Changeset 14789 for NEMO/branches/2021/dev_r13747_HPC-11_mcastril_HPDAonline_DiagGPU/doc/latex/NEMO/subfiles/chap_misc.tex
- Timestamp:
- 2021-05-05T13:18:04+02:00 (3 years ago)
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- NEMO/branches/2021/dev_r13747_HPC-11_mcastril_HPDAonline_DiagGPU
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NEMO/branches/2021/dev_r13747_HPC-11_mcastril_HPDAonline_DiagGPU
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NEMO/branches/2021/dev_r13747_HPC-11_mcastril_HPDAonline_DiagGPU/doc/latex/NEMO/subfiles/chap_misc.tex
r12377 r14789 6 6 \label{chap:MISC} 7 7 8 \thispagestyle{plain}9 10 8 \chaptertoc 11 9 … … 14 12 {\footnotesize 15 13 \begin{tabularx}{\textwidth}{l||X|X} 16 Release & Author(s) & Modifications\\14 Release & Author(s) & Modifications \\ 17 15 \hline 18 {\em 4.0} & {\em ...} & {\em ...} \\ 19 {\em 3.6} & {\em ...} & {\em ...} \\ 20 {\em 3.4} & {\em ...} & {\em ...} \\ 21 {\em <=3.4} & {\em ...} & {\em ...} 16 {\em X.X} & {\em Pierre Mathiot} & {Update of the closed sea section} \\ 17 {\em 4.0} & {\em ... } & {\em ... } \\ 18 {\em 3.6} & {\em ... } & {\em ... } \\ 19 {\em 3.4} & {\em ... } & {\em ... } \\ 20 {\em <=3.4} & {\em ... } & {\em ... } 22 21 \end{tabularx} 23 22 } … … 109 108 \end{figure} 110 109 111 \begin{figure}[!tbp]112 \centering113 \includegraphics[width=0.66\textwidth]{MISC_closea_mask_example}114 \caption[Mask fields for the \protect\mdl{closea} module]{115 Example of mask fields for the \protect\mdl{closea} module.116 \textit{Left}: a closea\_mask field;117 \textit{Right}: a closea\_mask\_rnf field.118 In this example, if \protect\np{ln_closea}{ln\_closea} is set to \forcode{.true.},119 the mean freshwater flux over each of the American Great Lakes will be set to zero,120 and the total residual for all the lakes, if negative, will be put into121 the St Laurence Seaway in the area shown.}122 \label{fig:MISC_closea_mask_example}123 \end{figure}124 125 110 %% ================================================================================================= 126 111 \section[Closed seas (\textit{closea.F90})]{Closed seas (\protect\mdl{closea})} 127 112 \label{sec:MISC_closea} 113 114 \begin{listing} 115 \nlst{namclo} 116 \caption{\forcode{&namclo}} 117 \label{lst:namclo} 118 \end{listing} 128 119 129 120 Some configurations include inland seas and lakes as ocean … … 138 129 to zero and put the residual flux into the ocean. 139 130 140 Prior to \NEMO\ 4 the locations of inland seas and lakes was set via 141 hardcoded indices for various ORCA configurations. From \NEMO\ 4 onwards 142 the inland seas and lakes are defined using mask fields in the 143 domain configuration file. The options are as follows. 144 145 \begin{enumerate} 146 \item {{\bfseries No ``closea\_mask'' field is included in domain configuration 147 file.} In this case the closea module does nothing.} 148 149 \item {{\bfseries A field called closea\_mask is included in the domain 150 configuration file and ln\_closea=.false. in namelist namcfg.} In this 151 case the inland seas defined by the closea\_mask field are filled in 152 (turned to land points) at run time. That is every point in 153 closea\_mask that is nonzero is set to be a land point.} 154 155 \item {{\bfseries A field called closea\_mask is included in the domain 156 configuration file and ln\_closea=.true. in namelist namcfg.} Each 157 inland sea or group of inland seas is set to a positive integer value 158 in the closea\_mask field (see \autoref{fig:MISC_closea_mask_example} 159 for an example). The net surface flux over each inland sea or group of 131 The inland seas and lakes are defined using mask fields in the 132 domain configuration file. Special treatment of the closed sea (redistribution of net freshwater or mask those), are defined in \autoref{lst:namclo} and 133 can be trigger by \np{ln_closea}{ln\_closea}\forcode{=.true.} in namelist namcfg. 134 135 The options available are the following: 136 \begin{description} 137 \item[\np{ln_maskcs}{ln\_maskcs}\forcode{ = .true.}] All the closed seas are masked using \textit{mask\_opensea} variable. 138 \item[\np{ln_maskcs}{ln\_maskcs}\forcode{ = .false.}] The net surface flux over each inland sea or group of 160 139 inland seas is set to zero each timestep and the residual flux is 161 distributed over the global ocean (ie. all ocean points where 162 closea\_mask is zero).} 163 164 \item {{\bfseries Fields called closea\_mask and closea\_mask\_rnf are 165 included in the domain configuration file and ln\_closea=.true. in 166 namelist namcfg.} This option works as for option 3, except that if 167 the net surface flux over an inland sea is negative (net 168 precipitation) it is put into the ocean at specified runoff points. A 169 net positive surface flux (net evaporation) is still spread over the 170 global ocean. The mapping from inland seas to runoff points is defined 171 by the closea\_mask\_rnf field. Each mapping is defined by a positive 172 integer value for the inland sea(s) and the corresponding runoff 173 points. An example is given in 174 \autoref{fig:MISC_closea_mask_example}. If no mapping is provided for a 175 particular inland sea then the residual is spread over the global 176 ocean.} 177 178 \item {{\bfseries Fields called closea\_mask and closea\_mask\_emp are 179 included in the domain configuration file and ln\_closea=.true. in 180 namelist namcfg.} This option works the same as option 4 except that 181 the nonzero net surface flux is sent to the ocean at the specified 182 runoff points regardless of whether it is positive or negative. The 183 mapping from inland seas to runoff points in this case is defined by 184 the closea\_mask\_emp field.} 185 \end{enumerate} 186 187 There is a python routine to create the closea\_mask fields and append 188 them to the domain configuration file in the utils/tools/DOMAINcfg directory. 140 distributed over a target area. 141 \end{description} 142 143 When \np{ln_maskcs}{ln\_maskcs}\forcode{ = .false.}, 144 3 options are available for the redistribution (set up of these options is done in the tool DOMAINcfg): 145 \begin{description}[font=$\bullet$ ] 146 \item[ glo]: The residual flux is redistributed globally. 147 \item[ emp]: The residual flux is redistributed as emp in a river outflow. 148 \item[ rnf]: The residual flux is redistributed as rnf in a river outflow if negative. If there is a net evaporation, the residual flux is redistributed globally. 149 \end{description} 150 151 For each case, 2 masks are needed (\autoref{fig:MISC_closea_mask_example}): 152 \begin{description} 153 \item $\bullet$ one describing the 'sources' (ie the closed seas concerned by each options) called \textit{mask\_csglo}, \textit{mask\_csrnf}, \textit{mask\_csemp}. 154 \item $\bullet$ one describing each group of inland seas (the Great Lakes for example) and the target area (river outflow or world ocean) for each group of inland seas (St Laurence for the Great Lakes for example) called 155 \textit{mask\_csgrpglo}, \textit{mask\_csgrprnf}, \textit{mask\_csgrpemp}. 156 \end{description} 157 158 \begin{figure}[!tbp] 159 \centering 160 \includegraphics[width=0.66\textwidth]{MISC_closea_mask_example} 161 \caption[Mask fields for the \protect\mdl{closea} module]{ 162 Example of mask fields for the \protect\mdl{closea} module. 163 \textit{Left}: a \textit{mask\_csrnf} field; 164 \textit{Right}: a \textit{mask\_csgrprnf} field. 165 In this example, if \protect\np{ln_closea}{ln\_closea} is set to \forcode{.true.}, 166 the mean freshwater flux over each of the American Great Lakes will be set to zero, 167 and the total residual for all the lakes, if negative, will be put into 168 the St Laurence Seaway in the area shown.} 169 \label{fig:MISC_closea_mask_example} 170 \end{figure} 171 172 Closed sea not defined (because too small, issue in the bathymetry definition ...) are defined in \textit{mask\_csundef}. 173 These points can be masked using the namelist option \np{ln_mask_csundef}{ln\_mask\_csundef}\forcode{= .true.} or used to correct the bathymetry input file.\\ 174 175 The masks needed for the closed sea can be created using the DOMAINcfg tool in the utils/tools/DOMAINcfg directory. 176 See \autoref{sec:clocfg} for details on the usage of definition of the closed sea masks. 189 177 190 178 %% ================================================================================================= … … 205 193 206 194 \noindent Consider an ORCA1 207 configuration using the extended grid domain configuration file: \ ifile{eORCA1\_domcfg.nc}195 configuration using the extended grid domain configuration file: \textit{eORCA1\_domcfg.nc} 208 196 This file define a horizontal domain of 362x332. The first row with 209 197 open ocean wet points in the non-isf bathymetry for this set is row 42 (\fortran\ indexing) … … 226 214 \noindent Note that with this option, the j-size of the global domain is (extended 227 215 j-size minus \np{open_ocean_jstart}{open\_ocean\_jstart} + 1 ) and this must match the \texttt{jpjglo} value 228 for the configuration. This means an alternative version of \ ifile{eORCA1\_domcfg.nc} must216 for the configuration. This means an alternative version of \textit{eORCA1\_domcfg.nc} must 229 217 be created for when \np{ln_use_jattr}{ln\_use\_jattr} is active. The \texttt{ncap2} tool provides a 230 218 convenient way of achieving this: … … 234 222 \end{cmds} 235 223 236 The domain configuration file is unique in this respect since it also contains the value of \ jp{jpjglo}224 The domain configuration file is unique in this respect since it also contains the value of \texttt{jpjglo} 237 225 that is read and used by the model. 238 226 Any other global, 2D and 3D, netcdf, input field can be prepared for use in a reduced domain by adding the … … 374 362 375 363 When more information is required for monitoring or debugging purposes, the various 376 forms of output can be selected via the \np{sn \_cfctl} structure. As well as simple364 forms of output can be selected via the \np{sn_cfctl}{sn\_cfctl} structure. As well as simple 377 365 on-off switches this structure also allows selection of a range of processors for 378 366 individual reporting (where appropriate) and a time-increment option to restrict … … 382 370 with their default settings: 383 371 384 \begin{ verbatim}372 \begin{forlines} 385 373 sn_cfctl%l_allon = .FALSE. ! IF T activate all options. If F deactivate all unless l_config is T 386 374 sn_cfctl%l_config = .TRUE. ! IF .true. then control which reports are written with the following 387 \end{ verbatim}375 \end{forlines} 388 376 389 377 The first switch is a convenience option which can be used to switch on and off all 390 378 sub-options. However, if it is false then switching off all sub-options is only done 391 if \ texttt{sn_cfctl%l\_config} is also false. Specifically, the logic is:392 393 \begin{ verbatim}379 if \forcode{sn_cfctl%l\_config} is also false. Specifically, the logic is: 380 381 \begin{forlines} 394 382 IF ( sn_cfctl%l_allon ) THEN 395 383 set all suboptions .TRUE. … … 400 388 set all suboptions .FALSE. 401 389 ENDIF 402 \end{ verbatim}390 \end{forlines} 403 391 404 392 Details of the suboptions follow but first an explanation of the stand-alone option: 405 \ texttt{sn_cfctl%l_glochk}. This option modifies the action of the early warning checks406 carried out in \textt {stpctl.F90}. These checks detect probable numerical instabilites393 \forcode{sn_cfctl%l_glochk}. This option modifies the action of the early warning checks 394 carried out in \texttt{stpctl.F90}. These checks detect probable numerical instabilites 407 395 by searching for excessive sea surface heights or velocities and salinity values 408 396 outside a sensible physical range. If breaches are detected then the default behaviour 409 397 is to locate and report the local indices of the grid-point in breach. These indices 410 398 are included in the error message that precedes the model shutdown. When true, 411 \ texttt{sn_cfctl%l_glochk} modifies this action by performing a global location of399 \forcode{sn_cfctl%l_glochk} modifies this action by performing a global location of 412 400 the various minimum and maximum values and the global indices are reported. This has 413 401 some value in locating the most severe error in cases where the first detected error … … 427 415 average tracer value for each passive tracer. Collecting these metrics involves 428 416 global communications and will impact on model efficiency so both these options are 429 disabled by default by setting the respective options, \ texttt{sn\_cfctl%runstat} and430 \ texttt{sn\_cfctl%trcstat} to false. A compromise can be made by activating either or431 both of these options and setting the \ texttt{sn\_cfctl%timincr} entry to an integer417 disabled by default by setting the respective options, \forcode{sn\_cfctl%runstat} and 418 \forcode{sn\_cfctl%trcstat} to false. A compromise can be made by activating either or 419 both of these options and setting the \forcode{sn\_cfctl%timincr} entry to an integer 432 420 value greater than one. This increment determines the time-step frequency at which 433 421 the global metrics are collected and reported. This increment also applies to the … … 440 428 any warning or error messages generated during execution. A \texttt{layout.dat} 441 429 file is also produced which details the MPI-decomposition used by the model. The 442 suboptions: \ texttt{sn\_cfctl%oceout} and \texttt{sn\_cfctl%layout} can be used430 suboptions: \forcode{sn\_cfctl%oceout} and \forcode{sn\_cfctl%layout} can be used 443 431 to activate the creation of these files by all ocean processes. For example, 444 when \ texttt{sn\_cfctl%oceout} is true all processors produce their own version of432 when \forcode{sn\_cfctl%oceout} is true all processors produce their own version of 445 433 \texttt{ocean.output}. All files, beyond the the normal reporting processor (narea == 1), are 446 434 named with a \_XXXX extension to their name, where XXXX is a 4-digit area number (with … … 449 437 systems so bug-hunting efforts using this facility should also utilise the \fortran: 450 438 451 \begin{verbatim} 452 CALL FLUSH(numout) 453 \end{verbatim} 439 \forline|CALL FLUSH(numout)| 454 440 455 441 statement after any additional write statements to ensure that file contents reflect 456 the last model state. Associated with the \ texttt{sn\_cfctl%oceout} option is the457 additional \ texttt{sn\_cfctl%oasout} suboption. This does not activate its own output442 the last model state. Associated with the \forcode{sn\_cfctl%oceout} option is the 443 additional \forcode{sn\_cfctl%oasout} suboption. This does not activate its own output 458 444 file but rather activates the writing of addition information regarding the OASIS 459 445 configuration when coupling via oasis and the sbccpl routine. This information is … … 467 453 http://forge.ipsl.jussieu.fr/nemo/attachment/wiki/Documentation/prtctl_NEMO_doc_v2.pdf}{The 468 454 control print option in NEMO} The switches to activate production of the control sums 469 of trends for either the physics or passive tracers are the \ texttt{sn\_cfctl%prtctl}470 and \ texttt{sn\_cfctl%prttrc} suboptions, respectively. Although, perhaps, of limited use for its455 of trends for either the physics or passive tracers are the \forcode{sn\_cfctl%prtctl} 456 and \forcode{sn\_cfctl%prttrc} suboptions, respectively. Although, perhaps, of limited use for its 471 457 original intention, the ability to produce these control sums of trends in specific 472 458 areas provides another tool for diagnosing model behaviour. If only the output from a 473 459 select few regions is required then additional options are available to activate options 474 for only a simple subset of processing regions. These are: \ texttt{sn\_cfctl%procmin},475 \ texttt{sn\_cfctl%procmax} and \texttt{sn\_cfctl%procincr} which can be used to specify460 for only a simple subset of processing regions. These are: \forcode{sn\_cfctl%procmin}, 461 \forcode{sn\_cfctl%procmax} and \forcode{sn\_cfctl%procincr} which can be used to specify 476 462 the minimum and maximum active areas and the increment. The default values are set 477 463 such that all regions will be active. Note this subsetting can also be used to limit … … 481 467 \end{enumerate} 482 468 483 484 sn_cfctl%l_glochk = .FALSE. ! Range sanity checks are local (F) or global (T). Set T for debugging only 485 sn_cfctl%l_allon = .FALSE. ! IF T activate all options. If F deactivate all unless l_config is T 486 sn_cfctl%l_config = .TRUE. ! IF .true. then control which reports are written with the following 487 sn_cfctl%l_runstat = .FALSE. ! switches and which areas produce reports with the proc integer settings. 488 sn_cfctl%l_trcstat = .FALSE. ! The default settings for the proc integers should ensure 489 sn_cfctl%l_oceout = .FALSE. ! that all areas report. 490 sn_cfctl%l_layout = .FALSE. ! 491 sn_cfctl%l_prtctl = .FALSE. ! 492 sn_cfctl%l_prttrc = .FALSE. ! 493 sn_cfctl%l_oasout = .FALSE. ! 494 sn_cfctl%procmin = 0 ! Minimum area number for reporting [default:0] 495 sn_cfctl%procmax = 1000000 ! Maximum area number for reporting [default:1000000] 496 sn_cfctl%procincr = 1 ! Increment for optional subsetting of areas [default:1] 497 sn_cfctl%ptimincr = 1 ! Timestep increment for writing time step progress info 498 499 469 \begin{forlines} 470 sn_cfctl%l_glochk = .false. ! Range sanity checks are local (F) or global (T). Set T for debugging only 471 sn_cfctl%l_allon = .false. ! IF T activate all options. If F deactivate all unless l_config is T 472 sn_cfctl%l_config = .true. ! IF .true. then control which reports are written with the following 473 sn_cfctl%l_runstat = .false. ! switches and which areas produce reports with the proc integer settings. 474 sn_cfctl%l_trcstat = .false. ! The default settings for the proc integers should ensure 475 sn_cfctl%l_oceout = .false. ! that all areas report. 476 sn_cfctl%l_layout = .false. ! 477 sn_cfctl%l_prtctl = .false. ! 478 sn_cfctl%l_prttrc = .false. ! 479 sn_cfctl%l_oasout = .false. ! 480 sn_cfctl%procmin = 0 ! Minimum area number for reporting [default:0] 481 sn_cfctl%procmax = 1000000 ! Maximum area number for reporting [default:1000000] 482 sn_cfctl%procincr = 1 ! Increment for optional subsetting of areas [default:1] 483 sn_cfctl%ptimincr = 1 ! Timestep increment for writing time step progress info 484 \end{forlines} 500 485 501 486 \subinc{\input{../../global/epilogue}}
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