Changeset 72 for palm/trunk/DOC/app


Ignore:
Timestamp:
Mar 19, 2007 8:20:46 AM (18 years ago)
Author:
raasch
Message:

preliminary changes for precipitation output

Location:
palm/trunk/DOC/app
Files:
3 edited

Legend:

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Added
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  • palm/trunk/DOC/app/chapter_4.1.html

    r62 r72  
    12451245coagulation of cloud drops among themselves. Precipitation begins and
    12461246is immediately removed from the flow as soon as the liquid water
    1247 content exceeds the critical value of 0.5 g/kg.</p> </td> </tr>
     1247content exceeds the critical value of 0.5 g/kg.</p><p>The precipitation rate and amount can be output by assigning the runtime parameter <a href="chapter_4.2.html#data_output">data_output</a> = <span style="font-style: italic;">'prr*'</span> or <span style="font-style: italic;">'pra*'</span>, respectively. The time interval on which the precipitation amount is defined can be controlled via runtime parameter <a href="chapter_4.2.html#precipitation_amount_interval">precipitation_amount_interval</a>.</p> </td> </tr>
    12481248<tr><td style="vertical-align: top;"><a name="pt_reference"></a><span style="font-weight: bold;">pt_reference</span></td><td style="vertical-align: top;">R</td><td style="vertical-align: top;"><span style="font-style: italic;">use horizontal average as
    12491249refrence</span></td><td style="vertical-align: top;">Reference
  • palm/trunk/DOC/app/chapter_4.2.html

    r61 r72  
    377377"ncdump -c &lt;filename&gt;". See chapter <a href="chapter_4.5.1.html">4.5.1</a> about processing
    378378the PALM NetCDF data.<br><br>The following quantities are
    379 available for output by default:<br><br><table style="text-align: left; width: 576px; height: 481px;" border="1" cellpadding="2" cellspacing="2"><tbody><tr><td style="width: 106px;"><span style="font-weight: bold;">quantity
     379available for output by default (quantity names ending with '*' are only allowed for the output of horizontal cross sections):<br><br><table style="text-align: left; width: 576px; height: 481px;" border="1" cellpadding="2" cellspacing="2"><tbody><tr><td style="width: 106px;"><span style="font-weight: bold;">quantity
    380380name</span></td><td style="width: 196px;"><span style="font-weight: bold;">meaning</span></td><td><span style="font-weight: bold;">unit</span></td><td><span style="font-weight: bold;">remarks</span></td></tr><tr><td style="width: 106px;"><span style="font-style: italic;">e</span></td><td style="width: 196px;">SGS TKE</td><td>m<sup>2</sup>/s<sup>2</sup></td><td></td></tr><tr><td style="width: 106px; vertical-align: top;"><span style="font-style: italic;">lwp*</span></td><td style="width: 196px; vertical-align: top;">liquid water path</td><td style="vertical-align: top;">m</td><td style="vertical-align: top;">only horizontal cross section
    381381is allowed,&nbsp;requires <a href="chapter_4.1.html#cloud_physics">cloud_physics</a>
     
    388388particle/droplet radius </td><td style="vertical-align: top;">m</td><td style="vertical-align: top;">requires that particle
    389389advection is switched on by <span style="font-weight: bold;">mrun</span>-option
    390 "-p particles"</td></tr><tr><td style="width: 106px; vertical-align: top;"><span style="font-style: italic;">pt</span></td><td style="width: 196px; vertical-align: top;">potential
     390"-p particles"</td></tr><tr><td style="vertical-align: top;"><span style="font-style: italic;">pra*</span></td><td style="vertical-align: top;">precipitation amount</td><td style="vertical-align: top;">mm</td><td style="vertical-align: top;">only horizontal cross section
     391is allowed,&nbsp;requires&nbsp;<a href="chapter_4.1.html#precipitation">precipitation</a>
     392= <span style="font-style: italic;">.TRUE., </span>time interval on which amount refers to is defined by <a href="#precipitation_amount_interval">precipitation_amount_interval</a></td></tr><tr><td style="vertical-align: top;"><span style="font-style: italic;">prr*</span></td><td style="vertical-align: top;">precipitation rate</td><td style="vertical-align: top;">mm/s</td><td style="vertical-align: top;">only horizontal cross section
     393is allowed,&nbsp;requires&nbsp;<a href="chapter_4.1.html#precipitation">precipitation</a>
     394= <span style="font-style: italic;">.TRUE.</span></td></tr><tr><td style="width: 106px; vertical-align: top;"><span style="font-style: italic;">pt</span></td><td style="width: 196px; vertical-align: top;">potential
    391395temperature<br></td><td style="vertical-align: top;">K</td><td style="vertical-align: top;"></td></tr><tr><td style="width: 106px; vertical-align: top;"><span style="font-style: italic;">q</span></td><td style="width: 196px; vertical-align: top;">specific humidity
    392396(or total water content, if cloud physics is switched on)</td><td style="vertical-align: top;">kg/kg</td><td style="vertical-align: top;">requires <a href="chapter_4.1.html#moisture">moisture</a> = <span style="font-style: italic;">.TRUE.</span></td></tr><tr><td style="width: 106px; vertical-align: top;"><span style="font-style: italic;">ql</span></td><td style="width: 196px; vertical-align: top;">liquid water
     
    411415the velocity</td><td style="vertical-align: top;">m/s</td><td style="vertical-align: top;"></td></tr><tr><td style="width: 106px; vertical-align: top;"><span style="font-style: italic;">vpt</span></td><td style="width: 196px; vertical-align: top;">virtual potential
    412416temperature</td><td style="vertical-align: top;">K</td><td style="vertical-align: top;">requires <a href="chapter_4.1.html#moisture">moisture</a> = <span style="font-style: italic;">.TRUE.</span></td></tr><tr><td style="width: 106px; vertical-align: top;"><span style="font-style: italic;">w</span></td><td style="width: 196px; vertical-align: top;">w-component of
    413 the velocity</td><td style="vertical-align: top;">m/s</td><td style="vertical-align: top;"></td></tr></tbody></table><br>Multiple
     417the velocity</td><td style="vertical-align: top;">m/s</td><td style="vertical-align: top;"></td></tr><tr><td style="vertical-align: top;"><span style="font-style: italic;">z0*</span></td><td style="vertical-align: top;">roughness length</td><td style="vertical-align: top;">m</td><td></td></tr></tbody></table><br>Multiple
    414418quantities can be assigned, e.g. <span style="font-weight: bold;">data_output</span>
    415419= <span style="font-style: italic;">'e'</span>, <span style="font-style: italic;">'u'</span>, <span style="font-style: italic;">'w'</span>.<br><br>By
     
    15951599</p> <p>For runs with constant eddy diffusivity (see <a href="chapter_4.1.html#km_constant">km_constant</a>),
    15961600this parameter can be used to assign the Prandtl number (ratio K<sub>m</sub>
    1597 / K<sub>h</sub>).</p> </td> </tr> <tr>
     1601/ K<sub>h</sub>).</p> </td> </tr> <tr><td style="vertical-align: top;"><a name="precipitation_amount_interval"></a><span style="font-weight: bold;">precipitation_amount_</span><br style="font-weight: bold;"><span style="font-weight: bold;">interval</span></td><td style="vertical-align: top;">R</td><td style="vertical-align: top;"><i>value of
     1602&nbsp;<a href="chapter_4.2.html#dt_do2d_xy">dt_do2d_<br>xy</a></i></td><td style="vertical-align: top;"><p lang="en-GB"><font face="Thorndale"><font face="Thorndale, serif">Temporal
     1603interval</font> for which the precipitation amount (in mm) shall be calculated and output (</font>in <font face="Thorndale">s).&nbsp;
     1604</font> </p> <p><span lang="en-GB"></span><a href="chapter_4.2.html#data_output"><span lang="en-GB"></span></a><span lang="en-GB"></span><a href="chapter_4.2.html#section_xy"><span lang="en-GB"></span></a><span lang="en-GB"><font face="Thorndale">This
     1605parameter requires <a href="chapter_4.1.html#precipitation">precipitation</a> = <span style="font-style: italic;">.TRUE.</span>.&nbsp;</font></span><span lang="en-GB"></span><span lang="en-GB"><font face="Thorndale"><span style="font-weight: bold;"></span><span style="font-weight: bold;"></span>The interval must be smaller or equal than the output interval for 2d horizontal cross sections given by </font></span><a href="chapter_4.2.html#dt_do2d_xy"><span lang="en-GB"><font face="Thorndale">dt_do2d_xy</font></span></a><span lang="en-GB"><font face="Thorndale">). The output of the precipitation amount also requires setting of <a href="chapter_4.2.html#data_output">data_output</a> =<span style="font-style: italic;"> 'pra*'</span>.<br>
     1606</font></span></p> <span lang="en-GB"></span></td></tr><tr>
    15981607<td style="vertical-align: top;"> <p><a name="profile_columns"></a><b>profile_columns</b></p>
    15991608</td> <td style="vertical-align: top;">I</td>
  • palm/trunk/DOC/app/chapter_4.6.html

    r62 r72  
    975975<td style="vertical-align: middle;"><span style="font-style: italic;">.F.</span></td> <td style="vertical-align: middle;">Parameter to
    976976switch on the
    977 precipitation scheme.</td> </tr> <tr> <td style="vertical-align: middle;" width="15%"> <p><a href="chapter_4.2.html#profile_columns"><b>profile_columns</b></a></p>
     977precipitation scheme.</td> </tr> <tr><td><a style="font-weight: bold;" href="chapter_4.2.html#precipitation_amount_interval">precipitation_amount_<br>interval</a></td><td>R</td><td>R</td><td><i>value
     978of &nbsp;<a href="chapter_4.2.html#dt_do2d_xy">dt_do2d_<br>
     979xy</a></i></td><td><font face="Thorndale"><font face="Thorndale, serif">Temporal
     980interval</font> for which the precipitation amount (in mm) shall be calculated and output (</font>in <font face="Thorndale">s).&nbsp;</font></td></tr><tr> <td style="vertical-align: middle;" width="15%"> <p><a href="chapter_4.2.html#profile_columns"><b>profile_columns</b></a></p>
    978981</td> <td style="vertical-align: middle;" width="5%">
    979982<p>R</p> </td> <td style="vertical-align: middle;" width="7%"> <p>I</p>
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