| 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) |
or...
