depiction of relief - mountaineering of relief.pdf · 064 41222 [email protected] on...
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![Page 2: Depiction of Relief - Mountaineering of Relief.pdf · 064 41222 activities@staroutdoors.ie On 1:50000 scale maps the contour interval is every 10m When you look at a map, you should](https://reader033.vdocuments.mx/reader033/viewer/2022050409/5f85ce4673030534c50fa6a1/html5/thumbnails/2.jpg)
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Contour lines are continuous lines on the map that join points of the same height
above sea level.
![Page 3: Depiction of Relief - Mountaineering of Relief.pdf · 064 41222 activities@staroutdoors.ie On 1:50000 scale maps the contour interval is every 10m When you look at a map, you should](https://reader033.vdocuments.mx/reader033/viewer/2022050409/5f85ce4673030534c50fa6a1/html5/thumbnails/3.jpg)
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On 1:50000 scale maps the contour interval is every 10m
When you look at a map, you should try to interpret the contours and
build up a 3 Dimensional picture in your mind of what the ground
actually looks like.
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Contour Features Closely packed contours indicate a steep slope
Well spaced contours indicate a gentler slope
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There are four main features that we use when navigating in the mountains.
Also imagining that each feature has four sides that go either up or down can help
identify the feature on the ground.
Top/Summit
Spur
Col
Re-entrant
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Top/Summit
Contours form a
complete circle
All four sides down.
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Spur
Contours are U or V shaped, pointing away from the high
ground
Three sides down and one
up.
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Col/Saddle
Two spurs pointing towards each other
Two opposite sides up & other two down.
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Re-entrant
Contours are U or V shaped, but pointing towards the high ground
Three sides up and one down.
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