Community Working Group programs for ACCESS Community Workshop 2025
The Community Working Group meetings are held primarily on Friday 12 September. Each Working Group has compiled their own program and run their sessions in different rooms, but all Working Groups will share the same catering times and areas.
The programs are subject to amendments—please revisit this webpage for the most up-to-date version of the program.
On this page:
- COSIMA Working Group program
- Atmospheric Modelling Working Group program
- Earth System Modelling Working Group program
- Land Surface Modelling Working Group program
- Machine Learning Working Group program
- Cryosphere Working Group program
COSIMA Working Group program
| Time | Session | Topic/speaker | Convenor | Location |
|---|---|---|---|---|
| 09:00–09:40 | Guest plenary | Claire Yung (Australian National University) Progress and challenges in modelling melt and ocean circulation within ice shelf cavities | Elizabeth Ellison | Forum 1 |
| 09:40–10:40 | Short talks | Yann-Treden Tranchant (AAPP, IMAS, UTAS) Modelling the fine-scale ocean dynamics revealed by SWOT in the ACC |
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| Pearse Buchanan (CSIRO) Performance and optimisation of WOMBAT-mid |
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| Manish Venumuddula (NSF National Centre for Atmospheric Research) Developing regional MOM6 with CROCODILE: New tools, capabilities, and science directions |
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| Andrew Kiss (Australian National University) The new ACCESS-OM3 ocean-sea ice modelling suite |
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| 10:40–11:10 | Morning tea | The Lab, foyer areas, outside | ||
| 11:10–11:30 | Lightning talks | Ashley Barnes (Australian National University) The dependence of Tasman Sea internal tide energy pathways on horizontal resolution | Madelaine Rosevear | Forum 1 |
| Chris Aiken (University of Tasmania, 21st Century Weather) Zonal jets in OM2 |
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| Edward Doddridge (University of Tasmania) Synthetic bathymetries and ocean circulation |
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| Edward Yang (ACCESS-NRI) Porting MOM6 to GPUs: Current progress, lessons, and preliminary results |
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| Elizabeth Ellison (Australian National University) Regional modelling of carbon dioxide removal via ocean alkalinity enhancement |
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| Farhan Rizwi (CSIRO) CoCOMA: Coastal and Continental Ocean Model of Australia |
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| Matt Chamberlain (CSIRO) BRAN2023 Ocean Reanalysis |
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| Max Rintoul (Institute for Marine and Antarctic Studies) The effect of ocean alkalinity enhancement on natural alkalinity fluxes from marine sediments |
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| Noah Day (University of Adelaide) Integrating wave–ice interactions into MOM6–CICE6 |
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| Ryan Holmes (Bureau of Meteorology) Precise online mixed layer tracer budgets in ACCESS-OM2 with application to marine heat waves |
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| Samuel Watson (Institute for Marine and Antarctic Studies) Quantifying trends and variability in Southern Ocean heat fluxes in high-resolution models |
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| Zhi Li (UNSW Sydney) Tropical to circum-Antarctic oceanic teleconnections of Subantarctic Mode Water variability |
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| Hangyu Meng (Australian National University) CDW properties and transport affected by the slowdown of Atlantic Meridional Overturning Circulation |
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| Wilton Aguiar (Australian National University) Sensitivity of Antarctic dense water formation to surface vertical resolution |
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| 11:30–12:30 | Poster session | The Launchpad | ||
| 12:30–14:00 | Lunch | The Lab, foyer areas, outside | ||
| 14:00–14:30 | Guest plenary | Gokhan Danabasoglu (NSF National Centre for Atmospheric Research) CFORCE: Creating the next generation datasets for forcing ocean – sea-ice coupled models | Zhi Li | Forum 1 |
| 14:30–15:30 | Short talks | John Reilly (Institute for Marine and Antarctic Studies, IMAS) Time-varying model skill in the East Australian Current: When and where an "ultra-high" resolution model adds value |
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| Katja Curtin (Australian National University) Reaching a resolution: The impacts of model choice and resolution on future Southern Ocean projections |
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| Darren Engwirda (CSIRO) Changing tides in future climates |
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| Helen Shea (Monash University) Reversed ocean-sea ice feedback in the Ross Sea reinforcing low sea ice coverage |
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| 15:30–15:35 | Afternoon tea | The Lab, foyer areas, outside | ||
| 15:35–16:00 | Awards + COSIMA Surprise Screening | Forum 1 | ||
Atmospheric Modelling Working Group program
| Time | Session | Topic | Chair | Location |
|---|---|---|---|---|
| 09:00–09:30 | Welcome & introductions | Admin: Need a volunteer for taking today’s meeting minutes to post here on the Forum Roundtable introductions: Name, affiliation. Brief reply (30 sec) to your biggest challenge/opportunity in current modelling research | Charmaine Franklin Minutes: Volunteer | Forum 2 |
| 09:30–10:30 | Science talks | Ian White (Bureau of Meteorology) An ACCESS-AE Case Study: May 2024 Cold Front | Charmaine Franklin Minutes: Volunteer |
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| Chermelle Engel (ACCESS-NRI) The Australian implementation of the UM regional nesting suite (ACCESS-rAM3): current achievements and work in progress |
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| Chun-Hsu Su (Bureau of Meteorology) BARRA2: Advancing regional atmospheric reanalysis with ACCESS |
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| Tahereh Alinejadtabrizi (Monash University) Evaluating the representation of boundary layer cloud regimes in an Australian regional climate model using campaign observations: Implications for radiation and water budgets |
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| 10:30–11:00 | Morning tea | The Lab, foyer areas, outside | ||
| 11:00–11:50 | Partner lightning talks: Modelling plans for the year ahead | Brief overview (10mins) on key goals and priorities, tools and platforms in use/development, major challenges and uncertainties as well as research questions driving their work. | Heidi Nettelbeck Minutes: Volunteer | Forum 2 |
| Yi Huang (ARC Centre of Excellence) Strategic research priorities in atmospheric modelling: The 21CW agenda for the coming year |
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| Charmaine Franklin (Bureau of Meteorology) The Bureau's atmospheric modelling roadmap: Priorities for the year ahead |
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| Matt Woodhouse (CSIRO) Atmospheric modelling priorities at CSIRO |
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| 11:50–12:20 | Collaborative discussion: Common ground & support needs | Facilitated group discussion exploring: - Shared challenges and overlapping goals - Opportunities for collaboration across institutions - Infrastructure and support needed from ACCESS-NRI: Technical software infrastructure and Data sharing | Matt Woodhouse Minutes: Volunteer |
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| 12:20–12:30 | Wrap up | Next Atmosphere WG meeting is 11:30am on Wednesday 15 October 2025. | Heidi Nettelbeck | |
| 12:30–13:00 | Lunch | The Lab, foyer areas, outside | ||
Earth System Modelling Working Group program
In addition to the program below, the Earth System Modelling Working Group has a social event involving drinks before the Main Workshop dinner on Wednesday 10 September.
| Time | Session | Topic | Location |
|---|---|---|---|
| 09:45–10:30 | Short talks (12 min + 3 min) | Benjamin Whight Anthonisz (Climate Change Research Centre, UNSW) Fast spin up of WOMBAT in ACCESS-ESM1.5 with Anderson Acceleration | Forum 3 |
| Anton Steketee (ACCESS-NRI) Sea ice and iceberg updates included in ACCESS ESM1.6 |
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| Sibyl Cheng (UNSW) The choice of observational reference matters in the model evaluation of oceanic precipitation |
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| 10:30–11:00 | Morning tea | The Lab, foyer areas, outside | |
| 11:00–11:45 | Short talks (12 min + 3 min) | Kieran Ricardo (ACCESS-NRI) ACCESS-CM3 model development update | Forum 3 |
| Rhaegar Zeng (ACCESS-NRI) Demystifying CMORisation: How to evaluate ACCESS native outputs using CMIP evaluation frameworks |
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| Felicity Chun (ACCESS-NRI) ACCESS-ENSO-Recipes: A workflow for evaluating ENSO and IOD in climate models |
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| 11:45–12:30 | Discussion | Discussion topic ideas (to be finalised): - Anything that came up during the day + main workshop - How can we make ESM meetings more attractive to people? - CMIP7 (What is the focus? Should not be too technical) |
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| 12:30–13:30 | Lunch | The Lab, foyer areas, outside | |
| 13:30 | Optional social event | Walk/drink with a Melbournian | |
Land Surface Modelling Working Group program
The program for the Land Surface Modelling Working Group meetings is spread across two days: Monday 8 and Friday 12 September 2025.
Day 1: Monday 8 September
| Time | Session | Topic | Location |
|---|---|---|---|
| 12:00–12:30 | Arrival | Registration | Foyer, The Lab |
| 12:30–12:45 | Welcome | Introduction/Housekeeping | Forum 2 |
| 12:45–13:30 | Current Status + Work Plan | What is the current status of Land Surface Models in ACCESS? What is the Land Working Group’s work plan for the next 6 months/12 months/3–5 years? | |
| 13:30–15:00 | Talks (12 min + 3 min) | Ian Harman (CSIRO) Early steps towards a fire module for CABLE |
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| Gab Abramowitz (UNSW Sydney) Recent analyses of PLUMBER2 output, new metrics for benchcab |
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| Jiachen Lu (UNSW Sydney) Urban model implementation in ACCESS-AM3: Early steps |
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| Abhaas Goyal (ACCESS-NRI) Pre-processor for meteorological forcing variables for Land Surface Models |
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| Claire Carouge (ACCESS-NRI) Reinventing CABLE’s infrastructure for long-term sustainability |
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| 15:00–15:30 | Afternoon tea | The Lab, foyer areas, outside | |
| 15:30–17:00 | Land Ancillary Training | - Tools/processes for generating and modifying land ancillaries - High-res land and urban ancillaries - How to add new ancillary files through STASH? | Forum 2 |
Day 2: Friday 12 September
| Time | Session | Topic | Location |
|---|---|---|---|
| 08:30–09:00 | Arrival | Foyer, The Lab | |
| 09:00–09:30 | Discussion sessions | Integration with PLUMBER2 Benchmarking Suite (led by Gab Abramowitz) - Next steps for PLUMBER2 outputs. For example, why do LSMs do so poorly with sensible heat flux? Can we use the data to improve our science parameterisations? - Advanced evaluation with the PLUMBER2 framework. Using data to support hypothesis testing and generation. | M01/M02 |
| 09:30–10:00 | Calibration/evaluation/data assimilation using Earth Observation (led by Alex Norton) - What foundational infrastructure do we need to allow us to use Earth Observations for evaluation and calibration? - Can we also use these observations/tools for spinup and initialisation (data assimilation)? |
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| 10:00–10:30 | Future Science Goals and Technical Challenges (led by Ian Harman) - What science capabilities does the community want to add to CABLE over the next 5-10 years? - What are the technical barriers to achieving these capabilities? |
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| 10:30–11:00 | Morning tea | The Lab, foyer areas, outside | |
| 11:00–11:30 | Work Plan revision | - Whether and how to progress our previous work plan? - What do we want out of the working group meetings? - Should we expand our group, if so how? | M01/M02 |
| 11:30–12:30 | Working Bee | Split into groups, formed based on the discussion points in the previous session. Attendees will self-determine groups, based on area of interest. Establish actionable tasks required to achieve the broader goal. | |
| 12:30–13:30 | Lunch | The Lab, foyer areas, outside | |
| 13:30–15:00 | Working Bee | Start work on the actionable tasks outlined during the prior session. | M01/M02 |
| 15:00–15:30 | Outcomes + Actions | - Identify what was completed, and what is still to be done. - Specify who is responsible for each specified action. |
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Machine Learning Working Group program
| Time | Session | Topic/Speaker | Location |
|---|---|---|---|
| 09:00–09:30 | Welcome & introductions | M13/M14 | |
| 09:30–09:45 | Talks | Maruf Ahmed (National Computational Infrastructure) A unified interface for the state-of-the-art AI weather models inference |
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| 09:45–10:00 | Rui Yang (National Computational Infrastructure) Benchmarking scalable climate and weather AI workflows on heterogeneous HPC architectures |
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| 10:00–10:15 | Vassili Kitsios (CSIRO) & Neelesh Rampal (NIWA) Combining GCM and RCM emulators enabling computationally cheap high-resolution climate projections across a multitude of emission pathways |
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| 10:15–10:30 | Edison Guo (National Computational Infrastructure) BARRADiff: Generative downscaling of ERA5 to BARRA2 using latent diffusion models |
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| 10:30–11:00 | Morning tea | The Lab, foyer areas, outside | |
| 11:00–12:30 | Discussion | Yue Sun (National Computational Infrastructure) Integrating state-of-the-art deep learning and agentic workflows in climate and weather research - How would we like to incorporate these new models and agentic workflows into our own research? - As a research community, how can we collectively adapt to and leverage these trends? | M13/M14 |
| 12:30–13:30 | Lunch | The Lab, foyer areas, outside | |
| 13:30–15:00 | Discussion | General discussion on the future direction of the Machine Learning in Weather and Climate working group. Discussion points may include: - Key initiatives for our WG moving forward, and structure of future WG meetings - Propose specific scientific challenge(s) for community to address over the near-term - On-ramps to machine learning, relevant resources for students, educators, and researchers - Curate key data sets, information, resources, and archetypal problems, akin to a Kaggle competition - How might we interact with the other working groups | M13/M14 |
Cryosphere Working Group program
| Time | Session | Location |
|---|---|---|
| 09:00–9:40 | Suggested session of interest (optional) COSIMA Working Group plenary presentation Claire Yung (Australian National University) Progress and challenges in modelling melt and ocean circulation within ice shelf cavities | Forum 1 |
| 09:50–10:30 | CMWG general meeting and discussion—led by CMWG co-chairs - Meetings planning for 2025–2026 - Working group aims - CMWG community engagement - Open scope of guest speaker topics / expertise - Ideas for new events / community sessions (tutorials etc.) - Develop Hive forum interaction opportunities | M03 |
| 10:30–10:55 | Morning tea (provided) | The Lab, foyer areas, outside |
| 11:00–11:25 | CMWG general meeting summary and action items | M03 |
| 11:30–12:30 | Introduction to ISSM / pyISSM Workshop Session 1 – (hands-on training run by ACCESS-NRI) | M03 |
| 12:30–13:25 | Lunch (provided) | The Lab, foyer areas, outside |
| 13:30–15:00 | Introduction to ISSM / pyISSM Workshop Session 2 – (hands-on training run by ACCESS-NRI) | M03 |
| 15:00–15:15 | Afternoon tea (provided) | The Lab, foyer areas, outside |
| 15:15–15:30 | Any other business, wrap-up and thank you | M03 |