Changes between Version 248 and Version 249 of doc/app/initialization_parameters
- Timestamp:
- Dec 2, 2014 5:30:30 PM (10 years ago)
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doc/app/initialization_parameters
v248 v249 46 46 {{{#!td 47 47 Parameter 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 [# radiationradiation]).\\\\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 [#cloud_top_radiation cloud_top_radiation]).\\\\ 49 49 '''cloud_physics''' = ''.T.'' requires [#humidity humidity] = ''.T.''.\\\\ 50 50 Detailed information about the condensation scheme is given in the description of the [[cloud physics module]] (pdf-file).\\\\ … … 69 69 One-moment cloud microphysics according to Kessler (1969). Steering parameter: [#precipitation precipitation]\\\\ 70 70 Both 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" 77 L 78 }}} 79 {{{#!td style="vertical-align:top" 80 .F. 81 }}} 82 {{{#!td 83 Parameter to switch on longwave radiation cooling at cloud-tops.\\\\ 84 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.''. 71 85 }}} 72 86 |---------------- … … 403 417 '''Attention:'''\\ 404 418 This 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 L412 }}}413 {{{#!td style="vertical-align:top"414 .F.415 }}}416 {{{#!td417 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.''.419 419 }}} 420 420 |----------------