A topographic profile is a crosssectional view along a line drawn through a portion of a topographic map. This video demonstrates how to draw a topographic profile. You must make your own vertical scale for this profile, but you. Contour intervals must be obeyed, therefore the contour line elevations can only be multiples of the contour interval.
The following list provides some guidelines for effectively constructing a topographic profile and uses the topographic map and profile line provided to the left you can download a pdf of the map and profile to work from acrobat pdf 2. You would use a topographic map with contour lines for this. Drawing, topographic contours surrounding the proposed x. Chapter 5 topographical maps you know that the map is an important geographic tool. Topographic maps and countours illinois institute of.
Draw vertical lines above your starting and ending points. Contour lines represent lines connecting points of equal elevation above sea level. Which diagram best represents the topographic profile from. Draw a horizontal line on the graph paper that is the length of your profile line. Creating topographic profiles orange county water atlas. Label the yaxis vertical lines with elevations making sure that your scale goes from highest to lowest on your crosssection see step 3. From each mark, indicate the vertical height with a dot on a. From each mark, indicate the vertical height with a dot on a scale. Not only does constructing a topographic profile aid in understanding topographic maps, it is very useful for geologists when analyzing numerous problems. Point out the flattest and steepest areas on the crater lake map.
Constructing a topographic map by drawing in contours can be easily done if a person remembers the following rules regarding contour lines. Draw a line between the two points bounding the desired profile area. Topographic maps creating topographic profiles a very useful exercise for understanding what topographic maps represent is the construction of a topographic profile. You also know that maps are classified on the basis of scale and functions. In other words, if you could slice through a portion of the earth, pull. A topographic profile is a diagram that shows the change in elevation of the land. Mark four points two on the endpoints and two between and draw the contours. Creating a topographic profile crosssection for the love of physics walter lewin may 16, 2011 duration. Students can verbally express the spatial angle of a profile in relation to topography.
Drawing contour lines and topographic profiles geosciences. To construct a profile, you need graph paper, a ruler, and a pencil. Suddenly you find signs of a big herd and then stumble upon a trophy buck. The topographical maps, which have been referred to in chapter 1 are of utmost importance to geographers. Drawing, topographic contours surrounding the proposed x745h cylinder storage yard. They serve the purpose of base maps and are used to draw all the other maps. Topographic profiles multiple choice page 1 yonkers public schools. When working data with topographic maps, topographic profiles and. How to prep and build a paver patio with curves and border \\ diy project duration. Essentially a topographic profile is a side image of a topographic map, but the image is only a representation of the area shown on the line on the topographic map line ab on figure 3.
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