Changes between Version 248 and Version 249 of doc/app/initialization_parameters


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Timestamp:
Dec 2, 2014 5:30:30 PM (10 years ago)
Author:
maronga
Comment:

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  • doc/app/initialization_parameters

    v248 v249  
    4646{{{#!td
    4747Parameter to switch on the condensation scheme.\\\\
    48 For '''cloud_physics''' = ''.T.'', equations for the total water content and the liquid water potential temperature are solved instead of those for specific humidity and potential temperature. Note that a grid volume is assumed to be either completely saturated or completely unsaturated (0%-or-100%-scheme). Precipitation can additionally be switched on with parameter [#precipitation precipitation]. The parameterization of cloud and precipitation physics can be steered with [#cloud_scheme cloud_scheme]. Also cloud-top cooling by longwave radiation can be utilized (see [#radiation radiation]).\\\\
     48For '''cloud_physics''' = ''.T.'', equations for the total water content and the liquid water potential temperature are solved instead of those for specific humidity and potential temperature. Note that a grid volume is assumed to be either completely saturated or completely unsaturated (0%-or-100%-scheme). Precipitation can additionally be switched on with parameter [#precipitation precipitation]. The parameterization of cloud and precipitation physics can be steered with [#cloud_scheme cloud_scheme]. Also cloud-top cooling by longwave radiation can be utilized (see [#cloud_top_radiation cloud_top_radiation]).\\\\
    4949'''cloud_physics''' = ''.T.'' requires [#humidity humidity] = ''.T.''.\\\\
    5050Detailed information about the condensation scheme is given in the description of the [[cloud physics module]] (pdf-file).\\\\
     
    6969      One-moment cloud microphysics according to Kessler (1969). Steering parameter: [#precipitation precipitation]\\\\
    7070Both schemes are based on a 0%-100%-scheme to diagnose the cloud water content and differ in the precipitation process. Therefore, it is not allowed to choose [#cloud_scheme cloud_scheme] = 'seifert_beheng' if precipitation is not allowed ([#precipitation precipitation] = .F.) in order to save computational resources.   
     71}}}
     72|----------------
     73{{{#!td style="vertical-align:top"
     74[=#cloud_top_radiation '''cloud_top_radiation''']
     75}}}
     76{{{#!td style="vertical-align:top"
     77L
     78}}}
     79{{{#!td style="vertical-align:top"
     80.F.
     81}}}
     82{{{#!td
     83Parameter to switch on longwave radiation cooling at cloud-tops.\\\\
     84Long-wave radiation processes are parameterized by the effective emissivity, which considers only the absorption and emission of long-wave radiation at cloud droplets. The radiation scheme can be used only with [#cloud_physics cloud_physics] = ''.T.''.
    7185}}}
    7286|----------------
     
    403417'''Attention:'''\\
    404418This parameter has no effect in case of ocean runs (see [#ocean ocean]), where potential density is used in the buoyancy term (see [#reference_state reference_state] for more details).
    405 }}}
    406 |----------------
    407 {{{#!td style="vertical-align:top"
    408 [=#radiation '''radiation''']
    409 }}}
    410 {{{#!td style="vertical-align:top"
    411 L
    412 }}}
    413 {{{#!td style="vertical-align:top"
    414 .F.
    415 }}}
    416 {{{#!td
    417 Parameter to switch on longwave radiation cooling at cloud-tops.\\\\
    418 Long-wave radiation processes are parameterized by the effective emissivity, which considers only the absorption and emission of long-wave radiation at cloud droplets. The radiation scheme can be used only with [#cloud_physics cloud_physics] = ''.T.''.
    419419}}}
    420420|----------------