isostatic and eustatic sea level change 0.0 / 5 ? GeographyCoastal environmentsA2/A-levelAQA Created by: TobyCreated on: 11-05-23 18:23 what is isostatic change? Isostatic change occurs when the land rises or falls relative to the sea and is a localised change 1 of 6 what is eustatic change? Eustatic change affects sea level across the whole planet. Eustatic change may be due to changes in the amount of water stored in glaciers 2 of 6 what is eustatic change in the last 100 years? In the last ice age, sea levels were over 100m lower than they are currently 3 of 6 what is the pattern of historic sea level change? 20,000 years ago, sea levels have always been rising 120m Sea level increase slowed around 8,000 years ago and levelled at the current height around 3000 years ago 4 of 6 how many people are at risk of coastal flooding? more than 1 billion people live on coasts that are at risk from coastal flooding 5 of 6 how many people are at risk of coastal flooding? more than 1 billion people worldwide 6 of 6
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