{"version":"1.0","type":"link","title":"Retrogradation - Newikis","description":"Retrogradation is the landward change in position of the front of a coastal depositional system (such as a river delta) with time. This occurs when the mass balance of sediment into a delta or a beach system is such that the volume of incoming sediment is less than the volume of the delta that is…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://upload.wikimedia.org/wikipedia/commons/d/d1/Retrogradation_coastal_pattern.png","thumbnail_width":1280,"thumbnail_height":720}