1. How can a Topographic Profile be Constructed?
Today’s Objective:
How can a Topographic Profile be Constructed?
Do Now:
There is a mistake on this topographic map. Identify the mistake and explain why it is wrong.

2. View of island from the side. View of island from above.
This would be the topographic profile of the island.
View of island from above.
This would be the topographic map of the island.

3. Contour Profile
- The shape you would see if the land were sliced vertically along a line between two points on a topographic map

4. A map, A graph How to draw a topographic profile… First you need
Scrap paper
First you need
A map,
Scrap paper
&
A graph

5. Line your scrap paper up to the correct line on the map.
Step 1 –
Line your scrap paper up to the correct line on the map.

6. Scrap paper
Step 2 –
On your scrap paper, mark off where all the contour lines meet the paper

7. Scrap paper
Step 3 –
Label each tick mark on your scrap paper with the correct elevation from the map 1 2 3 4 5 6 6 6 6 5 4 3 2 1

8. Move your scrap paper to the bottom of the graph
Step 4 –
Move your scrap paper to the bottom of the graph

9. Step 5 –
Go straight up from the first tick mark and place a dot on the graph at the appropriate height.

10. Repeat for each tick mark
Step 6 –
Repeat for each tick mark

11. Connect each dot with a smooth line
Step 7 –
Connect each dot with a smooth line

12. Now you try . . .