DEFIANT General Assembly 2024

Monday 29th April 2024 

12:30 – 14:00  Lunch on Arrival 
Session 2 – Welcome, Project Updates and Keynote 
Conference Centre 
Chair: Romy Hall 
14:00 – 14:20 Jeremy Wilkinson Welcome & introduction, extension request 
14:20 – 14:40 Elaina Ford WP4, annual report, and dissemination 
Internal Annual Reports  
14:40 – 15:00 Jeremy Wilkinson  A global overview of 2023 key climate change parameters 
15:00 – 15:20 Caroline Holmes Overview of WP1 
15:20 – 15:40  Andy Shepherd  Trends in Southern Ocean thickness and volume 
15:40 – 16:00  Coffee Break 
16:00 – 16:20 Rosie Willatt Radar in the Weddell Sea 
16:20 – 17:20 Cecilia Bitz KEYNOTE: Wind Driven Extreme Low Antarctic Sea Ice Years since 2016  

Tuesday 30th April 2024 

08:30 – 09:00  Coffee on Arrival 
Session 3 – WP1 Presentations  
Conference Centre 
Chair: Tarkan Bilge 
09:00 – 09:20 Julienne Stroeve In-situ measurements at Rothera 
09:20 – 09:40 Gaelle Veyssiere Under ice heat maps – A step by step approach  
09:40 – 10:00 Louisa van Zeeland AI and floe size distribution update 
10:00 – 10:20 Andrew McDonald  GenIceNet: Pushing the Limits of Subseasonal-to-Seasonal Sea Ice Forecasting with Deep Generative Modelling 
10:20 – 11:00  Coffee Break 
11:00 – 11:20 Babula Jena Antarctic sea ice variability in 2023 
11:20 – 11:40 Xingchi Wang Turbulent Heat Exchange between Circumpolar Deep Water and Winter Water on the Amundsen Sea Continental Shelf, Antarctica 
11:40 – 12:00 Aditya Narayanan Variability of the Weddell Gyre and Ekman Processes near Maud Rise: Implications for Polynya Formation 
12:00 – 12:20 Jeremy Wilkinson  How WP1 feeds into WP2&3 
12:20 – 13:40 Lunch Break 
Session 4 – WP2 Presentations 
Conference Centre 
Chair: Aditya Narayanan 
13:40 – 13:50 Danny Feltham  Overview of WP2   
13:50 – 14:10 Danny Feltham Model physics developments and processes 
14:10 – 14:30 Caroline Holmes Re-evaluating CMIP6 Antarctic sea ice area trends in light of observed rapid reductions 
14:30 – 14:50 Tarkan Bilge  Towards an improved Antarctic sea-ice representation in HadGEM3-GC5 
14:50 – 15:10  Danny Feltham and Paul Holland Cruise and project delay implications on WP2 
15:10 – 15:30  Coffee Break 
Session 5 – WP3 Presentations 
Conference Centre 
Chair: Andrew McDonald 
15:30 – 15:50 Alberto Naveira Garabato Overview of WP3 
15:50 – 16:10 Alice Marzocchi Climatic drivers of Steric Height in the Southern Ocean 
16:10 – 16:30 Caroline Holmes Snapshot: Defining a sea ice-free Antarctica 
16:30 – 16:45 Alberto Naveira Garabato WP3 outlook for the next 12 months 
18:00  Dinner at W Café & Bar 

Wednesday 1st May 2024 

08:30 – 09:00 Coffee on Arrival 
09:00 – 09:30 WP Leads only Discussion of Annual Report 
Session 6 – Keynote and other project talks,  
Conference Centre 
Chair: Caroline Holmes 
09:30 – 09:50 Tom Bracegirdle ExtAnt 
09:50 – 10:10 Nadine Johnston  BIOPOLE SDA Cruise experiences 
10:10 – 10:30 Karen Heywood PICCOLO SDA Cruise experiences 
10:30 – 11:00 Coffee Break 
Session 7 – DEFIANT future plans,  
Conference Centre 
Chair: Elaina Ford 
11:00 – 11:20  Jane Francis KEYNOTE: Antarctic InSync, an overview 
11:20 – 11:50 Jeremy Wilkinson SDA Cruise plans, glider ops and Autosub (& Polarstern) 
11:50 – 12:10 Jeremy Wilkinson DEFIANT Workshop planning for end of project 
12:10 – 12:30 Jeremy Wilkinson Synthesis 
12:30 – 12:40 Elaina Ford Extension response discussion Please add to google doc 
12:40 – 12:50 Jeremy Wilkinson Next steps and proposals, SOOS Special issue 
12:50 – 13:00 AOB  
13:00 End of meeting and Lunch 
Session 7 – Post-meeting Breakout Sessions, 14:00-17:00  Parallel Sessions 
Session time Speaker Topic Location 
14:00 – 15.30 Louisa Van Zeeland, Andrew McDonald & Martin Rogers AI session Seminar room 330B