May 16-18, 2018

Atmosphere, Oceans, and Computational Infrastructure

California Institute of Technology
Wednesday, May 16, 2018
Time Event Speaker
8:00 - 8:30 Coffee/Check-in
8:30 - 8:45 Welcome and Workshop Goals
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Tapio Schneider (Caltech/JPL)
8:45 - 9:10 Touring the Landscape of GCM Development
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Paul Kushner (University of Toronto)
9:10 - 9:35 Earth System SkunkWorks
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David Randall (Colorado State University)
9:35 - 10:00 Evolution, not Revolution
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Gavin Schmidt (NASA GISS)
10:00 - 10:20 Coffee Break
10:20 - 10:45 When do the Details Matter? Being Mindful of Overlooked or Neglected Aspects of Earth System Modeling
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Phil Rasch (Pacific Northwest National Laboratory)
10:45 - 12:00 Discussion (moderator: Tapio Schneider)
12:00 - 1:00 Lunch (Arms South Patio)
1:00 - 1:25 Extreme Event Risk and Earth System Models
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Adam Sobel (Columbia University)
1:25 - 1:50 Parametrized Physics: Improvement and Uncertainty Quantification
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Frédéric Hourdin (CNRS/LMD)
1:50 - 2:15 Machine Learning for Moist Physics Parameterization in ESMs
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Chris Bretherton (University of Washington)
2:15 - 2:40 Exploring the Potential of Machine Learning for Parameterization of Moist Convection in Simulations of Climate
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Paul O’Gorman (MIT)
2:40 - 3:05 Some Thoughts on Using Machine Learning for Cumulus Parameterization
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Zhiming Kuang (Harvard University)
3:05 - 3:25 Coffee Break
3:25 - 3:50 Two Viable Approaches for Next-Gen Cloud-Climate Simulation—Augmented Superparameterization vs. a Machine Learning End-Run
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Mike Pritchard (UC Irvine)
3:50 - 5:15 Discussion (moderator: Paul Kushner)
6:00 Workshop Reception and Dinner (Caltech Athenaeum, building #61)
Thursday, May 17, 2018
Time Event Speaker
8:30 - 8:55 Modeling Deep Ocean Currents: Persistent Challenges, Recent Insights, and Potential Implications
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Julie Deshayes (CNRS)
8:55 - 9:20 Parameterizations and Data Assimilation in the MIT Ocean Model
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Raffaele Ferrari (MIT)
9:20 - 9:45 Diurnal and High-Frequency Variability in the Upper Ocean
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Sarah Gille (Scripps, UC San Diego)
9:45 - 10:10 Getting Fundamentals Right: Lognormality and Reactions of Oceanic Turbulence
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Baylor Fox-Kemper (Brown University)
10:10 - 10:30 Coffee Break
10:30 - 10:55 Stochastic Parametrizations of Ocean Turbulence
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Laure Zanna (Oxford University)
10:55 - 11:20 Computational Modeling Challenges at the Ocean’s High Latitudes
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Andrew Stewart (UCLA)
11:20 - 11:45 Including Small-Scale Processes and Their Interactions in Ocean Climate Models
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Sonya Legg (Princeton University)
11:45 - 1:00 Lunch (Arms South Patio)
1:00 - 2:15 Discussion (moderator: Alistair Adcroft)
2:15 - 2:40 Data Assimilation and Short-Term Prediction Motivate the Need for Careful Software Development in Earth System Models: A Case Study
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Jeffrey Anderson (NCAR)
2:40 - 3:05 Characterizing Climate Variability in Models and Observations via the Spectral Theory of Dynamical Systems
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Dimitris Giannakis (New York University)
3:05 - 3:25 Coffee Break
3:25 - 3:50 Comments in Support of Launching a New Climate Modeling Effort
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John Marshall (MIT)
3:50 - 4:15 Ensemble-Based Parameter Learning and Uncertainty Quantification in Complex Models
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Andrew Stuart (Caltech)
4:15 - 4:40 Experimental Design for Parameter Estimation and Uncertainty Quantification in Complex Computer Models: Issues and Examples
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Derek Bingham (Simon Fraser University)
4:40 - 5:50 Discussion (moderator: Balaji)
Friday, May 18, 2018
Time Event Speaker
8:30 - 8:55 Infrastructure Requirements for Future Earth System Models
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V. Balaji (Princeton University)
8:55 - 9:20 Lessons from Developing and Maintaining a Weather and Climate Model for Heterogeneous HPC Systems Oliver Fuhrer (MeteoSwiss)
9:20 - 9:45 Turning Lessons Learned Into Guiding Principles: Ideas for Reinventing the Earth System Modeling Enterprise
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Todd Ringler (Los Alamos National Laboratory)
9:45 - 10:10 The Conflict Between Chip Architecture and Ocean Model (Coordinate) Generalization
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Alistair Adcroft (NOAA Geophysical Fluid Dynamics Laboratory)
10:10 - 10:30 Coffee Break
10:30 - 10:55 Lessons Learned on the Development of a Flexible Software Infrastructure for ESMs for Modern Computing Architectures
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Frank Giraldo (Naval Postgraduate School)
10:55 - 12:00 Discussion (moderator: Raffaele Ferrari)
12:00 - 1:00 Lunch (Arms South Patio)
1:00 - 1:25 Reimagining Radiation in Earth System Models
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Robert Pincus (University of Colorado)
1:25 - 1:50 Convective Aggregation, Clouds, and Climate: Implications of Recent CRM Results
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Allison Wing (Florida State University)
1:50 - 2:15 Reverse-Engineering Convection and Stochastic Hierarchies: Digesting Fast-Process Observations for Climate Models
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David Neelin (UCLA)
2:15 - 3:00 Discussion (moderator: Joao Teixeira)
3:00 - 3:10 Wrap-up and Next Steps Tapio Schneider, all
3:10 - 3:30 Coffee
End of formal workshop program
3:30 - 5:00 Informal discussion of follow-up plans among participants who will stay through Friday evening