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(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)- 17:06, 22 June 2023 Dronkers J (talk | contribs) uploaded a new version of File:StLawrenceTides.jpg (Tide gauge data at the St. Lawrence estuary mouth (Ste Anne des Monts) and at an upstream location (Trois Rivières) along the St. Lawrence River (Canada) during the month September 1976.The 0-meter datum is chosen arbitrarily for both stations. Redraw...)
- 16:39, 22 June 2023 Dronkers J (talk | contribs) uploaded File:TidalRangeHistory.jpg (Increase of the tidal range at inland seaports along tidal rivers in Europe during the past century.)
- 20:03, 21 June 2023 Dronkers J (talk | contribs) uploaded File:TidalRiverScheme.jpg (Schematic representation of a tidal river and symbol definitions.)
- 20:03, 21 June 2023 Dronkers J (talk | contribs) deleted page File:TidalRiverScheme.jpg
- 15:32, 21 June 2023 Dronkers J (talk | contribs) uploaded File:TidalRiverScheme.jpg (Schematic representation of a tidal river and symbol definitions.)
- 15:30, 21 June 2023 Dronkers J (talk | contribs) deleted page File:TidalRiverScheme.jpg
- 19:19, 16 June 2023 Dronkers J (talk | contribs) uploaded File:LoireGroins.jpg (Channel incision Loire tidal river. Left panel: Groins in the Loire tidal river near Anetz. Photo credit GIP Loire Estuaire. Right panel: Lowering of the river bed along the thalweg due to channel constriction. Redrawn from VNF (2019).)
- 09:25, 16 June 2023 Dronkers J (talk | contribs) uploaded File:ScheldeTidalRiver.jpg (Floodplain of the Scheldt tidal river at low water, downstream of Gentbrugge. Photo credit Waterwegen en Zeekanaal NV.)
- 19:41, 15 June 2023 Dronkers J (talk | contribs) uploaded File:TidalRiverDunes.jpg (Cross bedding of tidal river dunes. Panel a: Cross bed dipping (grain avalanches) to the right in unidirectional river flow. Panel b. Herringbone cross bedding. The flood flow has eroded the top of the river (ebb flow) dune, creating a flood cap with c...)
- 20:09, 6 June 2023 Dronkers J (talk | contribs) uploaded File:StLawrenceTides.jpg (Tide gauge data at a downstream and an upstream location along the St. Lawrence River (Canada) during the month September 1976. Redrawn from LeBlond (1979).)
- 12:57, 6 June 2023 Dronkers J (talk | contribs) uploaded File:MeanFriction.jpg (Contribution of friction to the mean water level gradient in a tidal river.)
- 12:57, 6 June 2023 Dronkers J (talk | contribs) uploaded File:FrictionContributions.jpg (Contribution of friction to non-tidal and tidal components of the water level gradient in a tidal river.)
- 12:56, 6 June 2023 Dronkers J (talk | contribs) uploaded File:TidalRiverScheme.jpg (Schematic representation of a tidal river and symbol definitions.)
- 14:21, 22 May 2023 Dronkers J (talk | contribs) uploaded File:ChenierPlainGuinee.jpg (Chenier plain in Guinée (West Africa). Image Google Earth.)
- 10:18, 22 May 2023 Dronkers J (talk | contribs) uploaded File:ChenierFormation.jpg (Schematic of the stages of chenier formation. Top: Prograding mudflat including some sand and shells. Middle: Winnowing and offshore transport of mud by energetic wave action and onshore transport of the resulting sandy/shelly top layer. Bottom: Mudfla...)
- 12:22, 17 May 2023 Dronkers J (talk | contribs) uploaded File:WaveTransmissionGraph.jpg (Graphical estimate of the wave transmission coefficient as a function of the relative freeboard, based on laboratory data. The hatched area indicates the level of accuracy. Adapted from the Rock Manual, CIRIA 2007.)
- 12:20, 17 May 2023 Dronkers J (talk | contribs) deleted page File:WaveTransmissionGraph.jpg
- 10:36, 17 May 2023 Dronkers J (talk | contribs) uploaded File:WaveTransmissionGraph.jpg (Graphical estimate of the wave transmission coefficient as a function of the relative freeboard, based on laboratory data. Adapted from the Rock Manual 2007.)
- 10:34, 17 May 2023 Dronkers J (talk | contribs) deleted page File:WaveTransmissionGraph.jpg
- 10:14, 17 May 2023 Dronkers J (talk | contribs) uploaded File:WaveTransmissionGraph.jpg (Graphical estimate of the wave transmission coefficient as a function of the relative freeboard.)
- 20:59, 16 May 2023 Dronkers J (talk | contribs) uploaded File:MandaraRip.jpg (Wave transmission over a submerged breakwater at Mandara beach, Alexandria (Egypt). The yellow arrows indicate the location of rip currents.)
- 22:03, 15 May 2023 Dronkers J (talk | contribs) uploaded File:WaveTransmission.jpg (Wave transmission over a low-crested breakwater and mathematical symbols.)
- 15:03, 9 May 2023 Dronkers J (talk | contribs) uploaded File:EnergyFlux.jpg (The longshore component of the wave energy flux trough the breaker depth contour per unit contour length is given by <math>F \cos\alpha \sin\alpha</math>.)
- 17:04, 8 May 2023 Dronkers J (talk | contribs) uploaded File:NAOspectrum.jpg (Global NAO spectrum based on wavelet analysis of the NAO index annual time series for the period 1860-2005. Redrawn after Massei et al. (2007).)
- 16:24, 5 May 2023 Dronkers J (talk | contribs) uploaded File:AlexandriaAbuQirBeach.JPG (Abu Qir beach, Alexandria.)
- 14:12, 5 May 2023 Dronkers J (talk | contribs) uploaded File:SymphonyOfTheSeas.jpg (The mega-cruise ship Royal Caribbean’s Symphony of the Seas. Photo credit Darthvadrouw, Creative Commons Licence.)
- 11:42, 4 May 2023 Dronkers J (talk | contribs) uploaded File:BuoyMotion.jpg (Balance of vertical forces on a buoy in a wave field.)
- 09:36, 4 May 2023 Dronkers J (talk | contribs) uploaded File:BuoyantBody.jpg (Balance of vertical forces on a buoyant body in a wave field .)
- 09:35, 4 May 2023 Dronkers J (talk | contribs) deleted page File:BuoyantBody.jpg
- 15:35, 3 May 2023 Dronkers J (talk | contribs) uploaded File:BuoyantBody.jpg (Balance of vertical forces on a buoyant body in a wave field.)
- 17:07, 27 April 2023 Dronkers J (talk | contribs) uploaded a new version of File:RankAbundanceDistributions.jpg (Rank-abundance distributions according to the four models 'log series model' (blue curve), 'log-normal model' (yellow curve), 'geometric model' (red curve) and 'broken-stick model' (grey curve).)
- 10:32, 25 April 2023 Dronkers J (talk | contribs) uploaded File:HypoxiaNutrientConversion.jpg (Schematic influence hypoxia on nutrient conversion. OM=organic matter. Redrawn after Dai et al. (2023).)
- 21:11, 23 April 2023 Dronkers J (talk | contribs) uploaded File:GoldCoastCyclone.jpg (Gold Coast, Australia, before and after the June 1967 cyclone. Observed shoreface profiles showing recovery of the initial close-to-equilibrium profile after strong perturbation by an extreme event. Redrawn after Patterson, D.C. and Nielsen, P. (2016).)
- 10:24, 20 April 2023 Dronkers J (talk | contribs) uploaded File:UpperLowerShoreface.jpg (Theoretical equilibrium profile for the upper and lower shoreface.)
- 19:47, 18 April 2023 Dronkers J (talk | contribs) uploaded File:RarefactionPlot.jpg (Rarefaction plot. Red: Benthic community altered by increased organic input. Blue: Benthic community recovering after abatement of organic input. Redrawn after Pierson and Rosenberg (1978).)
- 19:45, 18 April 2023 Dronkers J (talk | contribs) uploaded File:BiomassAbundancePlot.jpg (Comparison of k-dominance for abundance and biomass. a. Typical plot for a healthy ecosystem. b. Typical plot for a stressed degraded ecosystem. Redrawn after Warwick 1986.)
- 16:38, 7 April 2023 FedorBaart (talk | contribs) uploaded File:Nodal-tide-estimate-nl.png
- 20:03, 27 March 2023 User account FedorBaart (talk | contribs) was created by Admin (talk | contribs) and password was sent by email
- 16:20, 24 March 2023 Dronkers J (talk | contribs) uploaded File:MoonDeclination.jpg (Schematic of tide generation for different (exagerated) moon declinations.)
- 16:18, 24 March 2023 Dronkers J (talk | contribs) deleted page File:MoonDeclination.jpg
- 22:28, 23 March 2023 Dronkers J (talk | contribs) uploaded File:MMMHW.jpg (Modulation of the monthly mean high water by the lunar nodal cycle. Blue curve: Case of semidiurnal tidal dominance (e.g. Brest, France). Red curve: Case of diurnal dominance (e.g. Victoria, Canada). Adapted from Peng et al. (2019))
- 16:23, 22 March 2023 Dronkers J (talk | contribs) uploaded File:MoonDeclination.jpg (Schematic of tide generation for different (exagerated) moon declinations.)
- 18:20, 7 March 2023 Dronkers J (talk | contribs) deleted page Talk:Natural shore protecting barriers (content was: "Job Dronkers March 2023: I have updated the Salt march section of this article.", and the only contributor was "Dronkers J" (talk))
- 22:40, 4 March 2023 Dronkers J (talk | contribs) deleted page Talk:Restoration of salt marshes and mudflats (content was: "Job Dronkers, November 2020: I made a separate article for this topic, extracting two paragraphs from the article Dynamics,...", and the only contributor was "Dronkers J" (talk))
- 15:58, 2 March 2023 Dronkers J (talk | contribs) deleted page Restoration of salt marshes and mudflats (content was: " This article deals with technical aspects of restoration projects. Cultural, social and economic a...", and the only contributor was "Dronkers J" (talk))
- 12:46, 2 March 2023 Dronkers J (talk | contribs) deleted page Conservation, rehabilitation and restoration of estuarine and coastal habitats (content was: " ==Definitions== *'''Ecosystem restoration''' is the process of assisting the recovery of an ecosystem that has been degraded...", and the only contributor was "Dronkers J" (talk))
- 12:44, 2 March 2023 Dronkers J (talk | contribs) deleted page Ecomorphology and habitat restoration: introduction (content was: "The thematic ENCORA network for ecomorphology and habitat restoration has been set up with a twofold mission: (1) to understa...", and the only contributor was "Dronkers J" (talk))
- 17:05, 1 March 2023 Dronkers J (talk | contribs) uploaded File:BeachClassification.jpg (Beach morphologies according to the parameters <math>\Omega</math> and <math>RTR</math>, based on beach surveys in England, Wales, Northern Ireland and Australia. Dissipative are found in the red zone and dissipative beaches in the blue zone. Almost no...)
- 11:47, 27 February 2023 Dronkers J (talk | contribs) uploaded File:YieldStressProbes.jpg (Measurement devices for in situ yield stress determination. Left: Graviprobe. Right: Rheotune. From Kirichek, A., Shakeel, A. and Chassagne, C. 2020. Using in situ density and strength measurements for sediment maintenance in ports and waterways. J. So...)
- 11:46, 27 February 2023 Dronkers J (talk | contribs) uploaded File:NauticalDepthScheme.jpg (Illustration of nautical depth. From Kirichek, A., Shakeel, A. and Chassagne, C. 2020. Using in situ density and strength measurements for sediment maintenance in ports and waterways. J. Soils Sediments 20: 2546–2552, Creative Commons International...)