Read the following statements about contour interval and horizontal equivalent.
A. Contour interval is the vertical distance between any two consecutive contour line.
B.The horizontal equivalent is the horizontal distance between any two consucutive contour
lines.
Identify the correct statement/statements.
Statement A – Correct
Contour interval is the constant vertical distance (difference in elevation) between any two
consecutive contour lines on a map.
Statement B – Correct
Horizontal equivalent is the horizontal distance measured between any two consecutive
contour lines. Unlike the contour interval (which is fixed for a given map), the horizontal
equivalent varies according to the slope of the ground (smaller on steeper slopes and
larger on flatter slopes).
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