# \#um-ancillary **URL:** https://forum.access-hive.org.au/tag/um-ancillary/108.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) --- ## [Location of ACCESS land masks for ACCESS-AM2 sea-ice/SST ancillary creation](https://forum.access-hive.org.au/t/location-of-access-land-masks-for-access-am2-sea-ice-sst-ancillary-creation/4695)
**Author:** [@alanah.chapman](https://forum.access-hive.org.au/u/alanah.chapman)\ **Replies:** 4\ **Last updated:** [18 July 2025 02:23 UTC](https://forum.access-hive.org.au/t/location-of-access-land-masks-for-access-am2-sea-ice-sst-ancillary-creation/4695 "2025-07-18T02:23:39Z")
Hi everyone, I’m creating some updated sea-ice and SST ancillary datasets for some ACCESS-AM2 model experiments I’m doing, based off of methods and code described by the UK MetOffice here. I have been able to create the… --- ## [ACCESS-AM2 Sea ice concentration ancillary dataset help](https://forum.access-hive.org.au/t/access-am2-sea-ice-concentration-ancillary-dataset-help/4306)
**Author:** [@alanah.chapman](https://forum.access-hive.org.au/u/alanah.chapman)\ **Replies:** 4\ **Last updated:** [16 March 2025 22:04 UTC](https://forum.access-hive.org.au/t/access-am2-sea-ice-concentration-ancillary-dataset-help/4306 "2025-03-16T22:04:20Z")
Hi, I’ve been looking at the sea ice concentration ancillary dataset for ACCESS-AM2 (suite u-cz934) found here: g/data/access/TIDS/CMIP6\_ANCIL/data/ancils/amip\_fix/timeseries\_1870-2018/SstSeaIce/seaice\_amip\_n96e.anc A… --- ## [ACCESS-CM2/AM2 DMS Ancillary file error](https://forum.access-hive.org.au/t/access-cm2-am2-dms-ancillary-file-error/2129)
**Author:** [@sonyafiddes](https://forum.access-hive.org.au/u/sonyafiddes)\ **Replies:** 7\ **Last updated:** [24 February 2025 03:14 UTC](https://forum.access-hive.org.au/t/access-cm2-am2-dms-ancillary-file-error/2129 "2025-02-24T03:14:08Z")
Hello, I have recently been looking at the aerosol fields in ACCESS-AM2. Following some interesting results I was digging in to the DMS ancillary files and have found that the ancillary file that the model is pointing t… --- ## [Provenance of ACCESS-ESM1.5 UM ancillary data](https://forum.access-hive.org.au/t/provenance-of-access-esm1-5-um-ancillary-data/3800)
**Author:** [@paulleopardi](https://forum.access-hive.org.au/u/paulleopardi)\ **Replies:** 6\ **Last updated:** [8 November 2024 05:17 UTC](https://forum.access-hive.org.au/t/provenance-of-access-esm1-5-um-ancillary-data/3800 "2024-11-08T05:17:01Z")
This topic is a placeholder for draft documentation on the origin and pre-processing of the atmosphere ancillary files that are listed in the Payu configurations of the ACCESS-ESM1.5 release. --- ## [Poster: Proposed architecture for weather, climate and CMIP data provenance](https://forum.access-hive.org.au/t/poster-proposed-architecture-for-weather-climate-and-cmip-data-provenance/3494)
**Author:** [@paulleopardi](https://forum.access-hive.org.au/u/paulleopardi)\ **Replies:** 3\ **Last updated:** [6 September 2024 03:21 UTC](https://forum.access-hive.org.au/t/poster-proposed-architecture-for-weather-climate-and-cmip-data-provenance/3494 "2024-09-06T03:21:13Z")
Title A proposed architecture for weather, climate and CMIP data provenance tracking About Model input provenance should be available to anyone who uses model output data, since model input determines model output. Unif… --- ## [Recreate river runoff from scratch ACCESS-ESM1.5](https://forum.access-hive.org.au/t/recreate-river-runoff-from-scratch-access-esm1-5/2013)
**Author:** [@dkhutch](https://forum.access-hive.org.au/u/dkhutch)\ **Replies:** 14\ **Last updated:** [3 May 2024 05:09 UTC](https://forum.access-hive.org.au/t/recreate-river-runoff-from-scratch-access-esm1-5/2013 "2024-05-03T05:09:28Z")
Hi, I am wondering if anyone knows how to re-configure the river runoff in ACCESS-ESM1.5 (which uses UM7.3) to something totally new? (Or any other versions of the UM or the coupled model?) I have gathered that the mod… --- ## [Nitrogen deposition ancillary file for SSP370 for ACCESS-ESM1.5](https://forum.access-hive.org.au/t/nitrogen-deposition-ancillary-file-for-ssp370-for-access-esm1-5/1583)
**Author:** [@tiloz](https://forum.access-hive.org.au/u/tiloz)\ **Replies:** 15\ **Last updated:** [1 December 2023 04:41 UTC](https://forum.access-hive.org.au/t/nitrogen-deposition-ancillary-file-for-ssp370-for-access-esm1-5/1583 "2023-12-01T04:41:44Z")
Hi, we require help with generating the nitrogen deposition ancillary file for our future Scenario SSP3-7.0 with ACCESS-ESM1.5. I turns out we used the SSP2-4.5 nitrogen deposition for those runs in the past and we don’… --- ## [Static model input data at NCI: issues and requirements](https://forum.access-hive.org.au/t/static-model-input-data-at-nci-issues-and-requirements/1576)
**Author:** [@paulleopardi](https://forum.access-hive.org.au/u/paulleopardi)\ **Replies:** 0\ **Last updated:** [3 November 2023 06:19 UTC](https://forum.access-hive.org.au/t/static-model-input-data-at-nci-issues-and-requirements/1576 "2023-11-03T06:19:50Z")
I have updated an issues and requirements page that addresses static model input data at NCI, including UM ancillary files. The page now suggests some next steps, including approaches to sharing, cataloguing and provena… --- ## [Ancillary file for CO2 emissions](https://forum.access-hive.org.au/t/ancillary-file-for-co2-emissions/1379)
**Author:** [@tiloz](https://forum.access-hive.org.au/u/tiloz)\ **Replies:** 38\ **Last updated:** [26 October 2023 03:51 UTC](https://forum.access-hive.org.au/t/ancillary-file-for-co2-emissions/1379 "2023-10-26T03:51:42Z")
Hi, I would like to create a CO2 emissions ancillary file for ACCESS-ESM1.5. We are currently using prescribed emissions for esm historical simulations (e.g. /g/data/p66/txz599/data/ancil/CMIP6/CO2\_fluxes\_ESM\_1750\_2014.… --- ## [UM Nesting Suite - SST ancillary not being used?](https://forum.access-hive.org.au/t/um-nesting-suite-sst-ancillary-not-being-used/1450)
**Author:** [@BecJackson](https://forum.access-hive.org.au/u/BecJackson)\ **Replies:** 13\ **Last updated:** [17 October 2023 04:32 UTC](https://forum.access-hive.org.au/t/um-nesting-suite-sst-ancillary-not-being-used/1450 "2023-10-17T04:32:18Z")
Hi everyone, I’m trying to run the RNS with a modified SST ancillary file, but the SST ancillary doesn’t appear to be used. There is a note under the sstsmc\_anc option (make extra SST and SMC ancillaries) that says ‘the… --- ## [UM Ancillary files database/documentation (We need your help! 🆘)](https://forum.access-hive.org.au/t/um-ancillary-files-database-documentation-we-need-your-help/388)
**Author:** [@atteggiani](https://forum.access-hive.org.au/u/atteggiani)\ **Replies:** 3\ **Last updated:** [3 August 2023 01:59 UTC](https://forum.access-hive.org.au/t/um-ancillary-files-database-documentation-we-need-your-help/388 "2023-08-03T01:59:46Z")
Dear ACCESS and UM users, At ACCESS-NRI we thought is would be useful to start collecting and documenting multiple sets of UM ancillary files, to facilitate the job of users needing to run a simulation and not sure whic…