Portballintrae Flashcards
1
Q
Location
A
Wave fetch from Atlantic (refracts around Ireland)
Lots of beach removal
2
Q
Geology
A
Was glacial sands + rock headland
1800s altercations meant lost 1000m2/yr
Now boulder orientated
3
Q
Leslie’s Pier
A
Built in 1760 - rebuilt in 1895
Diffracts incoming waves - low energy behind
Waves attack centre + LSD from centre to east (sediment moves to side)
Rip current + deep water currents mean less sediment in bay
4
Q
Hard engineering
A
Groynes built (1904/70/97) Sand nourishment Barrier (sea wall) at cliff base Revetments + rock armour Continued retreat
