contour interval

In cartography, a contour interval is any space between vertical lines on a topographic map or globe, representing a difference in elevation between the lines.Type of terrain counter interval (m)Very flat 2.5 Normal 5 Hilly 10 Mountains 20 Small contour intervals are used for flat areas; larger intervals are used for mountainous terrain.
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Difference in elevation between two adjacent contour lines. 1/3/73

Différence de cote entre deux courbes de niveau consécutives. 1/3/73

Difference in elevation between two adjacent contours.

contour-interval
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