MMS3443 Topic 8

What does MSL stand for in the context of sea level?

• Mean Sea Level

• Minimum Sea Level

• Mean Surface Level

• Maximum Sea Level

What is the primary cause of eustatic sea level change?

• Alteration in ocean basin shape

• Increase in land height

• Variations in tidal patterns

• Changes in atmospheric pressure

Which of the following is a characteristic of isostatic sea level change?

• Caused by ocean basin shape

• Local sea level change

• Global sea level change

• Caused by ice ages

What is a transgression in terms of sea level?

• Stable sea level

• Sea level fall

• Constant sediment supply

• Sea level rise

What does the term 'regression' refer to in sea level changes?

• Sea level rise

• Sea level fall

• Stable sea level

• Increase in sediment supply

Which factor does NOT contribute to sea level change?

• Ice caps

• Exchange with water

• Sea water temperature

• Wind patterns

What is the effect of land subsidence on sea level?

• Sea level stabilizes

• Sea level falls

• No effect

• Sea level rises

What does the Sea Level Curve (SLC) represent?

• Changes in sea level over time

• Tidal patterns

• Ocean currents

• Weather patterns

What happens during a marine transgression?

• Shoreline moves landward

• Shoreline moves seaward

• No change in shoreline

• Increased sediment deposition

What is the primary factor determining erosion vs. deposition?

• Tidal patterns

• Sediment supply

• Base level

• Water temperature