\begin{table}%t3 \caption{\label{tab:pdfs_coldens}Same as Table~\ref{tab:pdfs_vol}, but for the PDFs of the column density~$\Sigma$ shown in Fig.~\ref{fig:solcomppdfcoldens}.} %\centering \par \begin{tabular}{lccc} \hline \hline\noalign{\smallskip} ~ & ~ & Solenoidal forcing & Compressive forcing\\ \hline Standardised Moments & $\langle \Sigma \rangle$ & $\phantom{-}1.00\pm0.00$ & $\phantom{-}1.00\pm0.00$\\ of $\Sigma$ & $\sigma_\Sigma$ & $\phantom{-}0.47\pm0.05$ & $\phantom{-}1.74\pm0.43$\\ ~ & $\mathcal{S}_\Sigma$ & $\phantom{-}1.38\pm0.38$ & $\phantom{-}4.57\pm1.44$\\ ~ & $\mathcal{K}_\Sigma$ & $\phantom{-}6.32\pm2.20$ & $\phantom{-}36.8\pm24.3$\\ \hline Standardised Moments & $\langle \eta \rangle$ & $-0.10\pm0.02$ & $-1.00\pm0.33$\\ of $\eta=\ln\left(\Sigma/\langle \Sigma \rangle \right)$ & $\sigma_\eta$ & $\phantom{-}0.46\pm0.06$ & $\phantom{-}1.51\pm0.28$\\ ~ & $\mathcal{S}_\eta$ & $-0.04\pm0.30$ & $-0.17\pm0.29$\\ ~ & $\mathcal{K}_\eta$ & $\phantom{-}2.97\pm0.40$ & $\phantom{-}2.69\pm0.45$\\ \hline Skewed Log-normal Approximation & $\xi$ & $\phantom{-}0.180\pm0.088$ & $\phantom{-}0.717\pm0.102$\\ using equation~(\ref{eq:skew-log-normal}) & $\omega$ & $\phantom{-}0.539\pm0.058$ & $\phantom{-}2.392\pm0.160$\\ ~ & $\alpha$ & $-0.878\pm0.342$ & $-2.371\pm0.300$\\ \hline 4th Order Approximation & $a_0$ & $-0.1524\pm0.0451$ & $-1.4547\pm0.0532$\\ (including skewness and kurtosis) & $a_1$ & $-0.3900\pm0.1080$ & $-0.2902\pm0.0417$\\ using equation~(\ref{eq:skew-kurt-log-normal}) & $a_2$ & $-2.4643\pm0.1994$ & $-0.2669\pm0.0259$\\ ~ & $a_3$ & $-0.1748\pm0.1469$ & $-0.0370\pm0.0080$\\ ~ & $a_4$ & $\phantom{-}0.0204\pm0.1239$ & $-0.0035\pm0.0024$\\ \hline \end{tabular} \vspace*{-2mm}\end{table}