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Stephen M. Griffies

World maps with simulations projected on them.
Posted inEditors' Highlights

A Leap Toward Next-Generation Ocean Models

by Florian Lemarié and Stephen M. Griffies 1 May 20251 May 2025

GPU-optimized ocean modeling achieves decade-long simulations in a day, enabling mesoscale-resolving climate simulations that open new opportunities for long-term planning in a changing climate.

Diagram from the paper.
Posted inEditors' Highlights

Physics + Machine Learning Provide a Better Map of Ocean Measurements

by Stephen M. Griffies and Oliver Watt-Meyer 15 July 202411 July 2024

A new study offers a compelling example where the merger of dynamical modeling, machine learning, and ocean measurements enhances oceanographic understanding, monitoring, and mapping.

3 simulations presented in the paper.
Posted inEditors' Highlights

Interactive Learning for Better AI-Based Subgrid-Scale Modeling

by Pedram Hassanzadeh and Stephen M. Griffies 18 January 202318 January 2023

A study shows that interactive learning can significantly enhance the performance of artificial intelligence-based parameterization of small-scale processes, a critical component of climate models.

Two maps using color to show sea level and resulting self-attraction and loading field.
Posted inEditors' Highlights

Accurate Ocean Tides for Earth System Models

by Stephen M. Griffies 1 December 202216 February 2023

Accurate tide models require self-attraction and loading terms, but can this calculation be done accurately and efficiently for use in global tide and Earth system models?

A photo of Stephen Griffies and a JAMES cover.
Posted inEditors' Vox

Introducing the New Editor in Chief of JAMES

by Stephen M. Griffies 2 March 202121 October 2022

Find out about the person taking the helm of AGU’s dedicated earth system modeling journal, JAMES, and his vision for the coming years.

A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

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The Uncertain Fate of the Beaufort Gyre

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Beyond Up and Down: How Arctic Ponds Stir Sideways

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Decoding Crop Evapotranspiration

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