Which of the following factors does not influence wind erosion?

Slope length does not directly influence wind erosion in the same manner as the other factors listed. Wind erosion primarily occurs when strong winds blow across dry, loose soil, and is significantly affected by the conditions that either promote or inhibit the movement of particles.

Soil moisture plays a crucial role in wind erosion because wet soil tends to clump together, making it more stable and less susceptible to being carried away by wind. Vegetation cover is also vital, as plants reduce wind speed at the surface and help anchor the soil with their roots, minimizing erosion potential. Wind speed is a direct factor in the erosion process; higher wind speeds can lift and transport more soil particles, increasing the rates of erosion.

While slope length does impact water erosion due to gravity affecting runoff, it does not play a significant role in the mechanics of wind erosion, which is primarily influenced by the strength of the wind and the conditions of the soil and vegetation.