| Flat as a washed-up jellyfish, the 217 hectare sand cay is only 4m above sea level at its highest point. |
| Storm surges are unusual elevations in sea level that are driven by anomalous wind stresses and low atmospheric pressures associated with storms. |
| Partial pressure in oxygen was adjusted for altitude and reported as if it were obtained at sea level. |
| The rise of sea levels with the release of glacial waters at the end of the last ice age flooded the plain between what is now the UK and Europe. |
| Rising sea levels are particularly problematic where seashores are nearly flat. |
| Between about 8000 BC and 6000 BC rising sea levels severed the land bridge between Britain and the Continent. |
