PDES ON THE SPHERE 2025 - Sciencesconf.org

Mon. 12

Tue. 13

Wed. 14

Thu. 15

Fri. 16

08:00

09:00

10:00

11:00

12:00

13:00

14:00

15:00

16:00

17:00

18:00

19:00

20:00

21:00

22:00

Welcome Coffee

Welcome Talk

Equation sets

Coffee break

Equation sets

Lunch

Spatial discretization

Coffee break

Spatial discretization

Happy Hour

Test cases

Coffee break

Time discretization & integration

Lunch

Spatial discretization

Coffee break

MONAN (Model for Ocean-laNd-Atmosphere PredictioN)

Related Topics

Coffee break

Poster (Flash Talks)

10:30 - 11:40 (1h10)

Poster (Flash Talks)

Auditório Jacy Monteiro

› A robust high-order finite volume method for advection on geodesic spherical grids. - Jeferson Granjeiro, Institute of Mathematics and Statistics - University of São Paulo 10:30-10:37 (07min)

› Assessment and sensitivity studies of Numerical Weather Prediction Models during Catastrophic Flooding in Rio Grande do Sul - Ariane Frassoni, National Institute for Space Research [Sao José dos Campos] = Instituto Nacional de Pesquisas Espaciais 10:37-10:44 (07min)

› Data Assimilation Using Generative Adversarial Networks for Global Models - Otavio Feitosa, CEMPA Cerrado, Instituto Nacional de Pesquisas Espaciais - Haroldo Velho, Instituto Nacional de Pesquisas Espaciais 10:51-10:58 (07min)

› Exploring grid and nudging strategies for wind energy assessment in the Model for Prediction Across Scales - Guilherme Torres Mendonça, Institute of Mathematics and Statistics - University of São Paulo 10:58-11:05 (07min)

› High-order Hodge Stars Operators for Discrete Exterior Calculus on Voronoi-Delaunay Biperiodic Meshes - João Gomes, Institute of Mathematics and Statistics [Sao Paulo] 11:05-11:12 (07min)

› Nonlinear wave interactions in shallow water equations on the sphere - Marco Dourado, Instituto de Matemática e Estatística 11:12-11:19 (07min)

Group Photo
Poster (Flash Talks)

Lunch

Tour to Parque Estadual Cantareira - Pedra Grande

Machine learning

Coffee break

Machine learning

Lunch

	Mon. 12	Tue. 13	Wed. 14	Thu. 15	Fri. 16
08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00	Welcome Coffee 8:00 - 8:45 (45min) Welcome Coffee Auditório Jacy Monteiro Welcome Talk 8:45 - 9:00 (15min) Welcome Talk Relevant information regarding event logistics. Equation sets 9:00 - 10:30 (1h30) Equation sets Auditório Jacy Monteiro › Thermodynamic consistency and energy conservation for the multiphase moist compressible Euler equations - Dave Lee, Bureau of Meteorology 09:00-09:30 (30min) › Exploring a Convolution-Based Self Attraction and Loading Technique for the Ocean Model MOM6 - Anthony Chen, University of Michigan 09:30-10:00 (30min) › Multiscale numerical methods for geoscientific subgrid-scale process representation - Joern Behrens, Universitaet Hamburg 10:00-10:30 (30min) Coffee break 10:30 - 11:00 (30min) Coffee break Auditório Jacy Monteiro Equation sets 11:00 - 12:30 (1h30) Equation sets Auditório Jacy Monteiro › About the spherical and ellipsoidal geopotential approximation and first results with a Discontinuous Galerkin dynamical core - Michael Baldauf, Deutscher Wetterdienst 11:00-11:30 (30min) › A novel deep-atmosphere variant of the HOMME dynamical core for the E3SM climate model - Owen Hughes, Department of Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor 11:30-12:00 (30min) › Exploring Non-Hydrostatic Effects in ECMWF's IFS: Stability, Accuracy, and Forecast Skill at Kilometer-Scale Resolutions - Jozef Vivoda, European Centre for Medium-Range Weather Forecasts (online) 12:00-12:30 (30min) Lunch 12:30 - 14:00 (1h30) Lunch Restaurants Spatial discretization 14:00 - 15:30 (1h30) Spatial discretization Auditório Jacy Monteiro › Spherical Harmonics Least Square approximation on the Cubed-Sphere grid - Matthieu Brachet, Laboratoire de mathématiques et applications (online) 14:00-14:30 (30min) › A dynamical core for global atmospheric model using summation-by-parts finite-differences method - Vladimir Shashkin, G.I. Marchuk Institute of Numerical Mathematics, Russian Academy of Sciences [Moscow], Hydrometcentre of Russia, [Moscow] 14:30-15:00 (30min) › Robust discontinuous Galerkin models for atmospheric dynamics using non-conforming mesh refinement - Tommaso Benacchio, Weather Research, Danish Meteorological Institute, Denmark 15:00-15:30 (30min) Coffee break 15:30 - 16:00 (30min) Coffee break Auditório Jacy Monteiro Spatial discretization 16:00 - 17:00 (1h) Spatial discretization Auditório Jacy Monteiro › Analysis of finite-volume transport schemes on cubed-sphere grids and an accurate scheme for divergent winds - Luan Santos, Cooperative Institute for Modeling the Earth System, Princeton University 16:30-17:00 (30min) › A Sparse Grid Hexagonal Grid on the sphere based on the L-Galerkin approach o2o2 - Jurgen Steppeler (University Bonn) 16:30-17:00 (30min) Happy Hour 18:30 - 21:00 (2h30) Happy Hour	Test cases 9:00 - 10:30 (1h30) Test cases Auditório Jacy Monteiro › New Idealized Test Cases for the Dynamical Cores of General Circulation Models - Christiane Jablonowski, University of Michigan 09:00-09:30 (30min) › A minimal adiabatic example of sudden stratospheric warming - Joseph Mouallem, Atmospheric and Oceanic Sciences Program, Princeton University 09:30-10:00 (30min) › Third-Order, Adaptively Implicit Time Stepping for Advection Enabling Long Time Steps - Amber Te Winkel, University of Reading 10:00-10:30 (30min) Coffee break 10:30 - 11:00 (30min) Coffee break Auditório Jacy Monteiro Time discretization & integration 11:00 - 12:30 (1h30) Time discretization & integration Auditório Jacy Monteiro › Accuracy analysis and improvement of a semi-Lagrangian exponential integration method for the shallow-water equations on the rotating sphere - Joao Guilherme Caldas Steinstraesser, Institute of Mathematics and Statistics - University of São Paulo 11:00-11:30 (30min) › Stability analyses of divergence and vorticity damping on cubed-sphere grids - Timothy Andrews, University of Michigan 11:30-12:00 (30min) › Interesting features of the dynamical core of CCAM - John McGregor, CSIRO Environment, Melbourne 12:00-12:30 (30min) Lunch 12:30 - 14:00 (1h30) Lunch Restaurants Spatial discretization 14:00 - 15:30 (1h30) Spatial discretization Auditório Jacy Monteiro › Sub-spherical harmonics - Laplacian eigenfunctions of the sub-domains on the sphere - Janakiraman Subburathnam, Centre for Development of Advanced Computing, Bangalore (online) 14:00-14:30 (30min) › Splitting horizontal and vertical element order in a compatible finite element discretisation - Daniel Witt, Univeristy of Exeter 14:30-15:00 (30min) › Improving the accuracy of TRiSK-type schemes - Eldred Christopher, Sandia National Laboratories [Albuquerque] 15:00-15:30 (30min) Coffee break 15:30 - 16:00 (30min) Coffee break Auditório Jacy Monteiro MONAN (Model for Ocean-laNd-Atmosphere PredictioN) 16:00 - 16:30 (30min) MONAN (Model for Ocean-laNd-Atmosphere PredictioN) Auditório Jacy Monteiro Pedro Dias (University of São Paulo)	Related Topics 8:30 - 10:00 (1h30) Related Topics Auditório Jacy Monteiro › A scalable ADER-DG transport method with a polynomial-order-independent CFL limit for efficient high-order simulations - Kieran Ricardo, The Australian National University (Online) 08:30-09:00 (30min) › Ekman Transport on a sphere - Nathan Paldor, Fredy and Nadine Herrmann Institute of Earth Sciences, The Hebrew University of Jerusalem 09:00-09:30 (30min) › pyBELLA+: An idealised laboratory testbed for investigating novel NWP applications - Ray Chew, California Institute of Technology, Freie Universität Berlin, Goethe-Universität Frankfurt am Main 09:30-10:00 (30min) Coffee break 10:00 - 10:30 (30min) Coffee break Auditório Jacy Monteiro Poster (Flash Talks) 10:30 - 11:40 (1h10) Poster (Flash Talks) Auditório Jacy Monteiro › A robust high-order finite volume method for advection on geodesic spherical grids. - Jeferson Granjeiro, Institute of Mathematics and Statistics - University of São Paulo 10:30-10:37 (07min) › Assessment and sensitivity studies of Numerical Weather Prediction Models during Catastrophic Flooding in Rio Grande do Sul - Ariane Frassoni, National Institute for Space Research [Sao José dos Campos] = Instituto Nacional de Pesquisas Espaciais 10:37-10:44 (07min) › Data Assimilation Using Generative Adversarial Networks for Global Models - Otavio Feitosa, CEMPA Cerrado, Instituto Nacional de Pesquisas Espaciais - Haroldo Velho, Instituto Nacional de Pesquisas Espaciais 10:51-10:58 (07min) › Exploring grid and nudging strategies for wind energy assessment in the Model for Prediction Across Scales - Guilherme Torres Mendonça, Institute of Mathematics and Statistics - University of São Paulo 10:58-11:05 (07min) › High-order Hodge Stars Operators for Discrete Exterior Calculus on Voronoi-Delaunay Biperiodic Meshes - João Gomes, Institute of Mathematics and Statistics [Sao Paulo] 11:05-11:12 (07min) › Nonlinear wave interactions in shallow water equations on the sphere - Marco Dourado, Instituto de Matemática e Estatística 11:12-11:19 (07min) Group Photo Poster (Flash Talks) 11:30 - 11:30 () Group Photo Group Photo Lunch 11:40 - 13:10 (1h30) Lunch Restaurants Tour to Parque Estadual Cantareira - Pedra Grande 13:20 - 18:00 (4h40) Tour to Parque Estadual Cantareira - Pedra Grande TBD	Machine learning 9:00 - 10:30 (1h30) Machine learning Auditório Jacy Monteiro › Modeling global surface dust deposition using physics-informed neural networks - Elwin Van 't Wout, Institute for Mathematical and Computational Engineering, Pontificia Universidad Católica de Chile 09:00-09:30 (30min) › Leveraging machine learning for improved numerical weather prediction through large-scale spectral nudging - Syed Zahid Husain, Environment and Climate Change Canada 09:30-10:00 (30min) › Hybrid Models for Extreme Meteorological Events - Haroldo Campos Velho, National Institute for Space Research 10:00-10:30 (30min) Coffee break 10:30 - 11:00 (30min) Coffee break Auditório Jacy Monteiro Machine learning 11:00 - 12:30 (1h30) Machine learning Auditório Jacy Monteiro › Satellite Data Assimilation by EnKF and Cellular Neural Network for Global models - Cesar Magno Oliveira Junior, Universidade de São Paulo 11:00-11:30 (30min) › Deep Learning for Super-Resolution in ICON-O - Fabricio Rodrigues Lapolli, Max-Planck-Institut für Meteorologie 11:30-12:00 (30min) › Foundational AI for Solving PDEs and Systems on the Sphere - Christopher Pain, Applied Modelling and Computation Group, Imperial College London - Boyang Chen, Applied Modelling and Computation Group, Imperial College London (online) 12:00-12:30 (30min) Lunch 12:30 - 14:00 (1h30) Lunch Restaurants Related Topics 14:00 - 15:30 (1h30) Related Topics Auditório Jacy Monteiro › U-Net type convolutional neural network for data assimilation - Gerônimo Lemos, Instituto Nacional de Pesquisas Espaciais 14:00-14:30 (30min) › Poseidon: A Source-to-Source Compiler for Optimizing Ocean Simulation Models on Modern HPC Architectures - Martin Schreiber, Université Grenoble Alpes 14:30-15:00 (30min) Coffee break 15:30 - 16:00 (30min) Coffee break Auditório Jacy Monteiro Future Perspectives of Machine Learning use in Weather, Ocean and Climate Models. 16:00 - 16:45 (45min) Future Perspectives of Machine Learning use in Weather, Ocean and Climate Models. Auditório Jacy Monteiro Discussion Dinner 18:30 - 22:00 (3h30) Dinner	Physics Dynamics Coupling 9:00 - 10:30 (1h30) Physics Dynamics Coupling Auditório Jacy Monteiro › Efficient stochastic closure modelling by assimilating statistics - Sagy Ephrati, Chalmers University of Technology 09:00-09:30 (30min) › Turbulence model of the atmospheric boundary layer by G. I. Taylor's statistical theory applied to the global model BAM-INPE - Eduardo Rohde Eras, Instituto Nacional de Pesquisas Espaciais 09:30-10:00 (30min) › Recent Progress on the Met Office's LFRic Atmosphere Model - Thomas Bendall, Met Office (online) 10:00-10:30 (30min) Coffee break 10:30 - 11:00 (30min) Coffee break Auditório Jacy Monteiro Collaboration Workspace 11:00 - 12:00 (1h) Collaboration Workspace Final discussions on collaborations constructed during the event.