, 3 July 2017 WaveRippleFormationFig9.jpg (file) 18 KB Equilibrium profile of the ripples predicted by the stability analysis of Blondeaux et al. (2015). 1
11:17, 3 July 2017 WaveRippleFormationFig7.jpg (file) 19 KB 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. 1
11:16, 3 July 2017 WaveRippleFormationFig6a.jpg (file) 157 KB Brick-pattern ripples (courtesy of John F.A. Sleath). 1
11:15, 3 July 2017 WaveRippleFormationFig5ab.jpg (file) 53 KB 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. 1
10:49, 3 July 2017 WaveRippleFormationFig4b.jpg (file) 56 KB Vortex ripples (courtesy of John F.A. Sleath). 1
10:48, 3 July 2017 WaveRippleFormationFig4a.jpg (file) 48 KB Rolling-grain ripples (courtesy of John F.A. Sleath). 1
10:47, 3 July 2017 WaveRippleFormationFig4.jpg (file) 47 KB 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). 1
10:46, 3 July 2017 WaveRippleFormationFig3.jpg (file) 25 KB 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>. 1
10:44, 3 July 2017 WaveRippleFormationFig2.jpg (file) 21 KB Region of existence of ripples and flat beds (adapted from Blondeaux 1990). 1
10:43, 3 July 2017 WaveRippleFormationFig1.jpg (file) 125 KB Steady streaming generated by an oscillatory flow over a wavy wall (adapted from Blondeaux 1990). 1
10:40, 3 July 2017 WaveRippleFormationFig0.jpg (file) 678 KB Ripples observed at Sea Rim State Park, along the coast of east Texas close to the border with Louisiana (courtesy by Zoltan Sylvester). 1
21:44, 30 June 2017 ChadwickFig15f.jpg (file) 111 KB Diffraction (ratio of diffracted wave height and incident wave height) of a normally incident directional random sea state for a breakwater gap width of b=L. 1
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