Certified Storm Water Operator Practice Exam

What is one method used to control wind erosion?

1. Planting trees in rows

2. Placing snow fences

3. Covering soil with plastic

4. Creating water barriers

The correct answer is: Placing snow fences

One effective method to control wind erosion is placing snow fences. Snow fences are structures designed to slow down the wind and reduce its velocity, which helps in trapping snow and preventing soil erosion. When wind encounters an obstacle like a snow fence, it creates turbulence that allows snow to settle and accumulate, rather than being blown away. This not only helps stabilize the soil in the area but also improves moisture retention, which is beneficial for plant growth. Placing snow fences is particularly advantageous in areas prone to strong winds, as they can effectively alter wind patterns and reduce the amount of airborne soil particles. This method serves a dual purpose by also helping to manage snow accumulation for roadways and fields, demonstrating its versatility in both agricultural and environmental management.