Changes between Version 54 and Version 55 of doc/app/land_surface_parameters


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Timestamp:
Jun 30, 2017 11:55:37 AM (8 years ago)
Author:
maronga
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  • doc/app/land_surface_parameters

    v54 v55  
    44Since r1551 a full land surface model (LSM) is available in PALM. It consists of a four layer soil model, predicting soil temperature and moisture content, and a solver for the energy balance at the surface. Moreover, a liquid water reservoir accounts for the presence of liquid water on plants due to dew/fog. The implementation is based on the ECMWF-IFS land surface parametrization (TESSEL) and its adaption in the DALES model. More more details, see [wiki:doc/tec/lsm land surface model documentation].
    55
    6 All parts of the LSM code are modularized in module [/browser/palm/trunk/SOURCE/land_surface_model.f90 land_surface_model_mod]. In this context, a new Fortran NAMELIST {{{lsm_par}}} was added, containing all LSM-related steering parameters. The LSM is automatically activated when a {{{lsm_par}}} is set in the parameter file ({{{_p3d}}}). The user can easily set all relevant LSM parameters by choosing between 3 different surface types (vegetation, pavement, water) and various pre-defined surface classes 17 pre-defined [#vegetation_type vegetation types], 7 pre-defined [#pavement_type pavement types], 4 pre-defined [#water_type water types], and 6 different [#soil_type soil types]. The default setting of the LSM is a soil of medium porosity covered to 85% with short grass. It is also possible to modify the pre-defined vegetation/soil types by overwriting some of the parameters. Moreover it is possible to create user-defined vegetation and soil types from scratch.
     6All parts of the LSM code are modularized in module [/browser/palm/trunk/SOURCE/land_surface_model.f90 land_surface_model_mod]. In this context, a new Fortran NAMELIST {{{lsm_par}}} was added, containing all LSM-related steering parameters. The LSM is automatically activated when a {{{lsm_par}}} is set in the parameter file ({{{_p3d}}}). The user can easily set all relevant LSM parameters by choosing between 3 different surface types (vegetation, pavement, water) and various pre-defined surface classes 17 pre-defined [#vegetation_type vegetation types], 7 pre-defined [#pavement_type pavement type]s, 4 pre-defined [#water_type water types], and 6 different [#soil_type soil types]. The default setting of the LSM is a soil of medium porosity covered to 85% with short grass. It is also possible to modify the pre-defined vegetation/soil types by overwriting some of the parameters. Moreover it is possible to create user-defined vegetation and soil types from scratch.
    77
    88A minimum configuration of the LSM requires setting of the parameters [#soil_type soil_type], and [#vegetation_type vegetation_type]. Setting of initial vertical profiles of [#soil_temperature soil_temperature] and [#soil_moisture soil_moisture] is recommended.
     
    204204}}}
    205205{{{#!td style="vertical-align:top"
    206 depending on [=#pavement_type pavement_type]
     206depending on [#pavement_type pavement_type]
    207207}}}
    208208{{{#!td
     
    217217}}}
    218218{{{#!td style="vertical-align:top"
    219 depending on [=#pavement_type pavement_type]
     219depending on [#pavement_type pavement_type]
    220220}}}
    221221{{{#!td
     
    230230}}}
    231231{{{#!td style="vertical-align:top"
    232 depending on [=#pavement_type pavement_type]
     232depending on [#pavement_type pavement_type]
    233233}}}
    234234{{{#!td
     
    258258
    259259(ph_cond: pavement_heat_conductivity, ph_cap: pavement_heat_capacity)
    260 ||= '''pavement_type'''=||='''pavement_depth''' =||='''z0_pavement''' =||='''z0h_pavement''' =||='''ph_cond''' =||='''ph_cap''' =||
     260||= [#pavement_type '''pavement type'''] =||= [#pavement_depth '''pavement_depth'''] =||=[#z0_pavement '''z0_pavement'''] =||= [#z0h_pavement '''z0h_pavement'''] =||='''ph_cond''' =||='''ph_cap''' =||
    261261||  1|| 0.05|| 1.0E-4|| 1.0E-5|| 1.00|| 1.94E6||
    262262||  2|| 0.05|| 1.0E-4|| 1.0E-5|| 1.00|| 1.94E6||