\section{Atmospheric Intermediate Physics: AIM}
\label{sec:pkg:aim}
\begin{rawhtml}
<!-- CMIREDIR:package_aim: -->
\end{rawhtml}

Note:
 {\it kpg/aim} corresponds to an old version of the AIM physics (release.1).
 The folowing document below describes the more recent {\it aim\_v23} package
 that is based on the version v23 of the SPEEDY code (\cite{molteni:03}).

\subsection{Key subroutines, parameters and files}
\label{sec:pkg:aim:implementation}