Submergent Coastlines (AQA A-Level Geography): Flashcards

Coastlines formed when sea levels rise relative to land

Flooded river valley from rising sea levels

Dendritic (tree-like branching)

Fowey estuary, Cornwall

Drowned glacial valley with steep sides & great depth

U-shaped

Shallow section at mouth where glacier thinned

High-latitude regions with significant glaciation

Valleys run parallel to coastline, flood when sea rises

Islands/peninsulas aligned parallel to mainland coast