The following Conference Session topics comprise the 40 oral and poster sessions that will take place from Monday to Thursday at the Conference. There will be five parallel oral sessions each morning and afternoon. Each session will be 2 hours long, with a combination of invited speakers and speakers selected from the abstracts submitted. Posters will be hung on the day of the relevant session and online all week as well as before the conference. For the program at a glance, click here.

To get the description of a session, click on its title.

Theme 1: Advances in Climate Research

Convenors: Mat Collins - University of Exeter, UK; Lisa Alexander - University of New South Wales (UNSW), Australia; Nicola Maher - University of Colorado, USA

Session description: Focus on advances in understanding the characteristics and processes responsible for natural climate variability on intra-seasonal, seasonal-to-annual, annual-to-decadal, decadal to centennial, and centennial to millennial timescales.

Convenors: Noël Sébastien Keenlyside - Bergen University, Norway; Willem Landman - University of Pretoria, South Africa; Marisol Osman - Karlsruhe Institute of Technology (KIT) Germany / Centro de Investigaciones del Mar y la Atmósfera (CIMA), Argentina; June-Yi Lee - Pusan National University, South Korea

Session description: Showcasing progress and challenges in understanding the predictability of Earth’s climate at time horizons from weeks to decades, and advances in the development of climate prediction systems including novel approaches such as those using AI/ML.

Convenors: Andy Turner - University of Reading, UK; Suryachandra Rao Anguluri - Indian Institute of Tropical Meteorology, India; Paola Andrea Arias Gomez - University of Antioquia, Colombia; Tereza Cavazos - Center of Scientific Research and Higher Education of Ensenada, Mexico

Session Description : Advances in understanding, predicting and modeling monsoonal systems in the current and future climate.

Convenors: Thando Ndarana - University of Pretoria, South Africa; Tiffany Shaw - University of Chicago, USA; Marcia Zilli - University of Oxford, UK

Session description : Advances in understanding processes and variability of eddies, storm tracks and jets from mesoscale to planetary scale at all latitudes and levels in the atmosphere and ocean. Studies related to dynamical mechanisms of the storms and jet response to climate change will be included.

Convenors: Helene Seroussi - Dartmouth Engineering, USA; Timothy Naish - Victoria University of Wellington, New Zealand

Session description : Antarctic and Arctic regions
Advances in understanding and modelling atmosphere, ocean, cryosphere and terrestrial processes and interactions governing climate variability and change in polar regions. This includes sea-ice and permafrost.

Convenors: Thomas Stocker - University of Bern, Switzerland; Katrin Meissner - University of New South Wales, Australia; Krishna Achuta Rao - Indian Institute of Technology, India

Session description Advances in assessment, understanding, modeling and impact of potential rapid and/or irreversible changes (sometimes known as “tipping points”) in the climate system potential irreversible changes in ice sheets, sea-ice, forests, permafrost, AMOC and coral reefs etc.

Convenors: Eleanor Blyth - UK Centre for Ecology & Hydrology, UK; Anna Sörensson - Centro de Investigaciones del Mar y la Atmósfera (CIMA), Argentina; Aihui Wang - Institute of Atmospheric Physics (IAP), China

Session description Processes involving land-air interactions, including the cycling of energy, water, carbon and momentum and boundary-layer dynamics and feedbacks; links to local and regional climates; and key processes and phenomena such as permafrost, snow, forests, fire etc.

Convenors: Meghan Cronin - NOAA (USA); Precious Mongwe - University of Cape Town, South Africa; Luciano Pezzi - Instituto Nacional de Pesquisas Espaciais (INPE), Brazil

Session description : Processes involving air-sea interaction and air-sea ice interaction affecting regional and global climate, including surface energy fluxes, chemical interactions and dynamical interactions.

Convenors: Delphine Farmer - Colorado State University, USA; Alex Archibald - University of Cambridge, UK

Session description : Advances in understanding changes in the chemical composition of the atmosphere and interactions between changing composition and climate. This includes processes governing stratospheric ozone, atmospheric aerosols, and interactions with climate, but not air pollution.

Convenors: Masa Kageyama - Laboratoire des sciences du climat et l'environnement (IPSL-LSCE), France; Cristiano Chiessi - Universidade de Sao Paolo, Brazil; Kira Rehfeld - Tuebingen university, Germany

Session description : Advances in the evaluation of climate sensitivity, feedbacks and regional climate change based on paleoclimate data. Improving the understanding of climate variability and response to external forcing on different time scales using paleoclimate data. Using paleoclimate modeling and data to improve climate parametrizations.

Convenors: Bjorn Stevens - Max-Planck-Institut für Meteorologie, Germany; Ruby Leung - Pacific Northwest National Laboratory, USA

Session description : Advances in global and regional climate and Earth System modelling, including the benefits of increasing resolution, improved parametrizations and ensembles for exploring uncertainty. Including novel techniques with artificial intelligence and machine learning.

Convenors: Toste Tanua - GEOMAR, Germany; Han Dolman - Royal Netherlands Institute of Sea Research (NIOZ), The Netherlands; Magdalena Balmaseda - ECMWF, UK; Juan Ruiz - Centro de Investigaciones del Mar y la Atmósfera (CIMA), Argentina

Session description : Advances in observing the climate system, including new space-based and Earth-based platforms, new technologies, and new data sets, and advances in data assimilation and reanalysis, with a particular focus on climate science requirements and opportunities. Including novel techniques with artificial intelligence and machine learning.

Theme 2: Human Interactions with Climate

Convenors: Galen McKinley - Columbia University, USA; Pedro Monteiro - Stellenbosch University, South Africa; Ana Bastos - Max-Planck-Institut für Biogeochemie, Germany

Session description : Advances in understanding of the land and ocean carbon cycle perturbation over the historical period and into the 21st century and beyond.

Convenors: Sonia Seneviratne - ETH Zurich, Switzerland; Graeme Stephens - JPL Science - NASA, USA

Session description : Advances in understanding on changes in the global energy budget in the coupled ocean-atmosphere-land-cryosphere systems.

Convenors: Jan Polcher - Laboratoire de Météorologie Dynamique (LMD-IPSL), France; Moussa Diakhaté - Université Amadou Mahtar Mbow (UAM), Senegal; Marie-Amelie Boucher - Université de Sherbrooke, Canada; Dewi Kirono - CSIRO, Australia

Session description : Advances in understanding of the anthropogenic perturbation on the global water cycle over the historical period and into the 21st century.

Convenors: William Lipscomb - UCAR, USA; Petra Langebroek - Bjerknes Centre for Climate Research, Norway

Session description : This will include current and future changes in ice sheets dynamics, sea level rise and their impacts on natural and human systems.

Convenors: Sandrine Bony - Laboratoire de Météorologie Dynamique (LMD-IPSL), France; Steven Sherwood - University of New South Wales (UNSW), Australia; Masahiro Watanabe - University of Tokyo, Japan

Session description : Advances in understanding the physical feedbacks which shape the climate response to radiative forcings, and their combination to determine transient and equilibrium climate sensitivity. The role of clouds in the climate system is a particular focus.

Keynote speakers: Adrian Tompkins - ICTP Trieste, Italy; Trude Storelvmo - University of Oslo, Norway; Nadir Jeevanjee - NOAA/GFDL, USA

Convenors: Roland Séférian - Météo France, France; Chris Smith - University of Leeds, UK

Session description : Assessment of anthropogenic and natural radiative forcings including GHGs and aerosols. Focus on historical and future scenarios.

Convenors: Julia Pongratz - Ludwig-Maximilians-Universität München, Germany; David Lawrence - UCAR, USA; Anna Ukkola - University of New South Wales (UNSW), Australia

Session description : Role of changes in land cover and land use on the Earth system. This includes changes in biophysical and biogeochemical cycles and includes direct human alteration of the continental water cycle.

Convenors: Daouda Kone - Ivorian Association for Agricultural Sciences (IAAS), Ivory Coast; Gensuo JiaCAS Institute of Atmospheric Physics, China

Session description : Assess impact of climate change (including extremes) on terrestrial and marine ecosystems, risks of ecosystem shifts, dieback and irreversibility.

Convenors: Chris Lennard - University of Cape Town, South Africa; Addisu Semie - Addis Ababa University, Ethiopia

Session description : Assess impact of climate change (including extremes) on human systems with a focus on water resources, agriculture and food supply, etc.

Convenors: Kristie Ebi - University of Washington, USA; Sari Kovats - London School of Hygiene & Tropical Medicine, UK; Negin Nazarian - University of New South Wales (UNSW), Australia

Session description : Quantifying the impact of global climate change on human health, developing methods for climate change risk assessment for population health, and modelling urban trends, demographic change, urban climates on health, wellbeing and productivity.

Convenors: Julie Arblaster - Monash University, Australia; Isla Simpson - UCAR, USA; Xiuqun Yang - Nanjing University, China

Session description : Contributions that assess climate and weather changes with an emphasis on understanding the underlying climate physics that generate such events. This covers changes in large scale atmospheric or oceanic circulation, as well as regional/local circulation changes such as storms and eddies.

Convenors: Izidine Pinto - University of Cape Town, South Africa; Sarah Perkins-Kirkpatrick - University of New South Wales (UNSW), Australia; Joyce Kimutai - Kenya Meteorological Department, Kenya

Session description : Contributions that attribute climate change and weather and climate extremes to external factors on regional and/or global scales; attribution of impacts to climate change. Developing and evaluating methodology for climate change attribution and extreme events attribution; communication and application of attribution studies for societal benefit.

Convenors: Tannecia Stephenson - The University of the West Indies at Mona, Jamaica; Arona Diedhiou - Institut de Recherche pour le Développement (IRD), France; Mouhamadou Bamba Sylla - African Institute of Mathematical Sciences (AIMS), Rwanda

Session description : Assessment of climate change at regional level, including regional drivers and response. Focus on changes in dynamics, variability, predictability, and uncertainty. Studies with a focus on Africa are encouraged.

Convenors: Ines Camilloni - Centro de Investigaciones del Mar y la Atmósfera (CIMA), Argentina; Peter Irvine - University College London, UK; Romaric Oudoulami - University of Cape Town, South Africa

Session description : Contributions focusing on high mitigation scenarios, overshoot and impact on the dynamics of the Earth System and reversibility of changes. Also contributions on direct climate interventions such as solar radiation modification (SRM), Carbon dioxide Removal (CDR), marine cloud brightening (MCB) and potential impacts on climate response but also on society and ecosystems; ethical implications of climate interventions.

Theme 3: Co-produced Climate Services and Solutions

Convenors: Jana Sillmann - University of Hamburg, Germany; Tim Raupach - University of New South Wales (UNSW), Australia; Shampa - Bangladesh University Of Engineering and Technology, Bangladesh; Olivia Romppainen-Martius - Geographisches Institut, Switzerland

Session description : Includes cascading and compounding events; slow onset (heatwaves, droughts) events; and fast onset (heavy precipitation, Tropical and Extratropical Cyclones, storms) events. Early warning and forecast skill across various temporal and spatial scales. Assessment of current and future hazards.

Convenors: Francisco J. Doblas-Reyes - Barcelona Supercomputing Center, Spain; Caio Augusto dos Santos Coelho - Centro de Previsão de Tempo e Estudos Climáticos, Brazil; Chi Huyen Truong - Himalayan University Consortium, Mountain Knowledge and Action Networks, Nepal

Session description : Distillation/downscaling methods and approaches. Managing contradictions in downscaled information. Integrating global/regional / local scale information. Regional information for compound events.

Convenors: Elisabeth Thompson - Met Office, UK; Alexander Ruane Nasa, USA

Session description : Developing unambiguous and communicable climate information. Designing services informed by stakeholder context. Climate information (past, present and future) on derivative variables (thresholds, extremes, compound climate responses, regional tipping points, etc.). How to characterize what is plausible, defensible and actionable information. Meta-data and methodology transparency in climate services.

Convenors: Douglas Maraun - University of Graz, Austria; Marjolijn Haasnoot - DELTARES, The Netherlands

Session description : Metrics of uncertainty/robustness that are context relevant to decision makers. Framing uncertainty in decision contexts. Scale dependence of uncertainty. Information dependency on assumptions and methodology choices. Irreducible uncertainty at regional scales. Developing communicable uncertainty.

Convenors: Daniela Jacob - Helmholtz-Zentrum Hereon, Germany; Asuncion Lear St Claire - Digital Assurance Research Center, Norway; Simon Marsland - CSIRO, Australia

Session description : Good practices, protocols, principles, and methods. Framing in decision contexts. Bringing society into the science. Contested pathways and the role of information. Information for anticipatory adaptation. Co-production for decision making versus policy framing. Cross-cultural engagement and the roles of ethics and values. Power relationships and dynamics between the resource rich and resource poor nations (e.g. global north-south). Social learning.

Convenors: Tufa Dinku - International Research Institute for Climate and Society (IRI), USA; Pablo Borges de Amorim - Gesellschaft für Internationale Zusammenarbeit (GIZ) , Brazil

Session description : Understanding what constitutes good capacity development. Accommodating heterogenous development needs. Developing scientists’ capacity to understand decision context. Developing regionally appropriate good practices guidance. Institutional and individual capacity development. Developing regional research activities for experiential learning. Transdisciplinary collaboration.

Convenors: Adriaan Perrels - Finnish Meteorological Institute, Finland

Session description : Policy dialogue: common space for scientists and policy developers. Science diplomacy for climate action and sustainable development. Future climate scenarios and regional mitigation. Regional forcing, socio-economic drivers of regional climate change. Regional climate responses to mitigation actions (such as negative emissions, carbon dioxide removal (CDR), solar radiation modification (SRM) etc), including quantitative impact analyses. Regional climates and process responses under climate overshoot. Earth system response to strong mitigation with negative emissions. Climate services and systemic change. Informing science-based adaptation strategies.

Convenors: Andrew Robertson - International Research Institute for Climate and Society (IRI), USA; Anna Steynor - Met Office, UK; Geneva List - International Research Institute for Climate and Society (IRI), USA

Session description : Metrics of information robustness, and of appropriate communication and adoption. Assessing the relationship between information uncertainty and decision consequence. Ethics and values, accountability, misunderstanding and contradiction between services, and avoiding maladaptation. Defining and assessing added value in decision contexts. Context specific barriers to information access use and understanding. Global north-south interactions in provider-client dynamics. Socio-economic benefits of climate services. Prioritizing investments in climate services.

Convenors: Piotr Wolski - University of Cape Town, South Africa; Monica Morrison - UCAR, USA

Session description : Information on extremes (broad definition). Decision scales versus data scales. Seamless time scales from seasonal to multi-decadal. Climate prediction versus climate projection (from sub-seasonal to multi-decadal decadal) with focus on impacts, extremes, and hazards. Climate impact drivers. Skill scales relative to application context.

Convenors: Abdou Ali Cra - AGRHYMET Regional Center, Niger; Martin Visbeck - GEOMAR, Germany

Session description : Quality and contradictions; discovery, access and data sparse regions. Observations to test mitigation approaches. Observations for attribution studies.

Convenors: Amadou T. Gaye - Université Cheikh Anta Diop, Senegal; Kamoru Abiodun Lawal - Nigerian Meteorological Agency, Niger; Rupert Stuart-Smith - University of Oxford, UK

Session description : Attribution of multi-annual to decadal changes in climate system. Attribution of regional extremes. Institutional capacity / access to attribution. Linking attribution information and the decision maker. Attribution of climate impact drivers.

Convenors: Ángel G. Muñoz - Barcelona Supercomputing Center, Spain; Franck Eitel Ghomsi - University of Yaounde, Cameroon; Yong Luo - Tsinghua University, China

Session description : Developing early warning systems. Impact and risk probability. Integration with quantitative impact analyses (contributions to IPCC AR7 and Global Stocktake). Climate triggers for anticipatory adaptation.

Convenors: Judith Mulwa - GSMA, Kenya; Christopher Hewitt - World meteorological Organization (WMO), Switzerland

Session description : The global (framework for) climate services at regional and local scales. Roles of National Meteorological Services, commercial, academic and institutional climate services. Dynamics of global-north-south relationships in climate services. Open-source climate science / Open Access publications. Tools and resources (including IPCC AR6 Regional Atlas), and transparency on strengths, weaknesses, and limitations. Improving communication and diffusion of information. Sustainability of capacity.

Convenors : Mzime Ndebele-Murisa - START international, Zimbabwe; Julie Arrighi - Red Cross, USA

Session description : The power of learning from humility, honesty and admitting failure. How climate services can go wrong. Contested power dynamics. Mis-communicating certainty. Misunderstandings and confusion. Assumptions and biases. Cross-cultural complications. Fostering a community of collaboration versus competition.

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