| Term | Definition | Detail |
| Recession | The landward movement of the coastline due to marine erosion | (blank) |
| Accretion | The incremental movement seawards due to marine deposition | (blank) |
| Sediment Starvation | Loss of sediment supply to an area due usually to human activity | ie. groyne construction "updrift" of the site |
| Distributaries | River branches that split apart from the main channel and do not rejoin it | Associated with deltas |
| Delta Environment | The geomorphological and ecological conditions associated with deltas | (blank) |
| Risk Assessment | A technique for assessing the risk of damage to an area due to a hazard such as coastal flooding | (blank) |
| Reccurance Levels | The frequency with which particular levels of hazards such as flooding are likely to recur | (blank) |
| Climatic Change | Changes to the nature of the climate either locally or globally | This has occured throughout the planet's history due to natural causes. In recent times human action , notably the emission of greenhouse gasses released into the atmosphere |
| Global Warming | The steady increase in the global mean temperature experienced over the past century. | This is thought not to be natural but caused or enhanced by human action, notably the emisssion of greenhouse gasses into the atmosphere. |
| Atoll | Ring of coral forming around a circular island | (blank) |
