Chattopadhyay, Ashesh
- FourCastNet: A Global Data-driven High-resolution Weather Model using Adaptive Fourier Neural Operators
2022/02/22 by Jaideep Pathak, Pathak, Jaideep, Shashank Subramanian +23 · 3 voices · 135 citations
Earth and Planetary Sciences · Engineering · Environmental Science · #Meteorological Phenomena and Simulations #Energy Load and Power Forecasting #Hydrological Forecasting Using AI
- Challenges of learning multi-scale dynamics with AI weather models: Implications for stability and one solution
2023/04/14 by Ashesh Chattopadhyay, Chattopadhyay, Ashesh, Sun, Y. Qiang +1 · 7 citations
Earth and Planetary Sciences · Environmental Science · #Artificial Intelligence (cs.AI) #Atmospheric and Oceanic Physics (physics.ao-ph) #Climate variability and models #FOS: Computer and information sciences #FOS: Mathematics #FOS: Physical sciences #Fluid Dynamics (physics.flu-dyn) #Machine Learning (cs.LG) #Meteorological Phenomena and Simulations #Numerical Analysis (math.NA) #Oceanographic and Atmospheric Processes
- OceanNet: A principled neural operator-based digital twin for regional oceans
2023/10/01 by Chattopadhyay, Ashesh, Gray, Michael, Wu, Tianning +2 · 7 citations
#Artificial Intelligence (cs.AI) #Atmospheric and Oceanic Physics (physics.ao-ph) #Chaotic Dynamics (nlin.CD) #FOS: Computer and information sciences #FOS: Physical sciences #Machine Learning (cs.LG)
- What You See is Not What You Get: Neural Partial Differential Equations and The Illusion of Learning
2024/11/22 by Arvind Mohan, Ashesh Chattopadhyay, Mohan, Arvind +3 · 1 voice · 3 citations
Computer Science · #Neural Networks and Applications
- LUCIE: A Lightweight Uncoupled ClImate Emulator with long-term stability and physical consistency for O(1000)-member ensembles
2024/05/25 by Haiwen Guan, Guan, Haiwen, Troy Arcomano +5 · 3 citations
Computer Science · Decision Sciences · #Advanced Data Storage Technologies #Atmospheric and Oceanic Physics (physics.ao-ph) #Computational Physics (physics.comp-ph) #FOS: Computer and information sciences #FOS: Physical sciences #Machine Learning (cs.LG) #Parallel Computing and Optimization Techniques #Scientific Computing and Data Management
- Data Imbalance, Uncertainty Quantification, and Generalization via Transfer Learning in Data-driven Parameterizations: Lessons from the Emulation of Gravity Wave Momentum Transport in WACCM
2023/11/27 by Y. Qiang Sun, Sun, Y. Qiang, Hamid A. Pahlavan +15 · 2 citations
Earth and Planetary Sciences · Environmental Science · #Atmospheric and Oceanic Physics (physics.ao-ph) #Climate variability and models #FOS: Physical sciences #Geophysics and Gravity Measurements #Meteorological Phenomena and Simulations
- Simultaneous emulation and downscaling with physically-consistent deep learning-based regional ocean emulators
2025/01/09 by Leonard Lupin-Jimenez, Moein Darman, Lupin-Jimenez, Leonard +13 · 1 voice · 2 citations
Computer Science · Physics and Astronomy · #Artificial Intelligence (cs.AI) #Atmospheric and Oceanic Physics (physics.ao-ph) #Chaotic Dynamics (nlin.CD) #FOS: Computer and information sciences #FOS: Physical sciences #Geophysics (physics.geo-ph) #Machine Learning (cs.LG) #cs.AI #cs.LG #nlin.CD #physics.ao-ph #physics.geo-ph
- Long-term stability and generalization of observationally-constrained stochastic data-driven models for geophysical turbulence
2022/05/09 by Ashesh Chattopadhyay, Jaideep Pathak, Chattopadhyay, Ashesh +7 · 1 citation
Earth and Planetary Sciences · Engineering · Environmental Science · #Atmospheric and Oceanic Physics (physics.ao-ph) #Chaotic Dynamics (nlin.CD) #Energy Load and Power Forecasting #FOS: Computer and information sciences #FOS: Physical sciences #Fluid Dynamics (physics.flu-dyn) #Geophysics (physics.geo-ph) #Hydrological Forecasting Using AI #Machine Learning (cs.LG) #Meteorological Phenomena and Simulations
- Partition of Unity Physics-Informed Neural Networks (POU-PINNs): An Unsupervised Framework for Physics-Informed Domain Decomposition and Mixtures of Experts
2024/12/07 by A. Rodríguez Rodríguez, Rodriguez, Arturo, Ashesh Chattopadhyay +7 · 1 citation
Computer Science · #FOS: Computer and information sciences #Machine Learning (cs.LG) #Topic Modeling