# \#access-esm **URL:** https://forum.access-hive.org.au/tag/access-esm/196.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) --- ## [CM3 Dev-Eval Working group: Meeting minutes](https://forum.access-hive.org.au/t/cm3-dev-eval-working-group-meeting-minutes/5393)
**Author:** [@cbull](https://forum.access-hive.org.au/u/cbull)\ **Replies:** 10\ **Last updated:** [14 September 2026 02:02 UTC](https://forum.access-hive.org.au/t/cm3-dev-eval-working-group-meeting-minutes/5393 "2026-09-14T02:02:32Z")
Meeting guidelines Below are posts for each CM3 Dev-Eval Working group meeting currently focused on CM3. Before each meeting, we’ll create a placeholder post where participants are welcome to post: discussion items; li… --- ## [ESM1.6 Spin-up experiments](https://forum.access-hive.org.au/t/esm1-6-spin-up-experiments/4219)
**Author:** [@cbull](https://forum.access-hive.org.au/u/cbull)\ **Replies:** 0\ **Last updated:** [25 February 2025 02:26 UTC](https://forum.access-hive.org.au/t/esm1-6-spin-up-experiments/4219 "2025-02-25T02:26:44Z")
Introduction CSIRO and ACCESS-NRI have developed, configured and ran the ESM1.6 spin-up experiments for the upcoming cmip7 contribution. This thread is intended to document the exact model executables and forcings used … --- ## [ACCESS-ESM 1.6 job not ending](https://forum.access-hive.org.au/t/access-esm-1-6-job-not-ending/6614)
**Author:** [@WillemH](https://forum.access-hive.org.au/u/WillemH)\ **Replies:** 10\ **Last updated:** [4 August 2026 07:48 UTC](https://forum.access-hive.org.au/t/access-esm-1-6-job-not-ending/6614 "2026-08-04T07:48:06Z")
Hi all, I’ve just begun using ACCESS ESM 1.6 and have run into an issue on my first 5 year test. The model appears to have finished, and the ocean output has already been combined (though not the ice or atmosphere diagn… --- ## [Variable names in ACCESS ESM 1.5](https://forum.access-hive.org.au/t/variable-names-in-access-esm-1-5/6599)
**Author:** [@georgyfalster](https://forum.access-hive.org.au/u/georgyfalster)\ **Replies:** 4\ **Last updated:** [9 July 2026 00:10 UTC](https://forum.access-hive.org.au/t/variable-names-in-access-esm-1-5/6599 "2026-07-09T00:10:57Z")
Hi, I am using ACCESS-MOPPy to CMORise (for the first time) outputs from experiments using the ACCESS-ESM1.5. For this I am following the tutorials to do so in a notebook e.g., ACCESS-MOPPy/notebooks/Tutorial1\_CMORisati… --- ## [Research software engineer position at UMelb](https://forum.access-hive.org.au/t/research-software-engineer-position-at-umelb/6581)
**Author:** [@JulieA](https://forum.access-hive.org.au/u/JulieA)\ **Replies:** 0\ **Last updated:** [30 June 2026 05:31 UTC](https://forum.access-hive.org.au/t/research-software-engineer-position-at-umelb/6581 "2026-06-30T05:31:04Z")
The University of Melbourne has a new 3-year Fixed Term Research Software Engineer :woman\_technologist: :floppy\_disk: :technologist: opening as part of the Centre of Excellence for 21st Century Weather and in particular… --- ## [Exctracting latent heat from the ocean in ACCESS-ESM meltwater experiments](https://forum.access-hive.org.au/t/exctracting-latent-heat-from-the-ocean-in-access-esm-meltwater-experiments/6141)
**Author:** [@Pat](https://forum.access-hive.org.au/u/Pat)\ **Replies:** 0\ **Last updated:** [27 March 2026 09:50 UTC](https://forum.access-hive.org.au/t/exctracting-latent-heat-from-the-ocean-in-access-esm-meltwater-experiments/6141 "2026-03-27T09:50:07Z")
Hi All, I’m interested in performing a suite of meltwater forcing experiments in ACCESS-ESM1.5 ( specifically SOFIA Tier-3 experiments) that account for the latent heat of additional meltwater. I want to extract the ap… --- ## [Issue with ACCESS-ESM ocean output](https://forum.access-hive.org.au/t/issue-with-access-esm-ocean-output/6078)
**Author:** [@Pat](https://forum.access-hive.org.au/u/Pat)\ **Replies:** 4\ **Last updated:** [18 March 2026 02:43 UTC](https://forum.access-hive.org.au/t/issue-with-access-esm-ocean-output/6078 "2026-03-18T02:43:37Z")
Hello, I have performed some experiments with ACCESS-ESM1.5 which for the most part have run smoothly. However in one of the output folders (output\_055) the ocean data doesn’t appear to have been properly processed. The… --- ## [WOMBAT docs](https://forum.access-hive.org.au/t/wombat-docs/6032)
**Author:** [@pearseb](https://forum.access-hive.org.au/u/pearseb)\ **Replies:** 1\ **Last updated:** [13 March 2026 06:13 UTC](https://forum.access-hive.org.au/t/wombat-docs/6032 "2026-03-13T06:13:46Z")
Dear community, I’m very pleased to point you all towards the WOMBAT documentation. This website will continually be updated as the models (WOMBAT-lite and WOMBAT-mid) evolve. But, thanks to ACCESS-NRI, there should … --- ## [Enable meridional ocean tracer transport diagnostics](https://forum.access-hive.org.au/t/enable-meridional-ocean-tracer-transport-diagnostics/5559)
**Author:** [@matthew.chamberlain](https://forum.access-hive.org.au/u/matthew.chamberlain)\ **Replies:** 2\ **Last updated:** [2 February 2026 01:02 UTC](https://forum.access-hive.org.au/t/enable-meridional-ocean-tracer-transport-diagnostics/5559 "2026-02-02T01:02:35Z")
Greetings all, A set of meridional heat and salt transport diagnostics was produced for CMIP6 but the required outputs are currently missing from ESM1.6. The work to enable these outputs is just related to the experime… --- ## [Suite to run ACCESS-AM3](https://forum.access-hive.org.au/t/suite-to-run-access-am3/5512)
**Author:** [@qinggangg](https://forum.access-hive.org.au/u/qinggangg)\ **Replies:** 11\ **Last updated:** [20 November 2025 05:36 UTC](https://forum.access-hive.org.au/t/suite-to-run-access-am3/5512 "2025-11-20T05:36:40Z")
Dear Community I am thinking of running a present-day global atmospheric simulation. I think it would be best to use a low-resolution (~N96) ACCESS-AM model first, as I will not dig into the ocean or biogeochemistry in … --- ## [Are GHG conc. fixed or not in ACCESS-ESM1.5 AMIP configuration](https://forum.access-hive.org.au/t/are-ghg-conc-fixed-or-not-in-access-esm1-5-amip-configuration/5515)
**Author:** [@abhik](https://forum.access-hive.org.au/u/abhik)\ **Replies:** 3\ **Last updated:** [12 November 2025 01:41 UTC](https://forum.access-hive.org.au/t/are-ghg-conc-fixed-or-not-in-access-esm1-5-amip-configuration/5515 "2025-11-12T01:41:40Z")
Hi @spencerwong Could you please confirm whether this suite is using fixed GHG concentrations or time-varying values? The namelist file specifies a constant CO2\_MMR value, but I just want to make sure this isn’t being o… --- ## [Forcing ACCESS-OM2 using ESM1.5 data](https://forum.access-hive.org.au/t/forcing-access-om2-using-esm1-5-data/4349)
**Author:** [@ongqingyee](https://forum.access-hive.org.au/u/ongqingyee)\ **Replies:** 81\ **Last updated:** [11 November 2025 05:20 UTC](https://forum.access-hive.org.au/t/forcing-access-om2-using-esm1-5-data/4349 "2025-11-11T05:20:24Z")
Hi everyone, I am looking to run ACCESS-OM2 at 1deg resolution using surface forcings from ESM1.5 future projection runs (SSP585). I have been able to obtain 3 hourly atmospheric data from @tiloz (thank you!) and want t… --- ## [WOMBAT-lite paper out](https://forum.access-hive.org.au/t/wombat-lite-paper-out/5449)
**Author:** [@pearseb](https://forum.access-hive.org.au/u/pearseb)\ **Replies:** 0\ **Last updated:** [27 October 2025 22:33 UTC](https://forum.access-hive.org.au/t/wombat-lite-paper-out/5449 "2025-10-27T22:33:27Z")
Hi all! Happy to announce that the reference for WOMBAT-lite is published. I’m attaching the PDF here. Please share and cite :slight\_smile: pearse P.S. WOMBAT-mid in the pipeline! --- ## [What Southern Ocean/Antarctic observations does the NRI community need?](https://forum.access-hive.org.au/t/what-southern-ocean-antarctic-observations-does-the-nri-community-need/5354)
**Author:** [@willrhobbs](https://forum.access-hive.org.au/u/willrhobbs)\ **Replies:** 1\ **Last updated:** [3 October 2025 11:17 UTC](https://forum.access-hive.org.au/t/what-southern-ocean-antarctic-observations-does-the-nri-community-need/5354 "2025-10-03T11:17:49Z")
Hi everyone I’m involved with a Australia’s planning for some upcoming national and international Antarctic and Southern Ocean observation efforts, some focussed on the East Antarctic sector and some, like Antarctica In… --- ## [Freely-evolving boundary layer; 'Nudged' atmosphere run in ACCESS-CM](https://forum.access-hive.org.au/t/freely-evolving-boundary-layer-nudged-atmosphere-run-in-access-cm/5259)
**Author:** [@willrhobbs](https://forum.access-hive.org.au/u/willrhobbs)\ **Replies:** 12\ **Last updated:** [24 September 2025 06:20 UTC](https://forum.access-hive.org.au/t/freely-evolving-boundary-layer-nudged-atmosphere-run-in-access-cm/5259 "2025-09-24T06:20:59Z")
This post is a follow-up on discussions at the 2025 ACCESS-NRI workshop with @Matt\_Woodhouse and @rmholmes. One of the long-running challenges of interpreting experiments using an ocean-sea ice model is the over-strong … --- ## [Help needed for CMORising some ACCESS-OM2 output](https://forum.access-hive.org.au/t/help-needed-for-cmorising-some-access-om2-output/5179)
**Author:** [@Benoit](https://forum.access-hive.org.au/u/Benoit)\ **Replies:** 3\ **Last updated:** [18 September 2025 04:52 UTC](https://forum.access-hive.org.au/t/help-needed-for-cmorising-some-access-om2-output/5179 "2025-09-18T04:52:06Z")
I’ve been building transport matrices from ACCESS-ESM1.5 CMIP6 output, and I’d like to use the same code to do the same but from ACCESS-OM2. For this I’d like the ACCESS-OM2 output to be in the same format as what can be… --- ## [ACCESS-ESM1.5 in pacemaker mode](https://forum.access-hive.org.au/t/access-esm1-5-in-pacemaker-mode/4079)
**Author:** [@georgyfalster](https://forum.access-hive.org.au/u/georgyfalster)\ **Replies:** 4\ **Last updated:** [1 September 2025 09:06 UTC](https://forum.access-hive.org.au/t/access-esm1-5-in-pacemaker-mode/4079 "2025-09-01T09:06:35Z")
I would like to run the new release of the ACCESS-ESM-1.5 model in ‘pacemaker’ mode. In this case, where SSTs in a particular area are prescribed, and all other aspects of the model evolve freely. From what I understand… --- ## [How to check programmatically if an ACCESS-ESM experiment is still running](https://forum.access-hive.org.au/t/how-to-check-programmatically-if-an-access-esm-experiment-is-still-running/4663)
**Author:** [@eliocamp](https://forum.access-hive.org.au/u/eliocamp)\ **Replies:** 9\ **Last updated:** [20 August 2025 23:57 UTC](https://forum.access-hive.org.au/t/how-to-check-programmatically-if-an-access-esm-experiment-is-still-running/4663 "2025-08-20T23:57:58Z")
I’m running a few experiments using ACCESS-ESM with payu and I wrote a script that checks their status (whether they ran al the steps correctly, whether the collation step was successful, whether the data was synced corr… --- ## [ESM1.6 idealised experiments (tests)](https://forum.access-hive.org.au/t/esm1-6-idealised-experiments-tests/4619)
**Author:** [@tiloz](https://forum.access-hive.org.au/u/tiloz)\ **Replies:** 0\ **Last updated:** [17 June 2025 01:15 UTC](https://forum.access-hive.org.au/t/esm1-6-idealised-experiments-tests/4619 "2025-06-17T01:15:13Z")
List of idealized experiments based on ACCESS-ESM1.6 development versions for CMIP7. These are test runs only. Productions runs will be covered elsewhere. Name: test\_4xCO2 Years: 1 to 150 Exe versions: acc… --- ## [CMIP6 Data Recommendations for Southern Ocean Study](https://forum.access-hive.org.au/t/cmip6-data-recommendations-for-southern-ocean-study/4676)
**Author:** [@ronygolder\_curtin](https://forum.access-hive.org.au/u/ronygolder_curtin)\ **Replies:** 13\ **Last updated:** [14 July 2025 00:46 UTC](https://forum.access-hive.org.au/t/cmip6-data-recommendations-for-southern-ocean-study/4676 "2025-07-14T00:46:01Z")
Hi, I hope you’re well. This is Rony from Curtin University in Perth, WA. I’m reaching out to seek your advice on selecting a suitable Earth System Model for studying the Southern Ocean. My area of interest spans from 3… --- ## [ESM1.6 Output list and CMIP7 Data Request](https://forum.access-hive.org.au/t/esm1-6-output-list-and-cmip7-data-request/4623)
**Author:** [@rbeucher](https://forum.access-hive.org.au/u/rbeucher)\ **Replies:** 4\ **Last updated:** [9 July 2025 23:46 UTC](https://forum.access-hive.org.au/t/esm1-6-output-list-and-cmip7-data-request/4623 "2025-07-09T23:46:08Z")
We’re putting together a list of variables that ACCESS-ESM1.6 will need to output for the upcoming CMIP7 submission. This helps make sure we’re meeting the right requirements and supporting the most important scientific … --- ## [Updating number of CPUs in UM7.3 for ACCESS-ESM1.5](https://forum.access-hive.org.au/t/updating-number-of-cpus-in-um7-3-for-access-esm1-5/4668)
**Author:** [@dkhutch](https://forum.access-hive.org.au/u/dkhutch)\ **Replies:** 9\ **Last updated:** [7 July 2025 23:28 UTC](https://forum.access-hive.org.au/t/updating-number-of-cpus-in-um7-3-for-access-esm1-5/4668 "2025-07-07T23:28:58Z")
Hi, I am looking to update some older runs using ACCESS-ESM1.5 that are currently running with 384 CPUs. I understand the new releases are using 432 CPUS, with the UM changing from 192 CPUs to 240 CPUs. I would like to … --- ## [ESM1.5 payu: Model exited issue](https://forum.access-hive.org.au/t/esm1-5-payu-model-exited-issue/3692)
**Author:** [@YanxuanD](https://forum.access-hive.org.au/u/YanxuanD)\ **Replies:** 18\ **Last updated:** [4 July 2025 03:50 UTC](https://forum.access-hive.org.au/t/esm1-5-payu-model-exited-issue/3692 "2025-07-04T03:50:55Z")
Hi Spencer, I’m facing a similar issue like Himadri, with the error “payu: Model exited with error code 1; aborting.” at restart184. I’m not sure if this is a leap year problem, but I tried using the warm-start.sh scri… --- ## [Salinity budget calculation in access-esm](https://forum.access-hive.org.au/t/salinity-budget-calculation-in-access-esm/4496)
**Author:** [@HIMADRI\_SAINI](https://forum.access-hive.org.au/u/HIMADRI_SAINI)\ **Replies:** 7\ **Last updated:** [23 May 2025 02:02 UTC](https://forum.access-hive.org.au/t/salinity-budget-calculation-in-access-esm/4496 "2025-05-23T02:02:43Z")
Hi I’ve emailed this issue to @MartinDix, but I thought I’d post it here as well in case it’s relevant to others. In my setup of the Last Glacial Maximum (LGM) climate with ACCESS-ESM (present in /home/561/hs2549/acces… --- ## [ACCESS-ESM1.6 Mapping outputs to CMIP variables](https://forum.access-hive.org.au/t/access-esm1-6-mapping-outputs-to-cmip-variables/4386)
**Author:** [@rbeucher](https://forum.access-hive.org.au/u/rbeucher)\ **Replies:** 7\ **Last updated:** [9 April 2025 02:17 UTC](https://forum.access-hive.org.au/t/access-esm1-6-mapping-outputs-to-cmip-variables/4386 "2025-04-09T02:17:00Z")
Hi Everyone, We’ve been working with the output from the ACCESS-ESM1.6 piControl spin-up run, available at: /scratch/p66/pjb581/access-esm/archive/pi\_concentrations-expt-c55f7217 There’s been ongoing discussion around… --- ## [Ice restart problem with payu/1.1.6](https://forum.access-hive.org.au/t/ice-restart-problem-with-payu-1-1-6/4132)
**Author:** [@dkhutch](https://forum.access-hive.org.au/u/dkhutch)\ **Replies:** 10\ **Last updated:** [8 April 2025 00:03 UTC](https://forum.access-hive.org.au/t/ice-restart-problem-with-payu-1-1-6/4132 "2025-04-08T00:03:53Z")
Hi, I am having 3 simulations simultaneously fail due to payu errors. All three runs are failing at the payu setup stage, where I get an error that says: FileNotFoundError: CICE restart file not found in /scratch/y99/d… --- ## [Restart problem (atmosphere)](https://forum.access-hive.org.au/t/restart-problem-atmosphere/4239)
**Author:** [@Benoit](https://forum.access-hive.org.au/u/Benoit)\ **Replies:** 22\ **Last updated:** [24 March 2025 22:05 UTC](https://forum.access-hive.org.au/t/restart-problem-atmosphere/4239 "2025-03-24T22:05:32Z")
Hi, My latest attempt at running ACCESS-ESM1.5 failed and threw this error (in the stdout file): payu: error: Model has not produced a restart dump file: /scratch/xv83/bp3051/access-esm/work/andersonacceleration\_test-n… --- ## [First-time ACCESS-ESM1.5 user: how to request MOSRS account](https://forum.access-hive.org.au/t/first-time-access-esm1-5-user-how-to-request-mosrs-account/4229)
**Author:** [@georgyfalster](https://forum.access-hive.org.au/u/georgyfalster)\ **Replies:** 5\ **Last updated:** [26 February 2025 22:41 UTC](https://forum.access-hive.org.au/t/first-time-access-esm1-5-user-how-to-request-mosrs-account/4229 "2025-02-26T22:41:12Z")
I am a prospective ACCESS-ESM1.5 user currently going through the setup steps. In following the instructions on the ACCESS Hive I was directed to request a UK Met Office Science Repository Service account. The instruct… --- ## [Set-up ACCESS-ESM1.5 with the 0.25 degree ocean](https://forum.access-hive.org.au/t/set-up-access-esm1-5-with-the-0-25-degree-ocean/906)
**Author:** [@dhb599](https://forum.access-hive.org.au/u/dhb599)\ **Replies:** 7\ **Last updated:** [24 February 2025 01:41 UTC](https://forum.access-hive.org.au/t/set-up-access-esm1-5-with-the-0-25-degree-ocean/906 "2025-02-24T01:41:19Z")
Hi, The NESP project CS2.11 (led by Tilo Ziehn) has been trying to set up ACCESS-ESM1.5 with the ¼ degree ocean. We need ACCESS-NRI to help with configuring the UM-CABLE system based on the ocean land-sea mask. Please a… --- ## [Model exited with error code 139](https://forum.access-hive.org.au/t/model-exited-with-error-code-139/3976)
**Author:** [@HIMADRI\_SAINI](https://forum.access-hive.org.au/u/HIMADRI_SAINI)\ **Replies:** 9\ **Last updated:** [17 December 2024 04:08 UTC](https://forum.access-hive.org.au/t/model-exited-with-error-code-139/3976 "2024-12-17T04:08:04Z")
Hello, I need help with the code 139 error mentioned in this post. Apologies, but I couldn’t figure out how to reply directly to that post. Unfortunately, neither payu sweep nor perturbing the model is resolving the iss… [Next page](https://forum.access-hive.org.au/tag/access-esm/196.md?match_all_tags=true&page=1&tags%5B%5D=access-esm)