File list
This special page shows all uploaded files.
| Date | Name | Thumbnail | Size | User | Description | Versions |
|---|---|---|---|---|---|---|
| 14:38, 28 June 2025 | BeachDrainA.jpg (file) |  |
117 KB | Dronkers J | Schematic of active beach drainage | 2 |
| 13:26, 28 June 2025 | BeachDrainP.jpg (file) |  |
63 KB | Dronkers J | Schematic of passive beach drainage | 1 |
| 17:38, 20 June 2025 | BandAcehTsunamiLeadingDepression.jpg (file) |  |
1.31 MB | Dronkers J | Retreating shoreline before arrival of the major wave of the Indian Ocean tsunami at Banda Aceh on December 26, 2004. Adapted from Synolakis and Bernard 2006. | 2 |
| 11:41, 20 June 2025 | TsunamiSinus.jpg (file) |  |
23 KB | Dronkers J | Schematic of the shelf/shoreface slope used in the tsunami run-up model of Madsen and Schäfer (2010) | 1 |
| 19:47, 31 May 2025 | TsunamiUprush.jpg (file) |  |
45 KB | Dronkers J | Schematic of Tsunami uprush. | 2 |
| 15:46, 31 May 2025 | Tohoku.jpg (file) |  |
71 KB | Dronkers J | Overflow of a seawall in Sanriku coast by the Tohoku tsunami. Photo credit Headquarters for Earthquake Research Promotion, Japan. Creative Commons Licence. | 1 |
| 10:22, 31 May 2025 | TidalBoreMomentum.jpg (file) |  |
258 KB | Dronkers J | Schematic representation of a hydraulic jump in a frame moving with the velocity of the hydraulic jump. | 1 |
| 12:37, 29 May 2025 | SeawardWaveLoadBreakwater.jpg (file) |  |
72 KB | Dronkers J | Boccotti’s formula for seaward wave pressure loading on a vertical breakwater<ref>Boccotti, P. 2000. Wave mechanics for ocean engineering, Elsevier Science, Oxford, UK</ref>. | 1 |
| 12:36, 29 May 2025 | ShorewardWaveLoadBreakwater.jpg (file) |  |
109 KB | Dronkers J | Goda’s formula for shoreward wave pressure loading on a vertical breakwater<ref>Goda, Y. 1974. A new method of wave pressure calculation for the design of composite breakwater. In Proceedings of the 14th Conference on Coastal Engineering. ASCE, pp. 1... | 1 |
| 16:26, 12 May 2025 | FlipThrough.jpg (file) |  |
40 KB | Dronkers J | Successive profiles (from right to left) of a wave approaching a wall, illustrating wave front steepening, rapid squeezing, filling of the wave trough and generation of a jet climbing the rigid wall. Redrawn after Peregrine (2003<ref>Peregrine, D. 2003... | 1 |
| 16:19, 12 May 2025 | WaveLoadBreakwater.jpg (file) |  |
81 KB | Dronkers J | Goda’s formula for wave pressure loading on a vertical breakwater<ref>Goda, Y. 1974. A new method of wave pressure calculation for the design of composite breakwater. In Proceedings of the 14th Conference on Coastal Engineering. ASCE, pp. 1702–1720... | 1 |
| 22:26, 8 May 2025 | TanhBayScheme.jpg (file) |  |
72 KB | Dronkers J | Sketch and symbols of the hyperbolic tangent representation of a headland bay. | 1 |
| 22:25, 8 May 2025 | ParabolicBayScheme.jpg (file) |  |
46 KB | Dronkers J | Sketch and symbols for the parabolic headland bay. | 1 |
| 22:24, 8 May 2025 | Logspiral.jpg (file) |  |
48 KB | Dronkers J | Sketch and symbols for the logspiral plan shape formula. | 1 |
| 20:11, 6 May 2025 | BeachClassification.jpg (file) |  |
47 KB | Dronkers J | Beach morphologies according to the parameters Ω and RTR, based on beach surveys in England, Wales, Northern Ireland and Australia. Reflective beaches are found in the red zone and dissipative beaches in the blue zone. | 1 |
| 13:38, 4 May 2025 | BangladeshGWsal.jpg (file) |  |
73 KB | Dronkers J | Bangladesh groundwater salinity (PSU) at 34 m below soil surface. Figure adapted from badc.portal.gov.bd. (2010). | 1 |
| 13:40, 2 May 2025 | WaveSetupGroundwaterflow.jpg (file) |  |
130 KB | Dronkers J | Groundwater flow pattern induced by wave set-up according to a theoretical model of Massel (2001). | 1 |
| 23:08, 1 May 2025 | DefSketchBeachWaterTable.jpg (file) |  |
119 KB | Dronkers J | Definition sketch of beach water table dynamics. | 1 |
| 20:07, 23 April 2025 | SandMotor10.jpg (file) |  |
188 KB | Dronkers J | The evolution of the 21 million m3 ‘sandmotor’ nourishment on the Dutch coast from 2011 (initial state) to 2021. During this period about 10% of the sand was lost, 10% was spread to the north (dominant littoral drift direction) and 5% to the south.... | 1 |
| 12:06, 21 April 2025 | WaveGroupDef.jpg (file) |  |
291 KB | Dronkers J | Wave group envelope (green) and infragravity wave (red). | 1 |
| 17:12, 17 April 2025 | SetUpSymbols.jpg (file) |  |
53 KB | Dronkers J | Definition sketch for the wave set-up balance equations. | 2 |
| 12:46, 17 April 2025 | UndertowSymbols.jpg (file) |  |
58 KB | Dronkers J | Definitions sketch for the momentum balance equations. | 1 |
| 10:32, 16 April 2025 | SpillingWave1.jpg (file) |  |
373 KB | Dronkers J | Spilling wave bore with onshore surfing roller. Photo credit Tim Haynes Flickr Creative Commons | 1 |
| 15:00, 14 March 2025 | BeachGWwave.jpg (file) |  |
163 KB | Dronkers J | Beach groundwater dynamics at wave time scale. | 1 |
| 14:59, 14 March 2025 | BeachGWtide.jpg (file) |  |
168 KB | Dronkers J | Beach groundwater dynamics at tidal time scale | 1 |
| 17:23, 13 March 2025 | SwashWaterTable.jpg (file) |  |
412 KB | Dronkers J | Left: Beach of Belongil (Australia, Google Earth image). Right: Horizontal variation of the groundwater table intersection with the beach face (exit level, red line) in response to swash excursions (blue line) measured on the beach of Belongil. Figure... | 1 |
| 22:45, 7 March 2025 | SwashZones.jpg (file) |  |
194 KB | Dronkers J | Swash zones, Portuguese coast. Google Earth image. | 1 |
| 17:46, 27 February 2025 | GodaWaveForce.jpg (file) |  |
126 KB | Dronkers J | Goda’s empirical formulas for the wave force on a vertical wall | 1 |
| 14:44, 22 February 2025 | RotterdamPort.jpg (file) |  |
224 KB | Dronkers J | Port of Rotterdam | 1 |
| 23:28, 4 February 2025 | LoireChannel.jpg (file) |  |
29 KB | Dronkers J | The Loire, a canalized estuary with reclaimed tidal flats. | 1 |
| 15:27, 28 January 2025 | SLRscenariosIPCC2019.jpg (file) |  |
109 KB | Dronkers J | Projections of possible sea-level rise for the low and high emission scenarios, RCP2.6 (blue) and RCP8.5 (red), respectively. The shaded areas indicate the uncertainty in the projections. Projections redrawn from SROCC (2019), satellite data from Haml... | 1 |
| 17:56, 25 January 2025 | ErosionHotspotPolandCoastSmall.jpg (file) |  |
392 KB | Dronkers J | Erosion hotspot on the Baltic coast of Poland. Photo credit M. Olkowicz. http://creativecommons.org/licenses/by-nc-nd/4.0/ | 1 |
| 23:37, 20 January 2025 | BengelloDune.jpg (file) |  |
26 KB | Dronkers J | Erosion and recovery of the dune on Bengello beach, Australia. Yellow: Foredune profile 1972. Red: Foredune profile 1977 after the 1974 storm winter. Blue: Recovery of the foredune in 1982. Redrawn after McLean et al. (2023<ref>McLean, R., Thom, B., Sh... | 1 |
| 14:55, 12 January 2025 | DiffractionCasablanca.jpg (file) |  |
158 KB | Dronkers J | Wave diffraction Oualida lagoon, south of Casablanca 16-06-2023. Google Earth image. | 1 |
| 22:43, 11 January 2025 | SetupRunup.jpg (file) |  |
71 KB | Dronkers J | Definition sketch wave set-down, wave set-up and wave run-up. | 2 |
| 13:10, 5 January 2025 | Swash.jpg (file) |  |
46 KB | Dronkers J | Schematic representation of swash uprush on the beach face. | 2 |
| 15:27, 31 December 2024 | SlopingBed.jpg (file) |  |
52 KB | Dronkers J | Non-broken shallow-water wave climbing a sloping shore. | 1 |
| 18:00, 20 December 2024 | Prochlorococcus.jpg (file) |  |
115 KB | Dronkers J | Cyanobacteria Prochlorococcus spp. Photo credit Derek Tan http://www3.botany.ubc.ca/derek/ Creative commons noncommercial licence | 1 |
| 21:54, 14 December 2024 | MeanGlobalChlorophyll.jpg (file) |  |
88 KB | Dronkers J | Mean global distribution of ocean surface chlorophyll-a from SeaWiFS satellite observations. Image credit NASA. | 1 |
| 16:50, 5 December 2024 | ProcScales.jpg (file) |  |
114 KB | Dronkers J | Temporal and spatial scales of ocean processes | 1 |
| 15:09, 17 November 2024 | BacterialAlgalMat.jpg (file) |  |
46 KB | Dronkers J | Bacterial algae mat. Courtesy Cuadrado, D.G., Perillo, G.M.E. and Vitale, A.J. 2014. Modern microbial mats in siliciclastic tidal flats: Evolution, structure and the role of hydrodynamics. Marine Geology 352: 367-380 | 1 |
| 23:34, 16 November 2024 | Rotifer.jpg (file) |  |
8 KB | Dronkers J | Rotifer ‘’Brachionus manjavacas’’, microscopic planktonic organism. Courtesy: Kristin Gribble. https://www.mbl.edu/research/research-organisms/rotifer | 1 |
| 23:29, 16 November 2024 | Tardigrade.jpg (file) |  |
330 KB | Dronkers J | ''Milnesium tardigradum''. Tardigrades (water bears) are among the most resilient animals known, capable to survive extreme conditions. Courtesy Schokraie, E., Warnken, U., Hotz-Wagenblatt, A., Grohme, M.A., Hengherr, S., et al. 2012. Comparative prote... | 1 |
| 23:13, 16 November 2024 | Ostracod.jpg (file) |  |
37 KB | Dronkers J | The myodocopid ostracod genus ‘’Vargula’’ (sea firefly), famous for its bioluminescence. Courtesy Robin James Smith, https://www.biwahaku.jp/smith/ostracod_predation.html | 1 |
| 23:09, 16 November 2024 | ForaminiferaAnomalinoidesSphericus.jpg (file) |  |
156 KB | Dronkers J | Foraminifera ''Anomalinoides Sphericus‘’. Courtesy Hayward, B.W., Grenfell, H.R., Reid, C.M. and Hayward, K.A. 1999. Recent New Zealand shallow-water benthic Foraminifera: Taxonomy, ecologic distribution, biogeography, and use in paleoenvironmental... | 1 |
| 23:06, 16 November 2024 | Gastropod.jpg (file) |  |
19 KB | Dronkers J | Gastropod ‘’Homalopoma sangarense’’. Courtesy Naturalis Biodiversity Center/Wikimedia Commons | 1 |
| 11:33, 16 November 2024 | BenthicFactors.jpg (file) |  |
48 KB | Dronkers J | Factors affecting benthic organisms in coastal ecosystems. From Satheesh, S. and El-Sherbiny, M.M. 2022. Ecology, distribution, and biogeography of benthos. Ecology and Biodiversity of Benthos, Elsevier, pp. 251-285 | 1 |
| 11:50, 14 November 2024 | VesicomyidClam.jpg (file) |  |
65 KB | Dronkers J | Vesicomyid clams at Southern Hydrate Ridge, hosting symbiotic microbes. This 'colony' is perched at the ledge above a site known as Einstein’s Grotto, at 770 m depth, which in 2013 was actively venting. Photo: NSF-OOI/UW/CSSF; Dive R1750; V14.https:/... | 1 |
| 11:38, 14 November 2024 | MalacosteusNiger.jpg (file) |  |
19 KB | Dronkers J | Malacosteus niger, commonly known as the black dragon fish. M. niger (length 10-20 cm) is a species of deep-sea fish. It is able to produce both red and blue bioluminescence. Photo credit: Ken Graham. Creative Commons Licence (CC BY-NC) | 1 |
| 13:14, 13 November 2024 | HumpbackAnglerfish.jpg (file) |  |
23 KB | Dronkers J | The humpback anglerfish or common black devil (Melanocetus johnsonii). [https://zoo-tycoon-movie.fandom.com/ Creative Commons Attribution NonCommercial license (“CC BY-NC” or “CC BY-NC-SA”)] | 1 |
