\begin{table}%t2
\par
\begin{threeparttable}
\caption {\label{Talpha3D}Kinematic results for $\tilde\alpha$ and $\tilde\eta_{\rm t}$
for purely hydrodynamic 
($\tilde{N}_{\rm M}=0$),
purely magnetic ($\tilde{N}_{\rm K}=0$),
and hydromagnetic Roberts forcing.}
\vspace{12pt}
\begin{tabular}{@{\hspace{4pt}}c@{\hspace{6pt}}c@{\hspace{8pt}}c@{\hspace{8pt}}c@{\hspace{8pt}}c@{\hspace{8pt}}c@{\hspace{8pt}}l@{\hspace{4pt}}}
\hline\hline
\noalign{\smallskip}
$\tilde{N}_{\rm K}$ & $\tilde{N}_{\rm M}$ & $\tilde\alpha(k_z=0)$ 
& $\tilde\alpha$ & $\tilde\alpha^\QK$ 
& $\tilde\eta_{\rm t}$ & $\tilde\eta_{\rm t}^\QK$ \\[1mm]
\hline\\[-2mm]
%NK      NM    alpha(z=0)        alpha               alphaQK                               etat              etatQK	
1           & 0 &  $-0.0857$    &$-0.0569$     & $-0.0569$                      & $0.0399$  &$0.0399$ \\
0           & 1 &  $\ivm0.2499$   &$\ivm0.1684$    & $\ivm0.0000$  & $0.1188$  &$0.0000$ \\[3pt]
%
3.364   & 0 &  $-0.7330$    &$-0.4734$     & $-0.4734$                      & $0.3087$  &$0.3087$ \\
%0           & 2 &  $+0.8632$   &$+0.5958$    & $\phantom{-}0.0000$  & $0.4188$  &$0.0000$ \\
%3.364   & 2 &  $+0.0300$   &$+0.0952$    & $-0.4734$                     & $0.6784$  &$0.3087$ \\[4pt] 
%
0           & 1.942 &  $\ivm0.8219    $   &$\ivm0.5664$    & $\ivm0.0000$  & $0.3983$  &$0.0000$ \\
3.364   & 1.942 &  $-0.0081$   &$\ivm0.0664$    &                     $-0.4734$  & $0.6604$  &$0.3086$ \\[4pt] 
%                               -0.00805
3.364   & 0 &  $-1.0002$    &$-0.6668$     & $-0.6666$  & $0.4715$  &$0.4714$\tablefootmark{1}\\
%0           & 2 &  $+1.0607$   &$+0.7071$    & $\phantom{-}0.0000$  & $0.5000$  &$0.0000$ \tnote{1}\\		
%3.364   & 2 &  $+0.0604$   &$+0.0403$    & $\phantom{-}0.0000$  & $0.9715$  &$0.0000$  \tnote{1}\\[4pt] 
%
0          & 1.942 &  $\ivm1.0000$  & $\ivm0.6666$  & $\ivm0.0000$  & $0.4714$  &$0.0000$\tablefootmark{1}\\
3.364  & 1.942 &   $-4\times 10^{-6}$&     $\ivm2\times 10^{-5}$        & $-0.6666$  & $0.9428$  &$0.4714$\tablefootmark{1}
\\[1mm]
\hline
\end{tabular}
\end{threeparttable}
\tablefoot{\tablefoottext{1}{With SOCA.} Test-field wavenumber $k_z=1$,
except in the third column where $k_z=0$.
These results agree with those of the imposed-field method.
$\tilde\alpha^\QK$ and $\tilde\eta_{\rm t}^\QK$ refer to the quasi-kinematic method.
}
\end{table}