
\def\V{{\bf v}}
\def\ave#1{\overline{#1}}
\def\mave#1{\tilde{#1}}
\def\q{c}

\begin{frame}
 \frametitle{Boundary layer in the "Earth System"}

Example of well indentified uncertainty source in Eart-System models.

The diurnal (seansonal) cycle of plant respiration is modulated by the diurnal (seasonal) cycle of the boundary layer depth


\centerline{\includegraphics[width=0.8\textwidth]{/home/hourdin/PRESENTATIONS/IMAGES/PBL/PDF/rectifier.pdf}}


\end{frame}
