coastal risks Flashcards
1
Q
What is tectonic change?
A
causes land to sink/rise at boundaries
sudden change in movement of a plate can lead to rise/fall in seabed and change in sea level
eq- can trigger tsunami
2
Q
What is isostatic change?
A
level of land, influenced by ice age
ice age= weight of ice causes land to sink
when done melting of ice causes land to rebound back
3
Q
What is eustatic change?
A
rising/ falling of sea levels, ice age
water stored in ice, moves sea level down
ice melts= sea level rise