2.2. Failed Processes Evaluation

Try these first

1. 1.

   What is diffusion?

   Hint

   Think about how smells spread in a room.

2. 2.

   What does resuspension refer to?

   Hint

   Consider what happens to sediment during a storm.

3. 3.

   What is the main objective of diffusion in sediment?

   • To increase concentration
   • To move from high to low concentration
   • To resist flow

   Hint

   Remember the principles of concentration gradients.

4. 4.

   True or False: Resuspension can pollute water bodies during heavy rainfall.

   • True
   • False

   Hint

   Consider the effects of storms on sediment integrity.

5. 5.

   Given a situation in a lake where a storm causes resuspension of contaminated sediment, what strategies could be employed to mitigate the water quality impact?

   Hint

   Consider both engineering solutions and natural methods.

6. 6.

   Model a scenario where bioturbation is affecting chemical transport differently than diffusion alone. What factors might you need to consider?

   Hint

   Think about how bioactivity interacts with environmental conditions.