Even as some deltas experience decreased sediment supply from damming, others will see increased sediment discharge from land - use changes. (sciencedaily.com)
«That gave us confidence to project how the beaches will behave in the future,» Barnard explains, because it allowed the model to account for variations in features like sand - grain size and beach slope among the different beaches, along with dynamics such as sediment supply from rivers, dredging and past human additions of sand. (scientificamerican.com)
This reduction represents 69 percent of all sediments flowing out the Andes and 64 percent of the entire Amazon sediment supply and is expected to extend to the Amazon river main channel, impacting the entire central floodplain and delta region. (sciencedaily.com)