river tees - high force waterfall Flashcards
1
Q
where is river tees located
A
high force is located in the forest in Teesdale in the river tees upper course
2
Q
how was the water fall formed
A
-river flows from hard rock to softer rock,softer rock is eroded and undercuts the hard rock (Hard rock - Whinstone, Soft rock - limestone)
3
Q
what is the river tees source
A
its source is high in the pennine hills near cross fell(height around 900 m)
4
Q
how is the plunge pool formed
A
hydraulic action by the fast flowing water weakens the soft rock to form a plunge pool
5
Q
what is the soft rock at river tees
A
limestone
6
Q
what is the hardrock at tees
A
whinstone
