Sea level changes

Question 1

What is eustatic sea level change?

Answer 1

Causes by a change in the volume of water in the sea or by change in the shape of the ocean basins

Question 2

Main causes of eustatic sea level change

Answer 2

Tectonic movement of the earth’s crust, altering the shape of ocean basins
Changes in termperature

Question 3

What is isostatic sea level change?

Answer 3

Caused by vertical movement of the land relative to the sea

Question 4

Main causes of isostatic sea level change

Answer 4

Tectonic uplift or depression

Subsidence of land due to shrinkage after abstraction of water.