
\usepackage{graphicx}


\def\grad{{\mbox{\bf grad}}}

\def\dix#1{10$^{#1}$}
%\def\m#1{$^{-#1}$}

\def\deg{^{o}}

\def\eg{e.~g.}
\def\dep#1{\left(#1\right)}
\def\depb#1{\left[#1\right]}
\def\dem{1/2}
\def\eq#1{Eq.~\ref{eq:#1}}
\def\eqb#1{(\ref{eq:#1})}
\def\fig#1{Fig.~\ref{fg:#1}}
\def\tb#1{Table~\ref{tb:#1}}
\def\sec#1{Section~\ref{sec:#1}}
\def\ch#1{Chapitre~\ref{ch:#1}}
\def\dt#1{\frac{\partial #1}{\partial t}}
\def\ave#1{\overline{#1}}
\def\mave#1{\tilde{#1}}

\newcommand{\dg}[1]{\ensuremath{#1^\circ}}
\newcommand{\ms}[1]{\ensuremath{#1\mbox{ m$\,$s}^{-1}}}
\newcommand{\tauq}{\ensuremath{\tau_{\msbox{q}}}}
\newcommand{\days}[1]{\ensuremath{#1\mbox{ d}}}
\newcommand{\beq}{\begin{equation}}
\newcommand{\eeq}{\end{equation}}
\newcommand{\beqnar}{\begin{eqnarray}}
\newcommand{\eeqnar}{\end{eqnarray}}
\newcommand{\za}[1]{\left[\,#1\,\right]}
\newcommand{\pt}{\ensuremath{\mbox{.}}}
\newcommand{\cm}{\ensuremath{\mbox{,}}}
\newcommand{\taurel}{\ensuremath{\tau_{\msbox{rel}}}}
\newcommand{\taudiss}{\ensuremath{\tau_{\msbox{diss}}}}
\newcommand{\taueddy}{\ensuremath{\tau_{\msbox{eddy}}}}





\def\kz{K_z}
\def\div#1{{\mbox{div}}\dep{#1}}

\def\der#1#2{\frac{\partial #1}{\partial #2}}






