2.2. Types of Canal Alignment

Try these first

1. 1.

   What is a contour canal?

   Hint

   Think of the lines on a topographic map.

2. 2.

   Which type of canal runs along a watershed?

   Hint

   What do you think a watershed collects?

3. 3.

   What type of canal is aligned along the contour lines of the land?

   • A) Ridge Canal
   • B) Contour Canal
   • C) Side Slope Canal

   Hint

   Recall the definition of contour.

4. 4.

   True or False: Valley canals do not require cross-drainage works.

   • True
   • False

   Hint

   Think about how water enters valleys.

5. 5.

   Design a simple irrigation layout using different types of canal alignments for a hilly farm.

   Hint

   Think about the geography and the water needs of the crops.

6. 6.

   Discuss how climate change impacts the effectiveness of valley canals under extreme weather conditions.

   Hint

   Consider both heavy rains and dry spells.