How To Draw A Topographic Cross Section
When we hold a ruler to the y-axis of the topographic profile in Figure 36 we see that 05 inches 50ft which means 1 inch 100ft on the vertical scale. Drawing a cross-section 1.
Relief Map Map Reading Map Skills
Make a small vertical mark on your paper where each contour line meets it.
How to draw a topographic cross section. How to draw a cross section from a topographic map. An explanation on how to draw a cross section. On the map place the piece of paper and holding it steady mark off EVERY contour that cuts it ACCURATELY numbering each mark vertically.
Draw vertical lines above your starting and ending points. Drawing a Topographic Profile. A map extract is provided together with student tasks and an extension.
The cross-section of a geological map exposed all inner formations of rock beds. Drawing a Topographic Profile 2. A continuation of the topic of drawing a cross-section from a topographic profile this time we look how to factor in different layers of rock if they are pr.
You would use a topographic map with contour lines for this. Near each vertical mark write the height of the contour. Cross section Email This BlogThis.
All you need is. Drawing of cross-section. Draw a line between spot height 1463 and trig beacon 159.
On the basis of the reading knowledge of a geological map we select the section line of the map and steep forward to drawing of the cross-section. Label these points A and B. This 1inch 1000ft equivalency is for the horizontal scale.
Construction of Geological Structures. Place a straight edge of paper from point A to point B and join the dots. Determination of Dip and Strike 3.
Lets say you must draw a cross section between two points on a topographic map eg. Suppose it is required to draw a topographic profile along a XY line on the geological map. Locate two points on a map between which the cross-section is to be made.
If the topographic map in Figure 36 has a fractional scale of 112000 then 1 inch is equal to 12000 inches or 1000ft. The map is first folded along the XY line on a drawing paper. Thus the questions directed to my students I have edited it.
Example of a cross section Lets say you must draw a cross section between two points on a topographic map eg. Also draw equally spaced elevation lines parallel to your strip of paper. You how to draw a cross-section.
Mark off the right hand extreme on the graph and draw a vertical line to delimit it. From spot height 1463 to trig beacon 159. It is a side view of a specific land formtopography.
Also draw small marks below X and Y and label them X and Y. Dont forget to watch my other Geography mapwork. The procedure of drawing a section consists of three steps.
A topographic map can be used to create a cross-section along any line drawn on the map. I used explain everything and recorded my lesson. Also you need to mark points A and B on your piece of paper.
Label the y-axis vertical lines with elevations making sure that your scale goes from highest to lowest on your cross-section see step 3. This is a lesson I did for my class today. On a magic piece of paper delimit the cross-section on the map and match it to the given graph.
Line up the edge of a piece of plain paper along the line marked XY. Draw two vertical lines similar to two y -axes on a graph representing the boundaries of your cross-section. Draw a horizontal line on the graph paper that is the length of your profile line.
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