Glacial Landforms on Maps Flashcards

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1
Q

What do you use contour lines to spot?

A

Pyramidal peaks.
Corries.
Aretes on a map.

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2
Q

What are contour lines?

A

Orange lines drawn all over maps.

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3
Q

What do contour lines tell you?

A

Height of the land.

Steepness of the land.

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4
Q

How is the height of the land shown?

A

By the numbers marked on them.

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5
Q

How is the steepness of the land shown?

A

By how close together the lines are.

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6
Q

The closer the contour lines the what?

A

The steeper the slope.

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7
Q

Where are pyramidal peaks located?

A

At the top.

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8
Q

Where are aretes located?

A

In the middle.

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9
Q

Where are Corries located with a tarn?

A

At the bottom.

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10
Q

What does an arete look like on a map?

A

Really thin hill.
Tightly packed.
Parallel contours on either side.

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11
Q

What do aretes often have?

A

Corries or tarns either side.
Footpaths on them with names like ‘Something Edge.
Eg ‘Striding Edge’.

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12
Q

What do corries look like on a map?

A

Tightly packed contour lines in a u-shape around them.

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13
Q

What do some corries have?

A

A tarn in them.

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14
Q

What do pyramidal peaks look like on a map?

A

Tightly packed contour lines that curve away from a central high point.

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15
Q

If you find a pyramidal peak what else will you find?

A

Corries and aretes around it.

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16
Q

You can also use maps do to what?

A

Spot glacial troughs and ribbon lakes.

17
Q

Give an example of a glacial trough?

A

Nant Ffrancon in Wales.

18
Q

Give an example of a ribbon lake?

A

Llyn Ogwen in Wales.

19
Q

What are glacial troughs?

A

Flat valleys with very steep sides.

20
Q

How are glacial troughs shown on a map?

A

No contour lines on the bottom of the valley.

Tightly packed contour lines on the side.

21
Q

Glacial troughs have what in them?

A

Ribbon Lakes.