Parameters of the rough surface (for electromagnetic scattering)

[Ahmed123]

Dear friends,
I will be grateful if anyone can help me
I study electromagnetic scattering by rough surfaces for a certain case. Each rough surface can be specified with the statistical parameters sigma (σ) and correlation length (lc). while writing my manuscript I drew a schematic representation of a rough surface. one of the reviewers asked me to label these parameters (σ and lc) on the figure. I can't understand how to label these parameters on the figure as they are just statistical parameters that control the surface roughness level. so, can anyone explain to me how to label the statistical parameters of the rough surface?

 

[Baluncore]

You can show the sigma (σ) or RMS as a vertical error bar.
You can show correlation length (lc) as a horizontal bar.
https://www.newfor.net/wp-content/uploads/2015/02/DL15-NEWFOR_Roughness_state_of_the_art.pdf

 

[Spinnor]

Does this paper include relevant graphs?

https://www.researchgate.net/publication/4063873_Electromagnetic_scattering_from_rough_surfaces_with_the_first-_and_second-order_Kirchhoff_approximation_in_high-frequency_limit

From search,

https://www.google.com/search?q=ele...AAXCIAbsCkgEDMS4ymAEAoAEBwAEB&sclient=gws-wiz