Run D. Contour plot of the spectra E^±(x,k_n) (snapshots) for z⁺ and z⁻ (top and bottom panels, respectively) compensated for k^5/3 in the chromosphere (left panels) and in the corona (right panels). Ordinate: shell number n_s = log ₂(k_n/k₀). Abscissa: coordinate x along the loop in Mm. The contours have different ranges in the chromospheric and coronal layers to highlight their structures better.