Figure 2.

Plots of the coupled transport terms in Equation (5a) (solid blue line) and Equation (5b) (dashed lines) are shown for q = e⁻⁷ and e^−X_ξ = e⁻⁵ (dashed green curve) and q = e⁻⁵ and e^−X_ξ = e⁻⁷ (dashed orange curve) with ${\tau }^{-1}={\tau }_0^{-1}{e}^{X_{\theta }/2}$.