- Timestamp:
- 2013-07-24T11:48:35+02:00 (11 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
branches/2013/dev_r3853_CNRS9_ConfSetting/DOC/TexFiles/Chapters/Chap_TRA.tex
r3764 r3989 1 1 % ================================================================ 2 % Chapter 1 ÑOcean Tracers (TRA)2 % Chapter 1 � Ocean Tracers (TRA) 3 3 % ================================================================ 4 4 \chapter{Ocean Tracers (TRA)} … … 137 137 \textit{effective} velocity ($i.e.$ the sum of the eulerian and eiv velocities) which is used. 138 138 139 The choice of an advection scheme is made in the \textit{ nam\_traadv} namelist, by139 The choice of an advection scheme is made in the \textit{\ngn{nam\_traadv}} namelist, by 140 140 setting to \textit{true} one and only one of the logicals \textit{ln\_traadv\_xxx}. The 141 141 corresponding code can be found in the \textit{traadv\_xxx.F90} module, where … … 441 441 %------------------------------------------------------------------------------------------------------------- 442 442 443 Options are defined through the \ngn{namtra\_ldf} namelist variables. 443 444 The options available for lateral diffusion are a laplacian (rotated or not) 444 445 or a biharmonic operator, the latter being more scale-selective (more … … 602 603 %-------------------------------------------------------------------------------------------------------------- 603 604 605 Options are defined through the \ngn{namzdf} namelist variables. 604 606 The formulation of the vertical subgrid scale tracer physics is the same 605 607 for all the vertical coordinates, and is based on a laplacian operator. … … 757 759 %-------------------------------------------------------------------------------------------------------------- 758 760 761 Options are defined through the \ngn{namtra\_qsr} namelist variables. 759 762 When the penetrative solar radiation option is used (\np{ln\_flxqsr}=true), 760 763 the solar radiation penetrates the top few tens of meters of the ocean. If it is not used … … 879 882 Bottom Water) by a few Sverdrups \citep{Emile-Geay_Madec_OS09}. 880 883 884 Options are defined through the \ngn{namtra\_bbc} namelist variables. 881 885 The presence of geothermal heating is controlled by setting the namelist 882 886 parameter \np{ln\_trabbc} to true. Then, when \np{nn\_geoflx} is set to 1, … … 897 901 %-------------------------------------------------------------------------------------------------------------- 898 902 903 Options are defined through the \ngn{nambbl} namelist variables. 899 904 In a $z$-coordinate configuration, the bottom topography is represented by a 900 905 series of discrete steps. This is not adequate to represent gravity driven … … 1066 1071 where $\gamma$ is the inverse of a time scale, and $T_o$ and $S_o$ 1067 1072 are given temperature and salinity fields (usually a climatology). 1073 Options are defined through the \ngn{namtra\_dmp} namelist variables. 1068 1074 The restoring term is added when the namelist parameter \np{ln\_tradmp} is set to true. 1069 1075 It also requires that both \np{ln\_tsd\_init} and \np{ln\_tsd\_tradmp} are set to true … … 1128 1134 %-------------------------------------------------------------------------------------------------------------- 1129 1135 1136 Options are defined through the \ngn{namdom} namelist variables. 1130 1137 The general framework for tracer time stepping is a modified leap-frog scheme 1131 1138 \citep{Leclair_Madec_OM09}, $i.e.$ a three level centred time scheme associated … … 1205 1212 \citep{Gill1982}. 1206 1213 1214 Options are defined through the \ngn{nameos} namelist variables. 1207 1215 The default option (namelist parameter \np{nn\_eos}=0) is the \citet{JackMcD1995} 1208 1216 equation of state. Its use is highly recommended. However, for process studies, … … 1222 1230 coefficients, and $\rho_o$, the reference volumic mass, $rau0$. 1223 1231 ($\alpha$ and $\beta$ can be modified through the \np{rn\_alpha} and 1224 \np{rn\_beta} namelist parameters). Note that when $d_a$ is a function1232 \np{rn\_beta} namelist variables). Note that when $d_a$ is a function 1225 1233 of $T$ only (\np{nn\_eos}=1), the salinity is a passive tracer and can be 1226 1234 used as such.
Note: See TracChangeset
for help on using the changeset viewer.