Fjords (sometimes spelled fiords) are drowned glacier valleys. The depth of a fjord may exceed 1 mi (1.6 km) while the length sometimes exceeds 60 mi (97 km). Geologic evidence indicates that some fjords form when a glacier cuts a deep, U-shaped valley...

Formed by glaciers and having a U-shaped cross-section, fjords often have a shallow depth (sill) at the mouth due to terminal glacial deposits. Basins inside the sill are usually quite...

A fjord or fiord (pronounced /fjÉ"Ëd/) is a long, narrow estuary with steep sides, created in a glacially carved valley that is filled by rising sea water levels. The seeds of a fjord are laid when a glacier cuts a U-shaped valley through abrasion of...