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(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)- 11:53, 11 August 2026 Dronkers J (talk | contribs) uploaded File:DutchCoastalZoneSites.jpg (Characteristics of the Dutch coast. The figure shows a bathymetric map [m] of the coastal zone and wind roses (significant wave height and peak period) at the location indicated by the arrow.)
- 16:58, 10 August 2026 Dronkers J (talk | contribs) uploaded File:SandMotorBalance2021.jpg (The evolution of the 21 million m3 ‘sand motor’ nourishment on the Dutch coast from 2011 (initial state) to 2021.)
- 12:21, 10 August 2026 Dronkers J (talk | contribs) uploaded File:OneLineModel.jpg (The one-line model schematization of shoreline evolution.)
- 20:28, 6 August 2026 Dronkers J (talk | contribs) uploaded File:InnerClosureDepth.jpg (Schematic illustration of the closure-depth concepts of Hallermeier and Kraus et al. The active coastal zone is represented here by the upper shoreface, where cross-shore sediment exchange occurs frequently over timescales of years to decades. The inne...)
- 11:01, 2 August 2026 Dronkers J (talk | contribs) uploaded File:DuneStabilizationConditions.jpg (Influence of beach width on dune stabilisation. Figure produced with AI.)
- 22:06, 28 July 2026 Dronkers J (talk | contribs) uploaded File:OilImpact.jpg (Schematic of oil spill impact on the marine ecosystem.)
- 22:06, 28 July 2026 Dronkers J (talk | contribs) deleted page File:OilImpact.jpg
- 20:38, 28 July 2026 Dronkers J (talk | contribs) uploaded File:OilImpact.jpg (Schematic of oil spill impact on the marine ecosystem.)
- 20:37, 28 July 2026 Dronkers J (talk | contribs) deleted page File:OilImpact.jpg
- 20:21, 28 July 2026 Dronkers J (talk | contribs) uploaded File:OilImpact.jpg (Schematic of oil spill impact on the marine ecosystem.)
- 15:00, 26 July 2026 Dronkers J (talk | contribs) uploaded File:Nematode.jpg (Nematode ''Sabatieria longisetosa''. Photo credit Daniel Leduc. https://www.nemys.ugent.be/photogallery.php?album=777&pic=184838)
- 14:59, 26 July 2026 Dronkers J (talk | contribs) uploaded File:HarpactacoidCopepod.jpg (Harpactacoid copepod. Photo credit Lodewijk van Walraven. https://plankton.photography/harpacticoid-copepods/)
- 14:59, 26 July 2026 Dronkers J (talk | contribs) uploaded File:Foraminifer.jpg (Foraminifer ''Nonionella stella''. Photo credit Isabel Mendes. https://www.marinespecies.org/photogallery.php?album=772&pic=47554)
- 14:58, 26 July 2026 Dronkers J (talk | contribs) uploaded File:Gastrotrich.jpg (Gastrotrich Photo credit Jasper Nance. http://www.flickr.com/photos/nebarnix/ Jasper Nance)
- 17:37, 24 July 2026 Dronkers J (talk | contribs) uploaded File:MicrobialLoop.jpg (Schematic representation of the microbial loop and its position in the pelagic food web.)
- 17:32, 24 July 2026 Dronkers J (talk | contribs) deleted page File:MicrobialLoop.png
- 22:48, 23 July 2026 Dronkers J (talk | contribs) uploaded File:MarineMicroorganisms.jpg (Simplified classification of the principal groups commonly referred to as marine microorganisms.)
- 22:48, 23 July 2026 Dronkers J (talk | contribs) deleted page File:MarineMicroorganisms.jpg
- 22:41, 23 July 2026 Dronkers J (talk | contribs) uploaded File:MarineMicroorganisms.jpg (Simplified classification of the principal groups commonly referred to as marine microorganisms.)
- 22:38, 23 July 2026 Dronkers J (talk | contribs) deleted page File:MarineMicroorganisms.jpg
- 17:36, 23 July 2026 Dronkers J (talk | contribs) deleted page Marine biomonitoring from environmental DNA (content was: " Environmental DNA, usually abbreviated as eDNA, is DNA that organisms leave behind in the surrounding environment. In marine...", and the only contributor was "Dronkers J" (talk))
- 23:07, 22 July 2026 Dronkers J (talk | contribs) uploaded File:SieburthPlanktonScale.jpg (The ‘Sieburth-scale’, redrawn from Sieburth et al. (1978<ref> Sieburth, J. Mn., Smetacek, V. and Lenz, J. 1978. Pelagic ecosystem structure: Heterotrophic compartments of the plankton and their relationship to plankton size fractions. Limnology and...)
- 21:34, 22 July 2026 Dronkers J (talk | contribs) uploaded File:PlanktonFoodWeb.jpg (Marine plankton in the food web. Schematic illustration of food-web relationships within the plankton community and their role in the marine ecosystem.)
- 21:34, 22 July 2026 Dronkers J (talk | contribs) uploaded File:PlanktonCommunity.jpg (Principal groups of marine plankton, arranged approximately according to increasing organism size.)
- 22:27, 21 July 2026 Dronkers J (talk | contribs) deleted page Potential Impacts of Sea Level Rise on Mangroves (content was: "==Overview of Mangrove Ecosystem== ===Global Distribution=== Image:Fig 1.gif|thumb|left|Fig. 1. Global Distribution of mangroves. (FAO : [http://www.fao.org/docrep/007/j1533e/J1533E00.htm Status and Trends in Mangrove Area Extent Wor...")
- 20:38, 21 July 2026 Dronkers J (talk | contribs) uploaded a new version of File:MangroveRestorationTiwoho.jpg (Hydrological rehabilitation of abandoned aquaculture ponds at Tiwoho, North Sulawesi, Indonesia. Photo credit Ben Brown, Rignolda Djamaluddin<ref>Brown, B. and Djamaluddin, R. 2017. A site history and field guide for Ecological Mangrove Rehabilitation...)
- 18:09, 20 July 2026 Dronkers J (talk | contribs) uploaded File:MangroveRestorationTiwoho.jpg (Hydrological rehabilitation of abandoned aquaculture ponds at Tiwoho, North Sulawesi, Indonesia. Photo credit Ben Brown, Rignolda Djamaluddin<ref>Brown, B. and Djamaluddin, R. 2017. A site history and field guide for Ecological Mangrove Rehabilitation...)
- 12:49, 17 July 2026 Dronkers J (talk | contribs) uploaded File:CreekDispersion.jpg (The maximum dispersion by a tidal creek due to a phase difference between filling/emptying and the channel current. The corresponding scaled dispersion function <math>f_max/L</math> is shown as a function of the phase <math>\phi</math>.)
- 12:48, 17 July 2026 Dronkers J (talk | contribs) uploaded File:CreekSketch.jpg (Definition sketch of a tidal creek.)
- 15:18, 7 July 2026 Dronkers J (talk | contribs) uploaded File:SaltWedgeSlopingBed.jpg (In an estuary with bed slope <math>\tan \beta</math>, the salt-wedge length tends to the limiting value <math>L_b=h_s/\tan \beta</math> when the river discharge is small.)
- 15:26, 3 July 2026 Dronkers J (talk | contribs) uploaded File:SalinityTemperatureDensityPlot.jpg (Curves of density anomaly [kg m<sup>-3</sup>] for temperatures in the range 0-30°C , salinities in the range 0-40 and atmospheric pressure, based on the EOS-80/UNESCO polynomial.)
- 17:04, 2 July 2026 Dronkers J (talk | contribs) uploaded File:ConductivityCell.jpg (Flow-through conductivity cell. Seawater is pumped through a narrow bore containing platinum electrodes.)
- 17:04, 2 July 2026 Dronkers J (talk | contribs) uploaded File:ConductivityPrinciple.jpg (Electrode conductivity principle.)
- 15:37, 29 June 2026 Dronkers J (talk | contribs) uploaded File:RevetmentSection.jpg (Schematic cross-section of a pattern-placed revetment on an earthen embankment.)
- 22:39, 25 June 2026 Dronkers J (talk | contribs) uploaded File:GroyneRip.jpg (Boundary rip: Offshore deviated longshore current along a groyne, carrying sediment outside the surf zone. Photo credit Dr. Wendy Carey, Delaware Sea Grant. https://www.weather.gov/safety/ripcurrent-photos)
- 22:38, 25 June 2026 Dronkers J (talk | contribs) uploaded File:GroyneFieldRip.jpg (Groin field at Beach Haven, New Jersey (USA), showing boundary rips. From Hapke et al. (2010<ref name=H10>Hapke, C.J., Himmelstoss, E.A., Kratzmann, M.G., List, J.H. and Thieler, E.R. 2010. National Assessment of Shoreline Change: Historical Shoreline...)
- 22:38, 25 June 2026 Dronkers J (talk | contribs) uploaded File:GroyneFieldBeachResponse.jpg (Typical saw-tooth shoreline pattern (updrift accretion and downdrift erosion) in a groyne field on the Long Island coast, NY. Image credit USGS EarthExplorer.)
- 22:37, 25 June 2026 Dronkers J (talk | contribs) uploaded File:BurullusGroynes.jpg (A groyne field on the Nile delta coast (near Burullus) at two consecutive years, showing insufficient protection of the groyne field from beach erosion. Insert: wave rose at Damietta. Upper panel: The typical saw-touth shoreline pattern for oblique wav...)
- 22:37, 25 June 2026 Dronkers J (talk | contribs) uploaded File:HighMediumObliqueWaveDrift.jpg (Groyne field with oblique wave incidence and characteristic saw-tooth shoreline pattern. Upper panel: High energetic waves create a wide surf zone where the major part of the littoral drift passes almost undisturbed by the groyne field. Cross-shore tra...)
- 22:36, 25 June 2026 Dronkers J (talk | contribs) uploaded File:GroynesTooClose.jpg (Narrow-spaced groyne field on the Nile delta coast, east of Kitchener drain. Insert: Damietta wave rose. The saw-touth shoreline pattern is inverted.)
- 22:35, 25 June 2026 Dronkers J (talk | contribs) uploaded File:JettyRips.jpg (Beach rip pattern updrift of an inlet jetty at Jones Beach, New Jersey. The alongshore rhythmiticy of the rip pattern is probably due to edge waves reflected from the jetty. From Hapke et al. (2010<ref name=H10>Hapke, C.J., Himmelstoss, E.A., Kratzmann...)
- 22:04, 23 June 2026 Dronkers J (talk | contribs) uploaded File:GlobalSedimentDischarges.jpg (Annual fluvial sediment discharge to the coastal ocean according to the classic global inventory of Milliman and Meade (1983<ref> Milliman, J. D. and Meade, R. H. 1983. World-wide delivery of sediment to the oceans. Journal of Geology 91, 1–21</ref>)...)
- 14:33, 22 June 2026 Dronkers J (talk | contribs) uploaded File:Size Coverage Curves.jpg (When comparing the species richness of two communities represented by a large sample A and a small sample B respectively, the results depend on the rarefaction method for sample A: rarefied to the same sample size or rarefied to the same coverage.)
- 14:23, 22 June 2026 Dronkers J (talk | contribs) deleted page File:SizeCoverageCurves.jpg
- 14:03, 22 June 2026 Dronkers J (talk | contribs) uploaded File:SizeCoverageCurves.jpg (When comparing the species richness of two communities represented by samples A and B respectively, the results depend on the rarefaction method: rarefied to the same sample size or rarefied to the same coverage.)
- 10:21, 19 June 2026 Dronkers J (talk | contribs) uploaded a new version of File:ElasticSoilModuli.jpg (Definitions of elastic soil deformation moduli .Adapted from USACE 2012. Coastal Engineering Manual. EM 1110-2-1100 Part VI.)
- 16:50, 18 June 2026 Dronkers J (talk | contribs) uploaded File:ElasticSoilModuli.jpg (Definitions of elastic soil deformation moduli. Adapted from USACE 2012. Coastal Engineering Manual. EM 1110-2-1100 Part VI.)
- 16:48, 18 June 2026 Dronkers J (talk | contribs) deleted page File:SoilMechanics.jpg
- 16:45, 18 June 2026 Dronkers J (talk | contribs) uploaded File:SoilMechanics.jpg (Definitions of elastic soil deformation moduli .Adapted from USACE 2012. Coastal Engineering Manual. EM 1110-2-1100 Part VI.)
- 16:44, 18 June 2026 Dronkers J (talk | contribs) deleted page File:SoilMechanics.jpg