# \#configuration

**URL:** https://forum.access-hive.org.au/tag/configuration/396.md

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## [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)

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**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")

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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…

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## [ACCESS-ESM1.5 in Emissions mode](https://forum.access-hive.org.au/t/access-esm1-5-in-emissions-mode/4382)

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**Author:** [@LaurieM](https://forum.access-hive.org.au/u/LaurieM)\
**Replies:** 2\
**Last updated:** [8 May 2025 03:27 UTC](https://forum.access-hive.org.au/t/access-esm1-5-in-emissions-mode/4382 "2025-05-08T03:27:16Z")

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Hello, So the model runs fine and atmospheric CO2 is not constant, however it is not affected by the emissions. I do not get any error message, so I am not sure where the error is coming from. I followed the steps that …

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## [Transient diabatic heating experiments using ACCESS-AM2/CM2](https://forum.access-hive.org.au/t/transient-diabatic-heating-experiments-using-access-am2-cm2/3893)

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**Author:** [@eliocamp](https://forum.access-hive.org.au/u/eliocamp)\
**Replies:** 3\
**Last updated:** [11 November 2024 05:16 UTC](https://forum.access-hive.org.au/t/transient-diabatic-heating-experiments-using-access-am2-cm2/3893 "2024-11-11T05:16:54Z")

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Hi! I would be interested in running experiments adding a transient diabatic heating forcing in the tropics. Would that be possible/feasible to do with the current tools or would that need modification of model code?