# \#tools **URL:** https://nemo-ocean.discourse.group/tag/tools/105.md [Latest](https://nemo-ocean.discourse.group/latest.md) · [Categories](https://nemo-ocean.discourse.group/categories.md) · [Tags](https://nemo-ocean.discourse.group/tags.md) --- ## [\`DOMAINcfg\` settings \`rn\_e3zps\_min\` and \`rn\_e3zps\_rat\` appear inactive](https://nemo-ocean.discourse.group/t/domaincfg-settings-rn-e3zps-min-and-rn-e3zps-rat-appear-inactive/1045)
**Author:** [@d.stephenson](https://nemo-ocean.discourse.group/u/d.stephenson)\ **Replies:** 0\ **Last updated:** [11 September 2026 10:28 UTC](https://nemo-ocean.discourse.group/t/domaincfg-settings-rn-e3zps-min-and-rn-e3zps-rat-appear-inactive/1045 "2026-09-11T10:28:07Z")
Hello, I’m using a fork of 4.2.2 (here) to set up a “hybrid-resolution” simulation using AGRIF, where an eORCA025 domain is the “child” and the “parent” is coarsened by a factor of 3 (i.e. 0.75 degree), as in described h… --- ## [Output NEMO sections / transects. DIADCT](https://nemo-ocean.discourse.group/t/output-nemo-sections-transects-diadct/1001)
**Author:** [@joakim](https://nemo-ocean.discourse.group/u/joakim)\ **Replies:** 3\ **Last updated:** [17 March 2026 17:47 UTC](https://nemo-ocean.discourse.group/t/output-nemo-sections-transects-diadct/1001 "2026-03-17T17:47:08Z")
Good afternoon I’d like to output the transport through sections from NEMO 4.2. I’ve made the “sections” file using the SECTIONS tool and set ln\_diadct = .true. in the namelist. But when I run, I get an error from XIOS… --- ## [WEIGHTS produces bad values](https://nemo-ocean.discourse.group/t/weights-produces-bad-values/438)
**Author:** [@m-n-o](https://nemo-ocean.discourse.group/u/m-n-o)\ **Replies:** 9\ **Last updated:** [24 February 2026 12:47 UTC](https://nemo-ocean.discourse.group/t/weights-produces-bad-values/438 "2026-02-24T12:47:45Z")
Hello again.) To initialize the model (global ORCA2), I use the global ocean analysis and forecast 1/12 degree data from CMEMS. There are no runtime errors when creating weights using the WEIGHTS tool from the dataset c… --- ## [NEMO diagnostic tools survey](https://nemo-ocean.discourse.group/t/nemo-diagnostic-tools-survey/977)
**Author:** [@smasson](https://nemo-ocean.discourse.group/u/smasson)\ **Replies:** 0\ **Last updated:** [12 January 2026 08:41 UTC](https://nemo-ocean.discourse.group/t/nemo-diagnostic-tools-survey/977 "2026-01-12T08:41:59Z")
Steve Griffies and Carolina Dufour are organizing a discussion on the NEMO analysis toolbox during the upcoming DRAKKAR meeting (January 26–28). To support this discussion, we are gathering information on the analysis t… --- ## [How to make the subbasins.nc file for NEMO 4.2.2?](https://nemo-ocean.discourse.group/t/how-to-make-the-subbasins-nc-file-for-nemo-4-2-2/861)
**Author:** [@joakim](https://nemo-ocean.discourse.group/u/joakim)\ **Replies:** 4\ **Last updated:** [21 November 2025 13:40 UTC](https://nemo-ocean.discourse.group/t/how-to-make-the-subbasins-nc-file-for-nemo-4-2-2/861 "2025-11-21T13:40:40Z")
Good morning I’m setting up a new configuration with NEMO 4.2.2 and generating the domain\_cfg.nc with the DOMAINcfg tool. So far so good, but I’m missing the subbasins.nc file needed to compute zonal means and MOC for t… --- ## [Domain\_cfg in nemo 5 resulting a shift in cell](https://nemo-ocean.discourse.group/t/domain-cfg-in-nemo-5-resulting-a-shift-in-cell/965)
**Author:** [@saad](https://nemo-ocean.discourse.group/u/saad)\ **Replies:** 0\ **Last updated:** [10 November 2025 16:07 UTC](https://nemo-ocean.discourse.group/t/domain-cfg-in-nemo-5-resulting-a-shift-in-cell/965 "2025-11-10T16:07:18Z")
Hello, I am migrating from nemo 3.6 to nemo 5. in my nemo 3.6 namelist, when i would specify: namelist: ppglam0 = -18.125 ! longitude of first raw and column T-point (jphgr\_msh = 1) ppgphi0 = 30… --- ## [Nested configuration with T-S damping enabled in parent](https://nemo-ocean.discourse.group/t/nested-configuration-with-t-s-damping-enabled-in-parent/962)
**Author:** [@davidegregg](https://nemo-ocean.discourse.group/u/davidegregg)\ **Replies:** 0\ **Last updated:** [4 November 2025 13:43 UTC](https://nemo-ocean.discourse.group/t/nested-configuration-with-t-s-damping-enabled-in-parent/962 "2025-11-04T13:43:26Z")
Triple-nested configuration (v4.2.2) crashes with NaN values in child grid 2 at an early timestep when T-S restoring is enabled in the parent grid only. Crash occurs before parent has completed its first time step. Conf… --- ## [Diadct.f90 problem](https://nemo-ocean.discourse.group/t/diadct-f90-problem/959)
**Author:** [@francesco.tuccia](https://nemo-ocean.discourse.group/u/francesco.tuccia)\ **Replies:** 1\ **Last updated:** [22 October 2025 10:54 UTC](https://nemo-ocean.discourse.group/t/diadct-f90-problem/959 "2025-10-22T10:54:57Z")
Good morning everyone, I am facing some problems setting up some transport sections using the diadct.f90 module. My section\_ijglobal.diadct file reads -68. -54.5 -60. -64.7 00 okstrpond noice ACC\_Drake\_Passag… --- ## [CMIP7 data request to XIOS xml files](https://nemo-ocean.discourse.group/t/cmip7-data-request-to-xios-xml-files/870)
**Author:** [@joakim](https://nemo-ocean.discourse.group/u/joakim)\ **Replies:** 2\ **Last updated:** [15 September 2025 23:27 UTC](https://nemo-ocean.discourse.group/t/cmip7-data-request-to-xios-xml-files/870 "2025-09-15T23:27:53Z")
Good afternoon I’ve been looking for various methods to translate the CMIP7 data request (GitHub - CMIP-Data-Request/CMIP7\_DReq\_Software) to XML files for XIOS for EC-Earth (NEMO 4.2.2 and XIOS 2.5). As NEMO 4.2.x and … --- ## [MPI error while using the DOMAINcfg tool](https://nemo-ocean.discourse.group/t/mpi-error-while-using-the-domaincfg-tool/867)
**Author:** [@navajyoth](https://nemo-ocean.discourse.group/u/navajyoth)\ **Replies:** 3\ **Last updated:** [27 March 2025 14:36 UTC](https://nemo-ocean.discourse.group/t/mpi-error-while-using-the-domaincfg-tool/867 "2025-03-27T14:36:04Z")
I have been trying to create domain files for an eORCA05.L75 configuration for a while. While trying to run the DOMAINcfg tool, I get the following error: forrtl: severe (41): insufficient virtual memory Image … --- ## [Misspelled variable in namelist namdom in configuration namelist](https://nemo-ocean.discourse.group/t/misspelled-variable-in-namelist-namdom-in-configuration-namelist/744)
**Author:** [@ttlin](https://nemo-ocean.discourse.group/u/ttlin)\ **Replies:** 4\ **Last updated:** [13 March 2025 10:16 UTC](https://nemo-ocean.discourse.group/t/misspelled-variable-in-namelist-namdom-in-configuration-namelist/744 "2025-03-13T10:16:37Z")
Hi, I am using DOMAINcfg tool to produce a domain\_cfg file. Here is the error I met ‘misspelled variable in namelist namdom in configuration namelist iostat = 17’. Has anyone ever had this issue\> my namelist\_cfg is a… --- ## [Unable to fill domain\_cfg.nc due to file size limits...?](https://nemo-ocean.discourse.group/t/unable-to-fill-domain-cfg-nc-due-to-file-size-limits/849)
**Author:** [@tmwilder](https://nemo-ocean.discourse.group/u/tmwilder)\ **Replies:** 2\ **Last updated:** [21 February 2025 10:16 UTC](https://nemo-ocean.discourse.group/t/unable-to-fill-domain-cfg-nc-due-to-file-size-limits/849 "2025-02-21T10:16:58Z")
I am trying to create a domain\_cfg.nc file for a high-resolution custom configuration. The domain grid has a size 9000 x 2400 x 31. Part of the error comes from src/domain.F90 and is shown in the ocean.output file cfg\_… --- ## [MPP\_PREP tools deprecated in 4.2.x?](https://nemo-ocean.discourse.group/t/mpp-prep-tools-deprecated-in-4-2-x/757)
**Author:** [@dupontf](https://nemo-ocean.discourse.group/u/dupontf)\ **Replies:** 1\ **Last updated:** [17 September 2024 14:39 UTC](https://nemo-ocean.discourse.group/t/mpp-prep-tools-deprecated-in-4-2-x/757 "2024-09-17T14:39:34Z")
Hi all, I have started using mpp\_optimiz\_zoom\_nc.F90 for preparing in advance best MPI distributions but found out that the code does not seem to have been updated to 4.2.x: missing extended computational grid relative… --- ## [AGRIF - DOMAINcfg generated 1\_domain\_cfg.nc file has 2 exact longitude points](https://nemo-ocean.discourse.group/t/agrif-domaincfg-generated-1-domain-cfg-nc-file-has-2-exact-longitude-points/728)
**Author:** [@murat.gunduz](https://nemo-ocean.discourse.group/u/murat.gunduz)\ **Replies:** 1\ **Last updated:** [17 July 2024 08:37 UTC](https://nemo-ocean.discourse.group/t/agrif-domaincfg-generated-1-domain-cfg-nc-file-has-2-exact-longitude-points/728 "2024-07-17T08:37:54Z")
Dear NEMO users, I am using DOMAINcfg tools (compiled with the key\_agrif) to generate the child bathymetry domain file (i.e. 1\_domain\_cfg.nc). The generated file longitudes have the exact same longitude in the first tw… --- ## [DOMAINcfg tool produces crashed domain and mask files](https://nemo-ocean.discourse.group/t/domaincfg-tool-produces-crashed-domain-and-mask-files/408)
**Author:** [@m-n-o](https://nemo-ocean.discourse.group/u/m-n-o)\ **Replies:** 8\ **Last updated:** [19 February 2024 09:48 UTC](https://nemo-ocean.discourse.group/t/domaincfg-tool-produces-crashed-domain-and-mask-files/408 "2024-02-19T09:48:28Z")
Hello! I’m trying to create a domain and mask files via DOMAINcfg tool. Coordinate mesh\_mask is cut from the ORCA\_R025 (min lat ~ 53 N) and I use GEBCO\_2022 (min lat ~45 N) as a bathymetry data. Input coordinates and b… --- ## [Input data Format](https://nemo-ocean.discourse.group/t/input-data-format/564)
**Author:** [@elsy](https://nemo-ocean.discourse.group/u/elsy)\ **Replies:** 1\ **Last updated:** [29 September 2023 06:58 UTC](https://nemo-ocean.discourse.group/t/input-data-format/564 "2023-09-29T06:58:16Z")
Hi, I’m new in NEMO and try to run the storm surge in global domain using the ERA5 forcing, this data have in the description the scale\_factor and add\_offset. My question is, I want to know if the model use this descript… --- ## [Python tools to open / process NEMO outputs](https://nemo-ocean.discourse.group/t/python-tools-to-open-process-nemo-outputs/305)
**Author:** [@rcaneill](https://nemo-ocean.discourse.group/u/rcaneill)\ **Replies:** 4\ **Last updated:** [4 September 2023 09:57 UTC](https://nemo-ocean.discourse.group/t/python-tools-to-open-process-nemo-outputs/305 "2023-09-04T09:57:16Z")
Hello everyone, I am sure that many of you that use python as programming language are aware of the xgcm package. However NEMO outputs are not directly understandable by xgcm, so some preprocessing is needed. To solve t… --- ## [Gitlab acess and siren](https://nemo-ocean.discourse.group/t/gitlab-acess-and-siren/472)
**Author:** [@rpennel](https://nemo-ocean.discourse.group/u/rpennel)\ **Replies:** 0\ **Last updated:** [5 April 2023 11:38 UTC](https://nemo-ocean.discourse.group/t/gitlab-acess-and-siren/472 "2023-04-05T11:38:40Z")
Hi, not sure at all this is the good place but here is my question. I think I found some issues in the SIREN tool, my goal was to explain it along with a fix in an issue on the NEMO gitlab. Unfortunately, I tried some… --- ## [Creating nested domain from 1\_bathy\_meter.nc](https://nemo-ocean.discourse.group/t/creating-nested-domain-from-1-bathy-meter-nc/387)
**Author:** [@qtqw](https://nemo-ocean.discourse.group/u/qtqw)\ **Replies:** 2\ **Last updated:** [5 November 2022 13:33 UTC](https://nemo-ocean.discourse.group/t/creating-nested-domain-from-1-bathy-meter-nc/387 "2022-11-05T13:33:37Z")
Hi! I am trying to create a nested domain with DOMAINcfg. I want to use bathymetry field from my file 1\_bathy\_meter.nc So I set nn\_bathy = 1 in 1\_namelist\_cfg But it seems that DOMAINcfg ignores 1\_bathy\_meter.nc and … --- ## [Creating nested domains with DOMAINcfg](https://nemo-ocean.discourse.group/t/creating-nested-domains-with-domaincfg/375)
**Author:** [@qtqw](https://nemo-ocean.discourse.group/u/qtqw)\ **Replies:** 3\ **Last updated:** [4 November 2022 09:33 UTC](https://nemo-ocean.discourse.group/t/creating-nested-domains-with-domaincfg/375 "2022-11-04T09:33:39Z")
I use DOMAINcfg to create initial conditions for nested domains, e.g. domain\_cfg.nc and 1\_domain\_cfg.nc files. I found that 1\_domain\_cfg.nc is bigger than 1\_coordinates.nc and 1\_bathy\_meter.nc by 4 points. For example, … --- ## [DOMAINcfg tool crashes while processing bathymetry](https://nemo-ocean.discourse.group/t/domaincfg-tool-crashes-while-processing-bathymetry/343)
**Author:** [@m-n-o](https://nemo-ocean.discourse.group/u/m-n-o)\ **Replies:** 3\ **Last updated:** [17 October 2022 14:10 UTC](https://nemo-ocean.discourse.group/t/domaincfg-tool-crashes-while-processing-bathymetry/343 "2022-10-17T14:10:31Z")
Hi everyone, I’m trying to create nested domain files with DOMAINcfg tool which was compiled with AGRIF and NetCDF4 keys. It crashes without any error message in ocean.output which ends on bathymetry processing whatever… --- ## [URL for SIREN demo input files?](https://nemo-ocean.discourse.group/t/url-for-siren-demo-input-files/225)
**Author:** [@Leo](https://nemo-ocean.discourse.group/u/Leo)\ **Replies:** 4\ **Last updated:** [25 August 2022 10:07 UTC](https://nemo-ocean.discourse.group/t/url-for-siren-demo-input-files/225 "2022-08-25T10:07:46Z")
Dear all, I am trying to set up regional configuration with NEMO using SIREN.I found that refman.pdf in SIREN show how to use it. But the question is the link to download input files of examples are out of date. I have … --- ## [Creating domain file from input bathymetry with DOMAINcfg](https://nemo-ocean.discourse.group/t/creating-domain-file-from-input-bathymetry-with-domaincfg/353)
**Author:** [@qtqw](https://nemo-ocean.discourse.group/u/qtqw)\ **Replies:** 1\ **Last updated:** [25 August 2022 14:29 UTC](https://nemo-ocean.discourse.group/t/creating-domain-file-from-input-bathymetry-with-domaincfg/353 "2022-08-25T14:29:08Z")
I use DOMAINcfg to create initial condidtions for NEMO, e.g. domain\_cfg.nc file. I expect Bathymetry field in bathy\_meter.nc and domain\_cfg.nc to be identical but actually they differ at some points. Is it possible to … --- ## [\[v4.2.x\] How to remap NetCDF files from source grid to target grid](https://nemo-ocean.discourse.group/t/v4-2-x-how-to-remap-netcdf-files-from-source-grid-to-target-grid/276)
**Author:** [@ukocean](https://nemo-ocean.discourse.group/u/ukocean)\ **Replies:** 3\ **Last updated:** [12 April 2022 12:01 UTC](https://nemo-ocean.discourse.group/t/v4-2-x-how-to-remap-netcdf-files-from-source-grid-to-target-grid/276 "2022-04-12T12:01:30Z")
Hi all, There are 3 files in NEMO 4.2: mixing\_power\_pyc.nc, mixing\_power\_bot.nc and mixing\_power\_cri.nc that are not explicitly listed in any namelist under file name. I’d like to map those R2 files to R05 files, but h… --- ## [\[v2\] Interpolation onto the NEMOMED8 curvilinear grid](https://nemo-ocean.discourse.group/t/v2-interpolation-onto-the-nemomed8-curvilinear-grid/262)
**Author:** [@TristanV](https://nemo-ocean.discourse.group/u/TristanV)\ **Replies:** 7\ **Last updated:** [6 April 2022 14:40 UTC](https://nemo-ocean.discourse.group/t/v2-interpolation-onto-the-nemomed8-curvilinear-grid/262 "2022-04-06T14:40:39Z")
Hello everyone, I am looking to interpolate LMDZ-regional output onto the grid of the Mediterranean regional version of NEMO (NEMOMED8) using CDO and bilinear interpolation. I found this well detailed procedure on the … --- ## [\[v4.0.x\] Output predefined resolution from ORCA using \*DOMAINcfg\* tool](https://nemo-ocean.discourse.group/t/v4-0-x-output-predefined-resolution-from-orca-using-domaincfg-tool/221)
**Author:** [@chb](https://nemo-ocean.discourse.group/u/chb)\ **Replies:** 1\ **Last updated:** [11 March 2022 17:04 UTC](https://nemo-ocean.discourse.group/t/v4-0-x-output-predefined-resolution-from-orca-using-domaincfg-tool/221 "2022-03-11T17:04:43Z")
Hi all, I’ve recently started trying to build NEMO4.0. Is it possible to output the domain\_cfg for the predefined resolutions of the ORCA tripolar grid using the DOMAINcfg tool? I’ve tried to follow the process outlined… --- ## [How to spin-up ORCA2\_ICE\_PISCES from restart files, even with icebergs](https://nemo-ocean.discourse.group/t/how-to-spin-up-orca2-ice-pisces-from-restart-files-even-with-icebergs/213)
**Author:** [@Jin](https://nemo-ocean.discourse.group/u/Jin)\ **Replies:** 4\ **Last updated:** [17 February 2022 02:46 UTC](https://nemo-ocean.discourse.group/t/how-to-spin-up-orca2-ice-pisces-from-restart-files-even-with-icebergs/213 "2022-02-17T02:46:18Z")
Dear all, Hello, I am a beginner. I’m trying to spin-up ORCA2\_ICE\_PISCES from restart files(during about 150-200 years). I have some question. Question on restart files After NEMO has run for 1 year, a series of res… --- ## [\[v4.0.x\] Creating restart files from AGRIF nest](https://nemo-ocean.discourse.group/t/v4-0-x-creating-restart-files-from-agrif-nest/104)
**Author:** [@robinson](https://nemo-ocean.discourse.group/u/robinson)\ **Replies:** 11\ **Last updated:** [19 July 2021 09:46 UTC](https://nemo-ocean.discourse.group/t/v4-0-x-creating-restart-files-from-agrif-nest/104 "2021-07-19T09:46:17Z")
Dear all, I am trying to create restart files for my AGRIF nest, I use the agrif\_create\_restart.exe tool, and at first it seems to work: some fields are indeed created and they look good (i.e.: they look like an interpo… --- ## [Harmonic analysis on observation datasets](https://nemo-ocean.discourse.group/t/harmonic-analysis-on-observation-datasets/91)
**Author:** [@Nicolas\_Gonzalez](https://nemo-ocean.discourse.group/u/Nicolas_Gonzalez)\ **Replies:** 1\ **Last updated:** [17 June 2021 14:12 UTC](https://nemo-ocean.discourse.group/t/harmonic-analysis-on-observation-datasets/91 "2021-06-17T14:12:55Z")
Dear all, I am currently using the harmonic analysis of tidal constituents implemented in NEMO (key\_diaharm). I was wondering if this module was recoded in another language (python for example) or if a standalone versio…