Activity 2A: Drawing Contour Lines
- Due Jan 10, 2021 by 11:59pm
- Points 10
- Submitting a file upload
Drawing Contour Lines
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Follow these Rules for Drawing Contour Lines:
- Contour lines connect points with the same
- When drawing contour lines, connect the data points with one, smooth line avoiding sharp angles.
- Contour lines never cross, branch off, or touch each other (there are exceptions).
- When contour lines cross streams they point towards the higher elevation.
- If a contour line is close to the perimeter of the map & does not form an enclosed circle, continue it to the edge of the map.
- Use a pencil to draw the contour lines and if you make a mistake, erase You could also complete the map digitally.
Helpful tips:
- Before you start drawing contours lines, note the location of the highest elevation, the lowest elevation, any water bodies, and the contour interval.
- It is usually easier to start with the contour line that has the lowest elevation.
- Only work on one contour line at a time!
Figure 2.21: Elevation points to practice drawing contour lines. (CC-BY 4.0; Cynthia Lampe, own work).
- With a pencil (or digitally), draw in contour lines on Figure 2.21 using a 10-foot contour interval.
- Answer the following questions based on the contour map you have completed,
- In what direction does the stream flow?
- How were you able to determine the direction?
- What is the distance from the highest hill to point B.?
- How were you able to determine point B is near a hill?
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