Changeset 411 for palm/trunk/DOC/app


Ignore:
Timestamp:
Dec 11, 2009 2:15:58 PM (13 years ago)
Author:
heinze
Message:

Large scale vertical motion (subsidence/ascent) can be applied to the prognostic equation for the potential temperature

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

Legend:

Unmodified
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Removed
  • palm/trunk/DOC/app/appendix_a.html

    r376 r411  
    35353535      </td>
    35363536    </tr>
     3537    <tr>
     3538      <td style="vertical-align: top;"><a name="PA0324"></a>PA0324<br>
     3539      </td>
     3540      <td style="vertical-align: top;">Applying large scale vertical motion is not
     3541                          allowed for ocean runs<br>
     3542      </td>
     3543    </tr>
    35373544<tr>
    35383545
  • palm/trunk/DOC/app/chapter_4.1.html

    r407 r411  
    1724917249
    1725017250
    17251 
    17252  
     17251 </tr>
     17252
     17253 <tr>
     17254
     17255 <td style="vertical-align: top;">
     17256     
     17257  <p><a name="ws_vertical_gradient"></a><b>ws_vertical_gradient</b></p>
     17258
     17259 </td>
     17260
     17261  <td style="vertical-align: top;">R (10)</td>
     17262
     17263  <td style="vertical-align: top;"><i>10 * 0.0</i></td>
     17264
     17265  <td style="vertical-align: top;">
     17266     
     17267    <p>Gradient(s) of the profile for the large scale subsidence/ascent velocity
     17268       (in (m/s) / 100 m).&nbsp; </p>
     17269     
     17270      <p>This gradient holds starting from the height&nbsp;
     17271        level defined by <a href="#ws_vertical_gradient_level">ws_vertical_gradient_level</a>
     17272       (precisely: for all uv levels k where zu(k) &gt;
     17273       ws_vertical_gradient_level,
     17274       w_subs(k) is set: w_subs(k) = w_subs(k-1) + dzu(k) * <b>ws_vertical_gradient</b>)
     17275       up to the top boundary or up to the next height level defined
     17276       by <a href="#ws_vertical_gradient_level">ws_vertical_gradient_level</a>.
     17277       A total of 10 different gradients for 11 height intervals (10 intervals
     17278       if <a href="#ws_vertical_gradient_level">ws_vertical_gradient_level</a>(1)
     17279       = <i>0.0</i>) can be assigned. &nbsp;
     17280      </p>
     17281     
     17282      <p>Example:&nbsp; </p>
     17283     
     17284      <ul>
     17285     
     17286        <p><b>ws_vertical_gradient</b>
     17287= <i>-0.002</i>, <i>0.0</i>,&nbsp; <br>
     17288
     17289        <b>ws_vertical_gradient_level</b> = <i>0.0</i>,
     17290        <i>1000.0</i>,</p>
     17291     
     17292      </ul>   
     17293     
     17294      <p>That defines the subsidence/ascent profile to be linear up
     17295         to z = 1000.0 m with a surface value of 0 m/s.
     17296         For z &gt; 1000.0 m up to the top boundary the gradient is <i>0.0</i> (m/s) / 100 m
     17297         (it is assumed that the assigned height levels correspond
     17298         with uv levels).</p>
     17299           
     17300       <p>With an appropriate construction of w_subs the height of the boundary layer z_i
     17301        can be kept approximately constant.</p>
     17302     
     17303   <p><span style="font-weight: bold;">Attention:</span><br>
     17304
     17305      The large scale vertical motion is only applied to the prognostic equation for the potential
     17306      temperature because it cannot be applied to the momentum equations due to incompressibility.
     17307      Thus, the model is not mass consistent.</p>
     17308
     17309
     17310 </td>
     17311
     17312 </tr>
     17313
     17314
     17315 </tr>
     17316
     17317 <tr>
     17318
     17319 <td style="vertical-align: top;">   
     17320     
     17321      <p><a name="ws_vertical_gradient_level"></a><b>ws_vertical_gradient</b>
     17322      <br><b>_level</b></p>
     17323
     17324 </td>
     17325
     17326 <td style="vertical-align: top;">R (10)</td>
     17327
     17328 <td style="vertical-align: top;">
     17329         
     17330      <p><i>10 *</i>&nbsp;
     17331      <span style="font-style: italic;">0.0</span><br>
     17332      </p>
     17333
     17334 </td>
     17335
     17336
     17337 <td style="vertical-align: top;">
     17338           
     17339      <p>Height level from which on the gradient for the subsidence/ascent velocity  defined by
     17340      <a href="#ws_vertical_gradient">ws_vertical_gradient</a>
     17341      is effective (in m).&nbsp; </p>
     17342   
     17343      <p>The height levels have to be assigned in ascending order. The
     17344default values result in a profile which is zero everywhere regardless of the
     17345values of <a href="#ws_vertical_gradient">ws_vertical_gradient</a>.
     17346For the piecewise construction of temperature profiles see <a href="#ws_vertical_gradient">ws_vertical_gradient</a>.</p>
     17347      </td>
     17348
     17349 </tr>
     17350
    1725317351 
    1725417352 
  • palm/trunk/DOC/app/chapter_4.6.html

    r407 r411  
    1514915149
    1515015150 </tr>
     15151
     15152  <tr>
     15153
     15154 <td><a href="chapter_4.1.html#ws_vertical_gradient"><span style="font-weight: bold;">ws_vertical_gradient</span></a></td>
     15155
     15156 <td>I</td>
     15157
     15158 <td>R(10)</td>
     15159
     15160 <td><span style="font-style: italic;">10 * 0.0</span></td>
     15161
     15162 <td>Gradient(s) of the profile for the large scale subsidence/ascent velocity in ((m/s) / 100 m)</td>
     15163
     15164 </tr>
     15165
     15166  <tr>
     15167
     15168 <td><a href="chapter_4.1.html#ws_vertical_gradient_level"><span style="font-weight: bold;">ws_vertical_gradient_level</span></a></td>
     15169
     15170 <td>I</td>
     15171
     15172 <td>R(10)</td>
     15173
     15174 <td><span style="font-style: italic;">10 * 0.0</span></td>
     15175
     15176 <td>Height level from which on the gradient for the subsidence/ascent velocity defined by
     15177     ws_vertical_gradient is effective (in m).</td>
     15178
     15179 </tr>
    1515115180 
    1515215181 <tr>
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