Sea level rise
Sea level
Sea levels are predicted to rise by 1m over the next 100 years.
Sea Levels
Sea level rise is caused by two things.
Water expands when it gets warmer.
As the sea warms up it also expands. This is the dominant cause of sea level rise.
Ice on the land melts and flows into the sea.
Sea Levels
When sea ice melts it does not make the sea level rise. Ice takes up more room than the water it turns into. This is because ice is less dense than water.
Sea Levels
Higher sea level and more storms will damage the Welsh Coasts.
Sea Levels
It is estimated that 21% of the world's population already live within 30 km of a shoreline.
The National Assembly building in Cardiff which is built alongside Cardiff Bay. Cardiff is an expanding city
Sea Levels
Coastal populations are growing more than inland.
The Millennium Stadium in Cardiff. Cardiff is a coastal city.
Sea Levels
As there is more water in the sea there will be increased erosion as the water can reach further up the beaches and attack the coastlines. So more coastal lands will be eroded away.
Sea Levels
Loss of houses, infrastructure damaged and farmland being flooded.
Sea Levels
Increased salt levels in the soil and ground water make it harder to grow crops and have a good supply of fresh water.
Sea Levels
People will be forced to leave areas at risk to go to other countries and so threatening local cultures and ways of life.
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Sea level rise
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