What do the contour lines on a topographic map show. A map is a representation of the earth or part of it. Slope is the measure of steepness or the degree of inclination of a feature relative to the horizontal plane. Contour interval definition the difference in elevation represented by each contour line on a topographic map. Weather stations are seldom exactly positioned at a contour line when they are this indicates a measurement precisely equal to the value of the contour.
Microsoft excel includes four useful charts you can use to design and plot a topographic map. Examine the topographic map on the left carefully. What is a topographic map. The distinctive character istic of a topographic map is that the.
The distinctive characteristic of a topographic map is that the shape of the earths surface is shown by contour lines. The small marks in the center of the feature are called hachures. After you have entered the appropriate data in a worksheet you can create a flat top down view of the data using a contour chart or a wireframe contour chart. And even if you know what they mean it can take practice to really become familiar with them.
You probably have seen topographic maps that use contour lines to show the height and angles of mountains but do you know what they mean. A map is a representation of the earth or part of it. Describes how releif is depicted on a topographic map using methods such as layer tinting form lines shaded relief hachures and contour lines. Includes pictures and diagrams.