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User contributions for Dronkers J

A user with 10,399 edits. Account created on 9 January 2007.
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2 July 2026

1 July 2026

30 June 2026

29 June 2026

28 June 2026

27 June 2026

26 June 2026

25 June 2026

  • 20:4020:40, 25 June 2026 diff hist +14,597 Testpage1 No edit summary
  • 20:3920:39, 25 June 2026 diff hist +219 N 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 current
  • 20:3820:38, 25 June 2026 diff hist +378 N 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... current
  • 20:3820:38, 25 June 2026 diff hist +172 N 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. current
  • 20:3720:37, 25 June 2026 diff hist +413 N 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... current
  • 20:3720:37, 25 June 2026 diff hist +542 N 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... current
  • 20:3620:36, 25 June 2026 diff hist +163 N 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. current
  • 20:3520:35, 25 June 2026 diff hist +481 N 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... current
  • 08:2108:21, 25 June 2026 diff hist +1,833 Open ocean habitat No edit summary current

24 June 2026

23 June 2026

22 June 2026

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