# \#R025

**URL:** https://nemo-ocean.discourse.group/tag/r025/176.md

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## [QG Leith viscosity implementation](https://nemo-ocean.discourse.group/t/qg-leith-viscosity-implementation/377)

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**Author:** [@tmwilder](https://nemo-ocean.discourse.group/u/tmwilder)\
**Replies:** 7\
**Last updated:** [9 January 2023 14:28 UTC](https://nemo-ocean.discourse.group/t/qg-leith-viscosity-implementation/377 "2023-01-09T14:28:30Z")

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Hi all, I am currently attempting to implement the QG Leith viscous coefficient in nemo v4.0.4. The choice of v4.0.4 is because there is an ORCA025 setup ready to go, which is not yet the case for v4.2. I am also new to…

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## [DOMAINcfg tool crashes while processing bathymetry](https://nemo-ocean.discourse.group/t/domaincfg-tool-crashes-while-processing-bathymetry/343)

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**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")

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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…

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## [URL for SIREN demo input files?](https://nemo-ocean.discourse.group/t/url-for-siren-demo-input-files/225)

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**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")

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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 But the question is the link to download input files of examples are out of date.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 …

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## [Hourly output when running ORCA025](https://nemo-ocean.discourse.group/t/hourly-output-when-running-orca025/348)

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**Author:** [@fcocetta](https://nemo-ocean.discourse.group/u/fcocetta)\
**Replies:** 3\
**Last updated:** [25 August 2022 14:19 UTC](https://nemo-ocean.discourse.group/t/hourly-output-when-running-orca025/348 "2022-08-25T14:19:49Z")

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Dear all, I run experiments with ORCA025 configuration and I have recently faced problems when setting “1h” as output frequency (both with instantaneous and average output values). The simulation is OK and no problems …