# Will the ancillary suite work for paleoclimate configurations?

**URL:** <https://cms-helpdesk.ncas.ac.uk/t/will-the-ancillary-suite-work-for-paleoclimate-configurations/2114>\
**Category:** Unified Model\
**Tags:** ARCHER2\
**Created:** [25 June 2026 15:02 UTC](https://cms-helpdesk.ncas.ac.uk/t/will-the-ancillary-suite-work-for-paleoclimate-configurations/2114 "2026-06-25T15:02:53Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![an25872](https://avatars.discourse-cdn.com/v4/letter/a/ed8c4c/32.png) [@an25872](https://cms-helpdesk.ncas.ac.uk/u/an25872)\
**Post date:** [25 June 2026 15:02 UTC](https://cms-helpdesk.ncas.ac.uk/t/will-the-ancillary-suite-work-for-paleoclimate-configurations/2114/1 "2026-06-25T15:02:53Z")

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Hi all,

Recently, I have been trying to generate the ancillary files required for paleo simulations (e.g. the LGM and Pliocene).

To do it, I copied **u-cc111/GC5\_N96\_ORCA1\_ancils** to **u-dz309** and updated it to run on ARCHER2. I have more or less managed to get it working using the modern master files as input. The next step is to use it to generate ancillary files for paleo intervals. However, I am still not very familiar with the workflow and am unsure whether it will work correctly for paleo configurations.

Is anyone familiar with this ancillary-generation suite and its workflow?

In particular, I am wondering whether there are any ad hoc setting in the suite that were specified for present-day configurations and might therefore be unsuitable for paleo applications.

Any guidance or advice would be greatly appreciated.

Many thanks！

Best,

Zikun

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**Author:** ![RosalynHatcher](https://dub1.discourse-cdn.com/flex013/user_avatar/cms-helpdesk.ncas.ac.uk/rosalynhatcher/32/11_2.png) [@RosalynHatcher](https://cms-helpdesk.ncas.ac.uk/u/RosalynHatcher)\
**Post date:** [17 July 2026 12:00 UTC](https://cms-helpdesk.ncas.ac.uk/t/will-the-ancillary-suite-work-for-paleoclimate-configurations/2114/2 "2026-07-17T12:00:59Z")

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Hi Zikun,

Sorry, for the delay. This is not a suite we’re familiar with. Have you managed to get it to work for your paleo configurations?

Best Regards,  
Ros

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**Author:** ![an25872](https://avatars.discourse-cdn.com/v4/letter/a/ed8c4c/32.png) [@an25872](https://cms-helpdesk.ncas.ac.uk/u/an25872)\
**Post date:** [20 July 2026 14:36 UTC](https://cms-helpdesk.ncas.ac.uk/t/will-the-ancillary-suite-work-for-paleoclimate-configurations/2114/3 "2026-07-20T14:36:29Z")

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Hi Ros,

No worries.

I haven’t started yet, but I’ll give it a try later this week.

Best,

Zikun

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**Author:** ![system](https://europe1.discourse-cdn.com/flex013/uploads/cms_support/original/1X/1fd2411499ffcbc299fe756cd5cdf26e44956558.png) [@system](https://cms-helpdesk.ncas.ac.uk/u/system)\
**Post date:** [19 August 2026 14:36 UTC](https://cms-helpdesk.ncas.ac.uk/t/will-the-ancillary-suite-work-for-paleoclimate-configurations/2114/4 "2026-08-19T14:36:45Z")

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