# TWG **URL:** https://forum.access-hive.org.au/c/cosima/twg/39.md [Latest](https://forum.access-hive.org.au/latest.md) · [Categories](https://forum.access-hive.org.au/categories.md) · [Tags](https://forum.access-hive.org.au/tags.md) --- ## [COSIMA TWG Announce](https://forum.access-hive.org.au/t/cosima-twg-announce/401)
**Author:** [@micael](https://forum.access-hive.org.au/u/micael)\ **Replies:** 95\ **Last updated:** [22 September 2026 22:53 UTC](https://forum.access-hive.org.au/t/cosima-twg-announce/401 "2026-09-22T22:53:30Z")
COSIMA Technical Working Group (TWG) announcements topic Useful links/information: COSIMA TWG Meetings: Held fortnightly on Wednesdays, at 3pm. Zoom details: Join Zoom Meeting Zoom Meeting ID: 881 5048 6976, Passwo… --- ## [About the TWG category](https://forum.access-hive.org.au/t/about-the-twg-category/395)
**Author:** [@Aidan](https://forum.access-hive.org.au/u/Aidan)\ **Replies:** 0
The COSIMA Technical Working Group (TWG) coordinates software development for the COSIMA model suite. The COSIMA TWG is chaired by @micael and anyone with an interest in the technical development of COSIMA models is wel… --- ## [COSIMA TWG Meeting Minutes 2026](https://forum.access-hive.org.au/t/cosima-twg-meeting-minutes-2026/5906)
**Author:** [@minghangli](https://forum.access-hive.org.au/u/minghangli)\ **Replies:** 17\ **Last updated:** [9 September 2026 11:28 UTC](https://forum.access-hive.org.au/t/cosima-twg-meeting-minutes-2026/5906 "2026-09-09T11:28:41Z")
Date: 14 Jan 2026 Attendees: @sofarrell, @AndyHoggANU, @aekiss, @kieranricardo, @MartinDix, @helen, @NoahDay, @anton, @ashjbarnes, @dougiesquire Chair: @cbull Minutes: @minghangli 1. Regional Ocean Model Automation P… --- ## [COSIMA TWG Meeting Minutes 2025](https://forum.access-hive.org.au/t/cosima-twg-meeting-minutes-2025/4067)
**Author:** [@cbull](https://forum.access-hive.org.au/u/cbull)\ **Replies:** 26\ **Last updated:** [18 December 2025 00:33 UTC](https://forum.access-hive.org.au/t/cosima-twg-meeting-minutes-2025/4067 "2025-12-18T00:33:05Z")
Minutes for 2025, please set new posts to ‘Wiki’ for easier editing. Previous TWG minutes: COSIMA TWG Announce 2024 TWG minutes: COSIMA TWG Meeting Minutes 2024 2025 OSIT minutes: https://forum.access-hive.org.au/t/nri… --- ## [MOM6 Error | btstep: eta has dropped below bathyT](https://forum.access-hive.org.au/t/mom6-error-btstep-eta-has-dropped-below-bathyt/869)
**Author:** [@john\_reilly](https://forum.access-hive.org.au/u/john_reilly)\ **Replies:** 14\ **Last updated:** [16 December 2025 04:47 UTC](https://forum.access-hive.org.au/t/mom6-error-btstep-eta-has-dropped-below-bathyt/869 "2025-12-16T04:47:09Z")
Running MOM6 on Setonix, starting from 1970-01-01, with IAF forcing, I receive this warming/error combo: WARNING from PE 2726: btstep: eta has dropped below bathyT: -2.0273254780607175E+02 vs. -1.6440260515351190E+02… --- ## [NRI Antarctic ice shelf development minutes](https://forum.access-hive.org.au/t/nri-antarctic-ice-shelf-development-minutes/4133)
**Author:** [@Wilton\_Aguiar](https://forum.access-hive.org.au/u/Wilton_Aguiar)\ **Replies:** 3\ **Last updated:** [30 April 2025 05:39 UTC](https://forum.access-hive.org.au/t/nri-antarctic-ice-shelf-development-minutes/4133 "2025-04-30T05:39:37Z")
Feb 7th /2025 minutes Present: @cbull @Wilton\_Aguiar @claireyung @fabiobdias @adele157 @helen @aekiss @angus-g @AndyHoggANU Not present: @ezhilsabareesh8 Four main topics were discussed in this last meeting. Here is… --- ## [Creating a regional ACCESS-OM3](https://forum.access-hive.org.au/t/creating-a-regional-access-om3/3979)
**Author:** [@Paul.Gregory](https://forum.access-hive.org.au/u/Paul.Gregory)\ **Replies:** 19\ **Last updated:** [20 February 2025 00:05 UTC](https://forum.access-hive.org.au/t/creating-a-regional-access-om3/3979 "2025-02-20T00:05:24Z")
A new thread to help build a regional ACCESS-OM3 configuration using MOM6 and NUOCPY. Progress so far. Firstly you want to get Spack installed: https://access-hive.org.au/getting\_started/spack/ Then to build using Sp… --- ## [COSIMA TWG Meeting Minutes 2024](https://forum.access-hive.org.au/t/cosima-twg-meeting-minutes-2024/1734)
**Author:** [@aekiss](https://forum.access-hive.org.au/u/aekiss)\ **Replies:** 19\ **Last updated:** [4 December 2024 02:34 UTC](https://forum.access-hive.org.au/t/cosima-twg-meeting-minutes-2024/1734 "2024-12-04T02:34:03Z")
Summary from TWG meeting today - please correct and elaborate as needed. Date: 2024-01-17 Attendees: Micael Oliveira @micael Ezhil Kannadasan @ezhilsabareesh8 Siobhan O’Farrell @sofarrell Anton Steketee @anton Harshu… --- ## [Ocean Team Workshop (12-15th November, 2024)](https://forum.access-hive.org.au/t/ocean-team-workshop-12-15th-november-2024/3857)
**Author:** [@cbull](https://forum.access-hive.org.au/u/cbull)\ **Replies:** 13\ **Last updated:** [28 November 2024 01:12 UTC](https://forum.access-hive.org.au/t/ocean-team-workshop-12-15th-november-2024/3857 "2024-11-28T01:12:50Z")
ACCESS-NRI Ocean Team Workshop (12-15th November, 2024) Location: ACCESS-NRI, executive board room. Canberra. (Backup: @AndyHoggANU’s office and Hales seminar room, RSES) Purpose Reflect, plan and coordinate the develo… --- ## [Intake catalog not locating experiment in cj50](https://forum.access-hive.org.au/t/intake-catalog-not-locating-experiment-in-cj50/2298)
**Author:** [@ongqingyee](https://forum.access-hive.org.au/u/ongqingyee)\ **Replies:** 5\ **Last updated:** [19 August 2024 04:50 UTC](https://forum.access-hive.org.au/t/intake-catalog-not-locating-experiment-in-cj50/2298 "2024-08-19T04:50:16Z")
Hello! I’m modifying some code to use intake catalog, and am unable to access an experiment stored on cj50. I can access it when using the cc.querying\_getvar(), but not when I use intake in the same notebook. Loo… --- ## [ACCESS-OM2 Restart Reproducibility: Bitwise Reproducibility Testing](https://forum.access-hive.org.au/t/access-om2-restart-reproducibility-bitwise-reproducibility-testing/1960)
**Author:** [@Aidan](https://forum.access-hive.org.au/u/Aidan)\ **Replies:** 0\ **Last updated:** [23 March 2024 06:36 UTC](https://forum.access-hive.org.au/t/access-om2-restart-reproducibility-bitwise-reproducibility-testing/1960 "2024-03-23T06:36:14Z")
Intro Restart reproducibility means that a model will produce the same answers regardless of when the model is stopped and restarted (in model time). The classic test for restart reproducibility is that two otherwise … --- ## [Project planning for CMIP7](https://forum.access-hive.org.au/t/project-planning-for-cmip7/1735)
**Author:** [@aekiss](https://forum.access-hive.org.au/u/aekiss)\ **Replies:** 5\ **Last updated:** [31 January 2024 06:08 UTC](https://forum.access-hive.org.au/t/project-planning-for-cmip7/1735 "2024-01-31T06:08:22Z")
As discussed at today’s TWG it would be helpful to have a shared project management overview, particularly as we work towards CMIP7 timelines. Github’s Kanban board doesn’t include a timeline (AFAIK) so is probably unsu… --- ## [COSIMA TWG Meeting Minutes 2023](https://forum.access-hive.org.au/t/cosima-twg-meeting-minutes-2023/399)
**Author:** [@Aidan](https://forum.access-hive.org.au/u/Aidan)\ **Replies:** 15\ **Last updated:** [11 December 2023 01:10 UTC](https://forum.access-hive.org.au/t/cosima-twg-meeting-minutes-2023/399 "2023-12-11T01:10:56Z")
Summary of my notes from the COSIMA TWG meeting today. Please add whatever I’ve missed/misrepresented (this is a wiki post so can be directly edited, or add a comment below to expand or add additional points to topics th… --- ## [Proposed changes to COSIMA TWG meetings](https://forum.access-hive.org.au/t/proposed-changes-to-cosima-twg-meetings/1506)
**Author:** [@micael](https://forum.access-hive.org.au/u/micael)\ **Replies:** 3\ **Last updated:** [1 December 2023 00:25 UTC](https://forum.access-hive.org.au/t/proposed-changes-to-cosima-twg-meetings/1506 "2023-12-01T00:25:33Z")
Dear all, several members of the ACCESS-OM3 development team started fortnightly meetings to discuss ongoing OM3 development work. During the last TWG meeting it was pointed out that these meetings could be of interested… --- ## [Technical requirements for MOM6 node testing](https://forum.access-hive.org.au/t/technical-requirements-for-mom6-node-testing/1052)
**Author:** [@Aidan](https://forum.access-hive.org.au/u/Aidan)\ **Replies:** 6\ **Last updated:** [2 August 2023 06:17 UTC](https://forum.access-hive.org.au/t/technical-requirements-for-mom6-node-testing/1052 "2023-08-02T06:17:24Z")
@angus-g has put out a call for MOM6 model configurations to include in a testing suite when there is an Australian MOM6 “node” https://forum.access-hive.org.au/t/a-call-for-community-model-configurations-that-use-mom6/… --- ## [Ideas for meeting agenda](https://forum.access-hive.org.au/t/ideas-for-meeting-agenda/753)
**Author:** [@Aidan](https://forum.access-hive.org.au/u/Aidan)\ **Replies:** 0\ **Last updated:** [10 May 2023 01:49 UTC](https://forum.access-hive.org.au/t/ideas-for-meeting-agenda/753 "2023-05-10T01:49:26Z")
Use this topic for suggestions for agenda items for the regular TWG meeting --- ## [COSIMA TWG Meeting Minutes 2022](https://forum.access-hive.org.au/t/cosima-twg-meeting-minutes-2022/124)
**Author:** [@dougiesquire](https://forum.access-hive.org.au/u/dougiesquire)\ **Replies:** 4\ **Last updated:** [10 November 2022 04:35 UTC](https://forum.access-hive.org.au/t/cosima-twg-meeting-minutes-2022/124 "2022-11-10T04:35:12Z")
Summary of my notes from the COSIMA TWG meeting today. Please add whatever I’ve missed/misrepresented Date: 2022-11-09 Attendees: Micael Oliveira @micael, Andrew Kiss @aekiss , Russ Fiedler, Paul Leopardi @paulleopardi …