Topographic Map Skills

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Presentation transcript:

Topographic Map Skills

Topographic map – is a detailed map that shows both physical and human features.

Contour Lines – thin brown lines that trace the surface elevation, show how high the land is above sea level. Top View Side View

Secrets in the Lines A - Where the slopes are steeper, the contour lines are closer together B - Where the slopes are gentler, the contours lines are further apart A B

· Contour Interval Contour interval – this is Top View Contour interval – this is the distance between each contour line. It remains the same for the whole map. · 14 Spot Height – this is the exact height of the land at that point only. The red circle shows a spot height. (14) Bottom View

Spot & Contour Heights A) B) C) D) E) 12 A 45 E B D 20 30 C

Which Way Do Rivers Flow Contours can show you the direction that rivers flow. The V shaped contours point up the valley. Rivers flow down valleys.

Seatwork Complete the ‘Geolab 9’ worksheet.