What is the contour interval of the topographic map?

What are the three types contour lines that can be found on a topographic map standard?

There are three types of contour lines that you will see on a map: index, intermediate, and supplementary. 1. Index lines refer to the thickest contour lines. They are often marked with a number at one end of the line. This indicates the elevation above the sea level.

How do contour lines work in the same way? Contour lines are lines that connect points with equal elevation on a map. If you follow a contour line, the elevation will remain constant. Contour lines indicate elevation and the contour of the terrain. These lines have an even spacing. This spacing is called the contour interval.

What is the contour interval of the map below, given this?

The elevation difference between one contour line and the next. The contour interval below measures 10 feet. This means that there is always a 10 foot elevation change between contourlines. While the contour interval may vary from one map to another, it is always the same for a given map.

What are the characteristics and uses of contour lines?

Contoured lines also have the following characteristics: Uniform slopes have uniformly spaced line. - contour lines run parallel and straight along plane surfaces. The contour lines run perpendicularly to the lines on steepest slopes. - The contour lines closest to the ground are used for depressions and summits.