Snowdonia landforms PSD Flashcards by Shauna McLaren | Brainscape

Q

Cwm Idwal head wall height

A

999m

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Q

Tarn altitude

A

365m

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Q

Tarn depth

A

3m maximum 13m

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Q

area tarn covers

A

1.9km2

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Q

widest point

A

700m

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Q

name of erratic

A

Darwin’s boulders

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Q

name of arrete

A

Y Gribin Ridge

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Q

Where spur is truncated

A

600m

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Q

eroded nunatak height

A

1085m

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Q

how much does glacial trough extend

A

5km NW

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Q

Valley bottom altitude

A

200m

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Q

valley width

A

400m

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Q

valley sides

A

978m

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Q

Ribbon lake name

A

llyn Ogwen

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Q

ribbon lake length

A

1600m

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Q

altitude of lake asl

A

310m

Q

area of lake

A

320,000 m2

Q

lake depth

A

3m

Q

Lateral moraine length

A

400m

Q

lateral moraine height

A

45m

Q

Esker height

A

5m

Q

esker width

A

25m at widest point

Q

esker length

A

340m

Q

Kame dimensions

A

5m high 80m x 110m wide

Q

kame terrace dimensions

A

500m long 10m high

Q

Talus slope height

A

200m

Q

Roche moutonee height

A

3.5m high