Landscapes of sea-level change
- Changes in sea level take place over time due to sea temperatures being colder or warmer than the present, or relative changes in land levels.
Eustatic change may result from a fall in sea level due to a new glacial period, when water is held as ice. This explains why during previous glacial periods the English Channel was dry land. At the end of a glacial period, the ice on land melts and global sea level rise again.
Isostatic change arises from changes in the relationship of land to sea. During a glacial period, as ice collects on the land…