https://www.researchgate.net/publication/45685026_Surf_zone_surface_retention_on_a_rip-channeled_beach (https://www.researchgate.net/publication/45685026_Surf_zone_surface_retention_on_a_rip-channeled_beach)
That was way more enjoyable then reviewing half of the scientific papers I have to look at for work. But seriously, I only got a third of the way through before I started to drift off. lol