CESM Workshop 2025

Monday, June 9th

Center Green Auditorium

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 Registration 

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Everette Joseph, NCAR Director 

Welcome

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David Lawrence

State of CESM

 

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CESM Distinguished Achievement Award 

Ping Chang

Bridging Low-Resolution CMIP and Storm-Resolving Scales: High-Resolution CESM Climate Simulation Ensembles

 

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CESM Graduate Student Award

Giovanni Seijo-Ellis 

The Caribbean Sea, modeling and opportunities in CESM

 

Jonah Shaw

Evaluating CESM Against Satellite Spectral Radiation Observations

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Break

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Plenary Speakers, focal topics: Applications of Earth System Predictability, Science → Impact, Incorporating Social Dynamics models  

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Lunch

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Break

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Atmosphere Working Group Agenda

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AMWG



1:30pm- Peter Lauritzen

CAM7 development update


1:36pm- Vincent Larson

Use of tuning diagnostics to understand CAM behavior


1:48pm- Ben Stephens

Cyclones at Quarter-Degree Resolution: Updated CAM with Prognostic Vs. Diagnostic Momentum Fluxes Compared to CAM5 and CAM6


2:00pm- Adam Herrington

The CLUBB+MF Approach: Results from the Unified Mixing Parameterization CPT Project


2:12pm- Brandon Duran (Remote)

Aerosol Effects on Ice Clouds in a CAM6 Perturbed Parameter Ensemble


2:24pm- Ada Gjermundsen (Remote)

The impact of model resolution on climate in NorESM3


2:36pm- 


2:48pm- Wei-Liang Lee

Development of High-resolution Taiwan Earth System Model


3:00pm- Break


3:30pm- Aaron Johnson

Using an Aqua-planet Model to Understand Future Changes in the Quasi-Biennial Oscillation


3:42pm- Christiane Jablonowski

Insights from the 2025 Dynamical Core Model Intercomparison Project (DCMIP-2025)


3:54pm- Lan Luan

QBO, gravity wave, and deep convection responses to surface warming in GFDL AM5 simulations


4:06pm- Dave Randall

EarthWorks Update


4:18pm- Timothy Andrews

Linear stability of divergence and vorticity damping on gnomonic cubed-sphere grids


4:30pm- Owen Hughes

Deep-atmosphere dynamics in Aquaplanets: an E3SM/CESM intercomparison


4:42pm- Hing Ong

Mitigation of the double-ITCZ bias by inclusion of the nontraditional Coriolis terms


4:54pm- Discussion


5:00pm- Adjourn

 Land Model Working Group Agenda

LMWG

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1:30pm- Will Wieder

Welcome


1:35pm- Yuan Sun (Remote)

Modeling urban traffic heat flux in the Community Earth System Model


1:50pm- Junjie Yu (Remote)

Integration and execution of Community Land Model Urban (CLMU) in a containerized environment


2:05pm- Peter Lawrence

Using Emission Driven CESM to Investigate Global Tipping Points and Climate Interventions


2:20pm- Charlie Koven

Transient Historical Land Use Simulations with FATES


2:35pm- Will Wieder

CLM6 overview presentation


2:50pm- Discussion


3:00pm- Break


3:30pm- Will Wieder

Return & Welcome


3:35pm- Linnia Hawkins

Systematically constraining parametric uncertainty in CLM6


3:50pm- Ignacio Aguirre Belmar

Leveraging machine learning emulators for efficient parameter estimation for 154 flux towers using SUMMA


4:05pm-  Aya Lahlou

Towards Climate-Adaptive Phenology in CLM Using Machine Learning


4:20pm- Flavio Lehner

Observational constraints on runoff sensitivity of global river basins


4:35pm-  Hyunyoung Oh (Remote)

Enhanced Wetland Representation and Parameter Optimization for Carbon-Flux Simulations in CLM5


4:50pm- Discussion


5:00pm- Adjourn

Land Ice Working Group Agenda 

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LIWG



1:30pm- Gunter Leguy

LIWG history and updates


1:48pm- Kate Thayer-Calder

Using the CESM test framework for CISM development


2:00pm- Robin Smith (Remote)

Coupled ESM-ISM simulations for ISMIP7


2:15pm- Kaixuan Kang

The Effect of Lateral Viscosity Variations on Local Sea Level and Bedrock Deformation in Antarctica


2:30pm- Shaina Sadai (Remote)

Antarctic meltwater alters future projections of climate and sea level


2:45pm- David Behar (Remote)

Taking Science to Action Seriously: An Actionable Science Perspective on Land Ice and Sea Level Rise Projections


3:00pm- BREAK


3:30pm- Michele Petrini

Land ice component in the Norwegian Earth System Model: towards CMIP7 and beyond


3:45pm- Fairuz Ishraque

Using the Community Ice Sheet Model to Inform Ice Core Drilling Efforts in Antarctic Interior and Blue Ice Areas


4:00pm- Miren Vizcaino

Impact of elevation feedbacks and climate mitigation on future Greenland ice sheet mass loss


4:15pm- Ziqi Yin (Remote)

Emulating Greenland Ice Sheet Surface Melt Using Graph Neural Networks


4:30pm- Rachel Middleton

Supraglacial Water Signatures Reflect Changes in Ice Dynamics


4:45pm- Samar Minallah

Mountain Glaciers in CISM: Current Capabilities and Future Directions


5:00pm- Adjourn

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Poster Session and Information Exchange 

Tuesday, June 10th

Center Green Auditorium

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Climate Variability and Change Working Group Agenda

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CVCWG




8:30am- Isla Simpson, Aixue, Hu, Sarah Larson

CVCWG update


8:40am-Kezhou (Melody) Lu

Critical Impact of Land-Atmosphere Feedbacks on Midlatitude Wintertime Surface Temperature Variance


8:50am- Prasad Shelke

Distorted MJO Propagation by QBO through Multi-Scale Interactions over the Maritime Continent


9:00am- Jayron-Perez Carrasquilla

Human-driven increase in North American Pacific Trough intensifies winter and spring heat extremes


9:10am- Jonah Shaw

Early and Widespread Emergence of Regional Warming is Robust to Observational and Model Uncertainty


9:20am- Yan-Ning Kuo

Understanding anthropogenic aerosols and ocean warming as drivers for Southwestern U.S. current drought and its future outlook


9:30am- Paul Curtis

Constant equilibrium climate sensitivity (ECS) across a wide range of climates in extra-long CESM simulations


9:40am- Jacob Stuivenvolt-Allen

The critical role of atmospheric nonlinearities in producing ENSO asymmetry within a statistical-dynamical version of CESM2


9:50am-  Asiya Badarunnisa Saunudeen

Exploring the Moisture Sources and Pathways for South American Rainfall Using Variable-Resolution CESM Simulations


10:00am- BREAK


10:30am- Wei Liu

Simulated Antarctic sea ice expansion reconciles climate model with observation


10:40am- Yue Dong

Underestimated Southern Ocean teleconnections caused by the double ITCZ problem


10:50am- Glenn Liu

Investigation of the drivers of sea surface salinity and North Atlantic climate using a stochastic model


11:00am- Kai Huang

Distorted MJO Propagation by QBO through Multi-Scale Interactions over the Maritime Continent


11:10am- Charlotte DeMott

Climate variability sensitivity to the parameterization of surface fluxes in CESM2


11:20am- Mitch Moncrieff

Organized Convection in ENSO Onset


11:30am- Kwesi Quagraine

How do Atmospheric Rivers change under a warmer climate versus a climate engineered climate?


11:40am- Haruki Hirasawa

G6-1.5K-MCB: Climate impacts in mid-latitude marine cloud brightening controller simulations


11:50am- Erin Emme

Impact of Seasonality on Climate Outcomes for Mid Latitude Marine Cloud Brightening

Chemistry Climate Working Group Agenda

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CCWG

 

 

 

 

8:30am- Simone Tilmes/ Rebecca Buchholz

CMIP7 development updates for chemistry


8:45am- Samantha Lee 

Model-measurement comparisons during Australian extreme bushfires: MUSICA and AQFx

 

9:00am- Sean Leister

Simulated wildfire aerosols reduce global mean surface temperatures by up to 1 degree Celsius

 

9:15am - Analysis of ASIA-AQ observations with MUSICAv0 - Louisa Emmons

Analysis of ASIA-AQ observations with MUSICAv0

 

9:30am- Saeideh Mohammadi

Modeling Investigation of Volatile Methyl Siloxane Oxidation, Secondary Organic Aerosol Formation, and Aging Using CESM-MUSICA

 

9:45am -Discussion

 

 

10:00am -Break

 

 

10:30am -Rafael Pedro Fernandez

Arctic halogens reduce ozone in the northern mid-latitudes

 

10:45am -Benjamin Gaubert

Investigating the role of chemistry on the methane budget in emission-driven CH4 simulations

 

11:00am -Chuan Feng

Distinct Efficacy of Regional Emissions in Affecting Global Methane Concentrations: A Modeling Study with Interactive Methane Chemistry and Emission Tags

 

11:15am -Qindan Zhu

Diagnosing the OH response to ENSO and its underlying drivers

 

11:30am -Shawn Honomichl (remote)

The CESM Chemical Forecast System: A Summary of Capabilities and What’s Next - Shawn Honomichl

 

11:45am -Discussion
 

Biogeochemistry Working Group Agenda

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Biogeochemistry Agenda

 

 

8:30am- Abby Swann

Update on land carbon change in Flat10MIP experiments


8:45am- Charlie Koven

Land Carbon Cycle Dynamics in Flat10MIP simulations


9:00am- Anastasia (Natassa) Romanou (Remote)

The role of AMOC in TCRE and ZEC in emissions driven simulations


9:15am- Jim Randerson

Understanding the atmospheric chemistry imprint of tropical deforestation


9:30am- Katherine Rocci

Comparative ability of soil biogeochemistry submodels for reproducing terrestrial carbon cycling in a grassland multiple global change experiment


9:45am- Christine Olson


10:00am- BREAK

 

BGCWG + Polar

 

10:30am- Cara Nissen (Remote)

The imprint of Southern Ocean storms on modeled surface chlorophyll, their drivers and satellite biases


10:45am- Shanlin Wang

Simulating the Oceanic Nitrous Oxide (N2O) - Based on CESM2


11:00am- Laura Landrum

Sea icescape and Antarctic marine ecosystem productivity in the CESM2


11:15am- Courtney Payne

Quantifying changes in phytoplankton productivity under sea ice in the Arctic and Southern Ocean


11:30am- Kristina Black

Alaskan Salmon Responses to Changing River Conditions


11:45am- Edward Blanchard-Wrigglesworth 

Increasing boreal fires reduce future global warming and sea ice loss

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Break

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Lunch

"Optional" Faculty Network for Teaching with CESM 

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Software Engineering Working Group Agenda

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SEWG

 

1:00pm- Ligia Bernardet, Michael Levy

Welcome


1:10pm- Ann Tsay

ESMF updates and roadmap


1:25pm- Ligia Bernardet

Progress in Expanding the Unified Forecast System to Multiple Dynamical Cores


1:40pm- Jesse Nusbaumer

Update on CAM-SIMA and the development of CCPP physics


1:55pm- Erik Kluzek

How do we Help Scientists Embrace their Inner Research Software Engineer (RSE)?


2:10pm- Christopher Harrop

Chiltepin: A Federated Workflow System For Earth Science


2:25pm- Phillip Chielowiec

UXarray: Streamlining Analysis of CESM Model Output on Native Grids


2:40 pm- Discussion

Ocean Model Working Group Agenda

OMWG

1:00pm- Grooms & Marques

Introduction


1:05pm- Tingting Zhu

Evolving Southern Ocean overturning in warming climates


1:20pm- Antony Thomas

Evaluating Southern Ocean Heat Uptake in High- and Low-Resolution Climate Models


1:35pm- Rudradutt Thaker

To eddy resolve or not to eddy resolve: Do we need high resolution ocean models to adequately simulate marine heatwaves in the Northwest Atlantic?


1:50pm-  Taydra Low

CESM has more subpolar North Atlantic water mass transformation than other ocean models


2:05pm- Elizabeth Maroon

Process Oriented Diagnostics for North Atlantic Ocean model biases


2:20pm- Paul Hall

TheoryWaves in CESM3


2:35pm-  Joshua Coupe

Phytoplankton response under SAI differs due to upgrading MARBL configuration from 3p1z to 4p2z


2:50pm- Marques & Grooms

Discussion

Polar Climate Working Group Agenda

PCWG

1:00pm- Co-chairs

Introduction/Welcome 


1:00pm- Qing Niu

Observation-oriented CAM6 experiments on Southern Ocean Cloud Condensation Nuclei and Clouds


1:15pm- Chloe Boehm

Exploring the Local Atmospheric Response to Antarctic Sea Ice Loss


1:30pm-  Molly Wieringa

C-ICESat-2: a (short) constrained estimate of global sea ice thickness from daily laser altimeter freeboard observations


1:45pm- Alek Petty (Remote)

Constraining CMIP6 and CESM sea ice simulations with ICESat-2


2:00pm- Jennifer Kay

Where does snow become rain with atmospheric warming?


2:15pm- Ash Gilbert

Isolating the Contribution of Observed Winds to Recent Arctic Warming and Sea Ice Loss


2:30pm - Lingwei Li

Simulating microplastics in the Arctic using CESM2


2:45pm- David Bailey

Polar Biases in the CESM3 Development Simulations


3:00pm- Adjourn

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Break

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CESM 30th Anniversary (history talks, round-table with former Chief Scientists) 

CESM 30th Workshop Anniversary Celebration 

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Wednesday, June 11th

Center Green Auditorium

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Cross Working Groups:

Harnessing Machine Learning

8:30am- Introduction and Logistics - Organizers 

8:35am- Aman Gupta

Nonlocal Deep Learning Parameterization for Process Representation in Climate Models


8:50am- Ramalingham Saravanan 

Data-driven Models for Predicting Precipitation


9:05am- Senne Van Loon 

Distilling machine learning-based climate emulators for physical understanding


9:20am- Dave Lawrence 

Machine learning enhanced CESM3


9:35am- Discussion

 

10:00am- BREAK

 

10:30am- Xavier Levine 

Implementing a Neural Network scheme for deep convection in CAM6 and testing it in a hierarchy of idealized configurations

   
10:45am- Jiahui Hu  

CAM-NET: An AI Foundation Model for Whole Atmosphere with Thermosphere and Ionosphere Extension


11:00am- Mengze Wang & Iris de Vries 

Generating large ensembles of precipitation extremes from CESM simulations via denoising diffusion models

 
11:15am- David John Gagne 

Community Research Earth Digital Intelligence Twin (CREDIT): Overview and Integration with CESM


11:30am- Will Chapman 

CAMulator - Emulation of the Community Atmosphere Model


11:45am- Discussion  

High Resolution

8:30am- Dan Fu 

Projected Increase of Tropical Cyclone Induced Extreme Rainfall Over Coastal Areas Under Climate Change


8:42am- Fred Castruccio 

Does model resolution impact its ECS and TCR?


8:54am- John Fasullo 

Insights into Regional Sea Level Rise from a High-Resolution CESM Ensemble


9:06am- Iris de Vries 

The role of variability changes for future extreme precipitation – can high resolution models reduce the uncertainty?


9:18am - Adam Herrington 

DYAMOND simulations with CESM3


9:30am- Peter Caldwell 

A Parallel Effort: E3SM's Plans for High Resolution

 
9:42am- His-Yen Ma 

Convection transition and convection organization over land: Case studies using regionally refined-SCREAM and ARM observations


9:54am- Alexander Thompson 

Kilometer-scale downscaling of CESM2 Large Ensemble simulations over CONUS


10:06am- BREAK

 

10:36am- Joas Muller 

Altered NAO - North Atlantic SST Feedback in Mesoscale Resolving Simulations

10:48am- Lucas Prates 

Representation and projections of midlatitude extreme wind speeds in the variable-resolution Community Earth System Model

11:00am- Lantao Sun 

Increased Model Resolution Amplifies Arctic Precipitation and Atmospheric Circulation Response to Sea-Ice Loss

11:12am- Kyle Nardi 

Leveraging Variable-Resolution CESM to Understand the Drivers of a Historic Rain-on-Snow Flooding Event in Glacier National Park

11:24am- Dong Wan Kim 

Various Types of Latent Heating Structures and the role of Western Boundary Current over the Kuroshio-Oyashio Extension Region


11:36am- Andrew Newman 

Developing Actionable Regional Climate Models and Data for Communities and Decision-makers Across Alaska and the Yukon River


11:48am- Nicholas Forcone 

NSF StormSPEED: Enabling Global Convection-Permitting Simulations with CESM3

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Break

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Lunch

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Earth System Predictability Working Group Agenda

ESPWG

1:00pm-  Anisha Pal 

Leveraging CESM2 data for machine learning based S2S forecasting


1:15pm- Paul Dirmeyer 

The fidelity of land-atmosphere interactions in CESM


1:30pm- Judith Berner 

Benefits of an online bias-correction for S2S forecasts


1:45pm-  Abby Jaye 

Quantifying sources of subseasonal prediction skill in CESM2 within a perfect modeling framework


2:00pm- Isla Simpson 

The impacts of vertical resolution on seasonal predictability in a new CESM suite of seasonal hindcasts


2:15pm- Evan Meeker 

The Influence of Tropical-Extratropical Interactions on Northeast Pacific Marine Heatwave Predictability in CESM


2:30pm- BREAK

3:00pm- Dylan Oldenburg  

AMOC and subpolar North Atlantic Ocean predictability in CMIP6 decadal prediction simulations

3:15pm- Jerry Meehl 

2019-2020 Australian bushfire smoke, multi-year La Niña, and implications for the Interdecadal Pacific Oscillation (IPO)


3:30pm- Steve Yeager Efficient Drift Correction of Initialized Predictions 

3:45pm- Co-Chairs 

Update & Discussion

4:00pm- ADJOURN

Whole Atmosphere Working Group Agenda

WAWG

1:00pm- Martina Bramberger & Nick Pedatella 

WAWG Development Updates


1:15pm- Mijeong Park  

Dynamical and chemical variabilities in CESM3-WACCM7


1:30pm- Selena Zhang  

Record-high Ozone in Southern Mid-latitude Tropopause Region Driven by Dynamical and Chemical Effects of the 2019 Sudden Stratospheric Warming


1:45pm- Dai Koshin 

Contribution of gravity waves to the lower thermospheric winter-to-summer meridional circulation in high-resolution WACCM-X


2:00pm- Susan Nossal 

WACCM-X studies of the thermospheric hydrogen response to solar activity and to impacts of greenhouse gases across atmospheric regions


2:15pm- Joe McInerney 

Seasonal Changes in the Thermosphere from WACCM-X Future 21st Century Projections


2:30pm- Break

3:00pm- Daniele Visioni 

Recent updates on representing large volcanic eruptions in CESM


3:15pm- Walker Lee 

G2-SAI: pre-industrial and 21st-century responses to climate intervention with stratospheric aerosols in CESM2-WACCM6


3:30pm- Jared Farley 

A Climate Intervention Dynamical Emulator (CIDER) for Scenario Space Exploration


3:45pm- Simchan Yook 

Nuclear War In a World Brimming With Plastic: Impacts of Cl, Br, and Organics on the Ozone Layer


4:00pm- ADJOURN

Paleoclimate Working Group Agenda

PaleoWG

 

1:00pm- Ran Feng

WELCOME & Seawater isotopic signatures of Pliocene tropical ocean


1:15pm-  Elke Zeller

Vegetation-climate feedbacks in the Pleistocene using iCESM1.3 and BIOME4


1:30pm-  Irina Thaler

Impact of aerosol changes on Earth’s pre-anthropogenic radiative budget


1:45pm- Adam Aleksinski

Investigating the Physical State of the Modeled Eocene Ocean After Full Equilibration


2:00pm-  Hamida Ngoma Nadoya

The Influence of Tethys and Central American Seaway on Climate during the Miocene Climatic Optimum


2:15pm- Joseph Schnaubelt

Constraining Antarctic ice sheet stability during the Last Interglacial


2:30pm- BREAK


3:00pm- - Xiang Li

Persistently active El Niño–Southern Oscillation since the Mesozoic


3:15pm-   Garland Upchurch

Angiosperm tree heights during the Cretaceous Terrestrial Revolution: Evidence from the Upper Campanian Jose Creek Formation, south-central New Mexico


3:30pm-  Maya Tessler

Reconciling model and proxy records in late Cretaceous ocean simulations


3:45pm-  Feng Zhu

Advancing Deep-Time Climate Reconstruction with a New Online Paleoclimate Data Assimilation Approach in CESM

 

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Break

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Plenary: Wrap-up; general discussion 

End of Workshop