# \#access-am3 **URL:** https://forum.access-hive.org.au/tag/access-am3/420.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) --- ## [Cylc7 vs Cylc8- Who is still using Cylc7, and why?](https://forum.access-hive.org.au/t/cylc7-vs-cylc8-who-is-still-using-cylc7-and-why/7052)
**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\ **Replies:** 12\ **Last updated:** [6 October 2026 23:59 UTC](https://forum.access-hive.org.au/t/cylc7-vs-cylc8-who-is-still-using-cylc7-and-why/7052 "2026-10-06T23:59:52Z")
Hi to all Cylc users out there, We are approaching the end of life for Cylc7 support, although we don’t have a date in mind yet. The primary reason for this is that the new NCI machine will not support Cylc7, so there i… --- ## [ACCESS-AM3: Release Information](https://forum.access-hive.org.au/t/access-am3-release-information/5446)
**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\ **Replies:** 2\ **Last updated:** [28 August 2026 04:32 UTC](https://forum.access-hive.org.au/t/access-am3-release-information/5446 "2026-08-28T04:32:40Z")
To receive email notifications when a new release is announced, please watch this topic. ACCESS-AM3 :rocket: Release: 1.0-alpha Edit: change links following move to host documentation on Read The Docs This an ACCESS-… --- ## [Failed recon after recompiling UM in ACCESS-AM3](https://forum.access-hive.org.au/t/failed-recon-after-recompiling-um-in-access-am3/6664)
**Author:** [@qinggangg](https://forum.access-hive.org.au/u/qinggangg)\ **Replies:** 5\ **Last updated:** [23 July 2026 05:59 UTC](https://forum.access-hive.org.au/t/failed-recon-after-recompiling-um-in-access-am3/6664 "2026-07-23T05:59:08Z")
Hi Team. I tried to recompile UM while running ACCESS-AM3 using this repository: /home/563/qg8515/roses/am3-compile. I made minimal changes to this repository after created from a working template (SPACK\_BUILD='', TASK\_B… --- ## [Experiment proposal: ACCESS-AM3 N96 2007-2008, with reduced RHcrit (0.5), recompiled executables, and UKCM-like parameter changes](https://forum.access-hive.org.au/t/experiment-proposal-access-am3-n96-2007-2008-with-reduced-rhcrit-0-5-recompiled-executables-and-ukcm-like-parameter-changes/6604)
**Author:** [@qinggangg](https://forum.access-hive.org.au/u/qinggangg)\ **Replies:** 0\ **Last updated:** [9 July 2026 22:46 UTC](https://forum.access-hive.org.au/t/experiment-proposal-access-am3-n96-2007-2008-with-reduced-rhcrit-0-5-recompiled-executables-and-ukcm-like-parameter-changes/6604 "2026-07-09T22:46:17Z")
Experiment title :bell:: ACCESS-AM3 N96 2-year simulations 2007-2008, with markedly reduced RHcrit (0.5) and recompiled executables Summary :bell:: These are sensitivity experiments to a previous experiment proposal and… --- ## [Experiment proposal: ACCESS-AM3 N96 2007-2008, with varying adaptive detrainment control parameter and deep mixing entrainment parameter](https://forum.access-hive.org.au/t/experiment-proposal-access-am3-n96-2007-2008-with-varying-adaptive-detrainment-control-parameter-and-deep-mixing-entrainment-parameter/6559)
**Author:** [@qinggangg](https://forum.access-hive.org.au/u/qinggangg)\ **Replies:** 0\ **Last updated:** [26 June 2026 00:15 UTC](https://forum.access-hive.org.au/t/experiment-proposal-access-am3-n96-2007-2008-with-varying-adaptive-detrainment-control-parameter-and-deep-mixing-entrainment-parameter/6559 "2026-06-26T00:15:42Z")
Experiment title :bell:: ACCESS-AM3 N96 2-year simulations 2007-2008, with varying adaptive detrainment control parameter and deep mixing entrainment parameter Summary :bell:: These are sensitivity experiments to a prev… --- ## [Experiment proposal: ACCESS-AM3 N512 2007-2008](https://forum.access-hive.org.au/t/experiment-proposal-access-am3-n512-2007-2008/6542)
**Author:** [@qinggangg](https://forum.access-hive.org.au/u/qinggangg)\ **Replies:** 0\ **Last updated:** [24 June 2026 07:19 UTC](https://forum.access-hive.org.au/t/experiment-proposal-access-am3-n512-2007-2008/6542 "2026-06-24T07:19:26Z")
Experiment title :bell:: ACCESS-AM3 N512 2-year simulations 2007-2008 Summary :bell:: This is a sensitivity experiment to a previous experiment proposal. I have run a control simulation AM3-N96 from 1982-2012 to investi… --- ## [Experiment proposal: ACCESS-AM3 N96 2007-2008, with varying liquid and freeze cloud formation efficiency](https://forum.access-hive.org.au/t/experiment-proposal-access-am3-n96-2007-2008-with-varying-liquid-and-freeze-cloud-formation-efficiency/6533)
**Author:** [@qinggangg](https://forum.access-hive.org.au/u/qinggangg)\ **Replies:** 0\ **Last updated:** [23 June 2026 11:39 UTC](https://forum.access-hive.org.au/t/experiment-proposal-access-am3-n96-2007-2008-with-varying-liquid-and-freeze-cloud-formation-efficiency/6533 "2026-06-23T11:39:47Z")
Experiment title :bell:: ACCESS-AM3 N96 2-year simulations 2007-2008, with varying liquid and freeze cloud formation efficiency Summary :bell:: These are sensitivity experiments to a previous experiment proposal and sim… --- ## [Experiment proposal: ACCESS-AM3 N96 2007-2008, with varying RHcrit and cloud erosion](https://forum.access-hive.org.au/t/experiment-proposal-access-am3-n96-2007-2008-with-varying-rhcrit-and-cloud-erosion/6494)
**Author:** [@qinggangg](https://forum.access-hive.org.au/u/qinggangg)\ **Replies:** 0\ **Last updated:** [11 June 2026 01:04 UTC](https://forum.access-hive.org.au/t/experiment-proposal-access-am3-n96-2007-2008-with-varying-rhcrit-and-cloud-erosion/6494 "2026-06-11T01:04:33Z")
Experiment title :bell:: ACCESS-AM3 N96 2-year simulations 2007-2008, with varying critical relative humidity and cloud erosion rate Summary :bell:: These are sensitivity experiments to a previous experiment proposal. I… --- ## [Mapping CCI Land Cover to CABLE PFTs](https://forum.access-hive.org.au/t/mapping-cci-land-cover-to-cable-pfts/5745)
**Author:** [@lachlanswhyborn](https://forum.access-hive.org.au/u/lachlanswhyborn)\ **Replies:** 16\ **Last updated:** [9 June 2026 00:59 UTC](https://forum.access-hive.org.au/t/mapping-cci-land-cover-to-cable-pfts/5745 "2026-06-09T00:59:11Z")
We have a first working configuration of the ACCESS-AM3 model with land ancillaries generated from the CCI 300m resolution land cover dataset. While there are still some small technical barriers to get over (see this thr… --- ## [Developers of ACCESS-CM3, AM3 and rAM3 models need to get access to the MetOffice's GitHub organisation](https://forum.access-hive.org.au/t/developers-of-access-cm3-am3-and-ram3-models-need-to-get-access-to-the-metoffices-github-organisation/6348)
**Author:** [@clairecarouge](https://forum.access-hive.org.au/u/clairecarouge)\ **Replies:** 0\ **Last updated:** [30 April 2026 06:55 UTC](https://forum.access-hive.org.au/t/developers-of-access-cm3-am3-and-ram3-models-need-to-get-access-to-the-metoffices-github-organisation/6348 "2026-04-30T06:55:18Z")
Are you a developer of ACCESS-CM3, AM3 or rAM3 models? You are a developer if you are changing anything in the code bases of these models’ components and need to build the model with the latest versions of the model comp… --- ## [Experiment proposal: AMIP-style ACCESS-AM3 N96 1982-2025, with prognostic aerosol and COSP1](https://forum.access-hive.org.au/t/experiment-proposal-amip-style-access-am3-n96-1982-2025-with-prognostic-aerosol-and-cosp1/6006)
**Author:** [@qinggangg](https://forum.access-hive.org.au/u/qinggangg)\ **Replies:** 22\ **Last updated:** [16 April 2026 03:11 UTC](https://forum.access-hive.org.au/t/experiment-proposal-amip-style-access-am3-n96-1982-2025-with-prognostic-aerosol-and-cosp1/6006 "2026-04-16T03:11:21Z")
Experiment title :bell:: AMIP-style ACCESS-AM3 N96 44-year simulation 1982-2025, with prognostic aerosol and COSP1 Summary :bell:: It is an extension of the previous experiment proposal. I have run the control simulatio… --- ## [Running AM3 with COSP2](https://forum.access-hive.org.au/t/running-am3-with-cosp2/5850)
**Author:** [@qinggangg](https://forum.access-hive.org.au/u/qinggangg)\ **Replies:** 35\ **Last updated:** [10 March 2026 05:18 UTC](https://forum.access-hive.org.au/t/running-am3-with-cosp2/5850 "2026-03-10T05:18:07Z")
Hi Team I managed to run AM3 with COSP1 giving reasonable output. There is an option to run with COSP2 under um\>namelist\>UM Science Settings\>Section 01 -02 Radiation\>COSP. However, it failed as COSP2 code is not include… --- ## [ACCESS-AM2/AM3 error with ozone step when cycling to a new year](https://forum.access-hive.org.au/t/access-am2-am3-error-with-ozone-step-when-cycling-to-a-new-year/5146)
**Author:** [@alanah.chapman](https://forum.access-hive.org.au/u/alanah.chapman)\ **Replies:** 7\ **Last updated:** [14 October 2025 23:01 UTC](https://forum.access-hive.org.au/t/access-am2-am3-error-with-ozone-step-when-cycling-to-a-new-year/5146 "2025-10-14T23:01:21Z")
Hi :slight\_smile: I’ve run into this issue with both ACCESS-AM3 (although this was some months ago now- using a prototype suite Is there an ACCESS-AM3 prototype available?) and ACCESS-AM2, where the retrieve\_ozone and r… --- ## [Configuration ACCESS-AM3 as single-column mode](https://forum.access-hive.org.au/t/configuration-access-am3-as-single-column-mode/4158)
**Author:** [@Jiachen\_Lu](https://forum.access-hive.org.au/u/Jiachen_Lu)\ **Replies:** 2\ **Last updated:** [18 February 2025 05:56 UTC](https://forum.access-hive.org.au/t/configuration-access-am3-as-single-column-mode/4158 "2025-02-18T05:56:49Z")
Hi, I wonder if the suite can be switched to single-column mode, which is more suitable for model development. Thanks, Jiachen