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Nav 1_4_01: Hills of Braemar. Contours – Ke y Points: Contour lines every 10m height change Bold contour line every 50m height change Closer together = steeper slope Farther apart = gentler slope Spot heights. Grou p Task: Calculatin g Hei g hts
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Nav 1_4_01: Hills of Braemar
Contours – Key Points: • Contour lines every 10m height change • Bold contour line every 50m height change • Closer together = steeper slope • Farther apart = gentler slope • Spot heights
Group Task: Calculating Heights Locate the features at the following Grid References and calculate their elevation above sea level to within 10m Triangulation Pillar on summit of Ben MacDui (NN 988 989) Loch Mhairc (NN 886 797) Knoll (NN 861 697) Hut (NO 173 810) Monument (NO 157 928) Track End (NO 036 863) Head of burn (NO 011 677) Waterfall (NO 064 777)
Answers: 1309m (!) 645m 550m 845m 330m 740m 535m 780m