7.2. Methods

Try these first

1. 1.

   What is the primary function of a main canal?

   Hint

   Think about the water source in an irrigation setup.

2. 2.

   Name two types of canal losses.

   Hint

   Consider how water can be lost from the system.

3. 3.

   What type of canal carries water directly to fields?

   • Main canal
   • Distributary canal
   • Branch canal

   Hint

   Consider which canal type handles the last mile delivery.

4. 4.

   True or False: Seepage is the smallest contributor to water loss in canals.

   • True
   • False

   Hint

   Reflect on the types of water loss discussed.

5. 5.

   Given a rural area with poor drainage issues, design a canal and drainage system that minimizes water logging while maximizing crop yield.

   Hint

   Think about soil types and water table levels.

6. 6.

   Discuss the economic and environmental impacts of improper canal lining compared to appropriate lining materials based on case studies.

   Hint

   Compare cases of success versus failure in liner material choices.