Deltas around the world are in danger of disappearing due to rising sea levels, less sediment from rivers, and human actions. A study used a computer model to see how deltas change over many years with different factors like river flow, sea level rise, and human structures like dams. The results show that the amount of sediment and how the tides flow affect how deltas grow or shrink. When human structures like dams are added, the natural process of delta building can be disrupted. This means that small human interventions can harm the growth of deltas. The study helps us understand how to manage real-world deltas and can be useful for other changing landscapes.