👉 Retrograde gradient, also known as a lateral gradient or topographic gradient, is a type of surface that is oriented in such a way that it appears to be decreasing from one side to another. This effect can occur when the slope of the surface is less steep than the normal, and the gradient is reversed by increasing the slope. For example, if a landscape has a slope that is more steep towards the top of the mountain, then the retrogradient will appear as a topographic gradient in
