# Changeset 543 for palm/trunk/DOC/misc/cloud_physics.tex

Ignore:
Timestamp:
Jul 15, 2010 8:37:45 AM (12 years ago)
Message:

Typos in the documentation of the cloud physics module corrected

File:
1 edited

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 r413 Rieke Heinze \linebreak 14.12.2009 15.07.2010 \end{center} -\frac{\partial \left(\overline u_{j} \overline q\right)}{\partial x_{j}} -\frac{\partial\, \overline{u_{j}^{'} q^{'}}}{\partial x_{j}} +\left(\frac{\partial \overline q}{\partial t}\right)_{\mathrm{RAD}} +\left(\frac{\partial \overline q}{\partial t}\right)_{\mathrm{PREC}} \label{eq:total_water} \end{eqnarray} \left(\frac{\partial \overline q}{\partial t}\right)_{\mathrm{PREC}} & = & \begin{cases} \left(\overline q_{l}-\overline q_{l_{\mathrm{crit}}}\right)\cdot \tau & \left(\overline q_{l}-\overline q_{l_{\mathrm{crit}}}\right)/ \tau & \quad\overline q_{l} > \overline q_{l_{\mathrm{crit}}} \\ 0  & \quad\overline q_{l} \leq \overline q_{l_{\mathrm{crit}}} The precipitation leaves the grid volume immediately if the threshold of the liquid water content $\overline q_{l_{\mathrm{crit}}}=0.5\,\mathrm{g/kg}$ is exceeded. Hence, evaporation of the rain drops does not occur. $\tau$ is a time scale with a value of 0.001\,s. $\tau$ is a retarding time scale with a value of 1000\,s. \newline The influence of the precipitation on the temperature is as follows: