River Dee, Wales (Edexcel GCSE Geography A): Flashcards
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Where does River Dee originate?
Where does River Dee originate?
Snowdonia, North Wales (upland region)
Rock types in Snowdonia (River Dee area)
Rock types in Snowdonia (River Dee area)
Igneous and metamorphic rocks
Glacial valley shape (River Dee)
Glacial valley shape (River Dee)
U-shaped valleys
Years of River Dee channelisation
Years of River Dee channelisation
1732-1736
Length of River Dee channelised in 1730s
Length of River Dee channelised in 1730s
8 kilometres
Effects of channelisation on River Dee
Effects of channelisation on River Dee
Increased velocity and discharge
What does RDRS stand for?
What does RDRS stand for?
River Dee Regulation Scheme
Example reservoir in River Dee Regulation Scheme
Example reservoir in River Dee Regulation Scheme
Llyn Celyn
What do reservoirs do to sediment?
What do reservoirs do to sediment?
Trap sediment
Predicted sea level rise by 2100 (River Dee)
Predicted sea level rise by 2100 (River Dee)
1 metre
Where are natural meanders on River Dee?
Where are natural meanders on River Dee?
Between Holt and Worthenbury
Material deposited on floodplains
Material deposited on floodplains
Alluvium