Snowdonia landforms PSD Flashcards
Cwm Idwal head wall height
999m
Tarn altitude
365m
Tarn depth
3m maximum 13m
area tarn covers
1.9km2
widest point
700m
name of erratic
Darwin’s boulders
name of arrete
Y Gribin Ridge
Where spur is truncated
600m
eroded nunatak height
1085m
how much does glacial trough extend
5km NW
Valley bottom altitude
200m
valley width
400m
valley sides
978m
Ribbon lake name
llyn Ogwen
ribbon lake length
1600m
altitude of lake asl
310m
area of lake
320,000 m2
lake depth
3m
Lateral moraine length
400m
lateral moraine height
45m
Esker height
5m
esker width
25m at widest point
esker length
340m
Kame dimensions
5m high 80m x 110m wide
kame terrace dimensions
500m long 10m high
Talus slope height
200m
Roche moutonee height
3.5m high