2020 CESM Workshop

The 2020 CESM Workshop will be entirely virtual via Zoom

The 25th Annual CESM Workshop will be a virtual workshop with a modified schedule on its already scheduled date. Specifically, the virtual Workshop will begin with a full-day schedule on 15 June 2020 with presentations on the state of the CESM; by the award recipients; and by one or two invited speakers in the morning, followed by order 15-minute highlight and progress presentations from each of the CESM Working Groups (WG) in the afternoon.

On 16-17 June 2020, working groups and cross working groups have half-day sessions, some with presentations and some that are discussion only.

The deadline for presentations closed on Tuesday, May 26th but registration will remain open through the workshop.

More information and schedules will be posted when they become available.

Workshop Details

  • Dates: 15 - 17 June 2020
  • Location: Virtual Workshop Via Zoom
  • Participants: View PDF

Workshop Videos

The workshop videos can be found on the NCAR CGD Youtube Page

Agendas

  • Main Agenda: Webpage or PDF
  • Atmosphere Model Working Group Agenda: PDF
  • Climate Variability and Change Working Group Agenda: PDF
  • Earth System Prediction Working Group Agenda: PDF
  • Land Model Working Group, Community Terrestrial Systems Model & Functionally Assembled Terrestrial Ecosystem Simulator Agenda: PDF
  • Polar Climate, Paleoclimate & Land Ice Working Groups Agenda: PDF
  • Software Engineering Working Group Agenda: PDF
  • Whole Atmosphere & Chemistry Climate Working Group Agenda: PDF

Presentations

Main workshop (Plenary) Presentations

Presentation Title Presenter
State of the CESM Gokhan Danabasoglu
CESM Distinguished Achievement Award David Lawrence
CESM Graduate Student Award - Daniel Kennedy Daniel Kennedy
Representation of Modes of Variability in 6 U.S. Climate Models Clara Orbe
Causes of Higher Climate Sensitivity in CMIP6 Models Mark Zelinka

Brief updates from the working groups

Presentation Title Presenter
Atmosphere Model Working Group Julio Bacmeister
Whole Atmosphere Model Working Group Rolando Garcia
Chemistry Climate Working Group Louisa Emmons
Ocean Model Working Group Frank Bryan
Biogeochemistry Working Group Keith Lindsay
Land Model Working Group Will Wieder
Polar Climate Working Group Hansi Alice Singh
Land Ice Working Group William Lipscomb
Paleoclimate Working Group Esther Brady
Software Engineering Working Group Bill Sacks
Climate Variability and Change Working Group Isla Simpson
Earth System Prediction Working Group Steve Yeager

Atmosphere Model Working Group

Presentation Title Presenter
Parameterizing Unified Microphysics Across Scales (PUMAS): an evolution Andrew Gettelman
Ice Microphysical Properties Below -40C based on Seven NSF Flight Campaigns and NCAR CAM6 Model Simulations Minghui Diao
CAM6 Boundary Layer Evolution Over An Idealized Diurnal Cycle Richard Neale
A new unified boundary layer and convection parameterization CPT project: The multi-plume Eddy-Diffusivity/Mass-Flux (EDMF) approach Joao Teixeira
Merging the CLUBB and EDMF frameworks in CAM6: Approach: SCM Results and Next Steps Mikael Witte
Turbulent dissipation is not pressure damping: Moving beyond Mellor's single master length scale Zhun Guo
Reference Climate of CESM Coupled Aqua and Ridge Planets Xiaoning Wu
Simulation of Convectively Coupled Kelvin Waves Using the Single Column Atmosphere Model Coupled to the Damped Gravity Wave Method I-Kuan Hu
The Shifting Scales of Western US Landfalling Atmospheric Rivers Under Climate Change Alan Rhoades
Tropical Cyclones in Variable-Resolution CAM: Impacts of High-Resolution Grid Extent and Climate Change Forcing Alyssa Stansfield
Impact of horizontal resolution on the meteorology and climate of Greenland Adam Herrington
Investigations into the vertical resolution for the next "workhorse" version of CESM Isla Simpson
Atmosphere Model Working Group Discussion -

Earth System Prediction Working Group

Presentation Title Presenter
A New CAM6+DART 80-Member Ensemble Reanalysis for 2011-2019: Initial Conditions for CAM, CLM and CICE Forecasts and Forcing for POP, CLM and CICE Kevin Reader
S2S with CESM1 Yaga Richter
Advantages of 25Km resolution ocean model in GEOS Seasonal Prediction System Andrea Molod
Two-year Predictions of ENSO Event Duration during 1954-2015 Xian Wu
On the prospect of developing seasonal to decadal soil moisture forecasting system Sanjiv Kumar
Decadal Prediction with CESM: recent progress & outstanding challenges Steve Yeager
The climpred diagnostic package Riley Brady
Near-term Simulation Plans Co-chairs

Polar Climate, Paleoclimate & Land Ice (Joint) Working Groups

Presentation Title Presenter
Increases in Northern Hemisphere vegetation cover as a potential solution to the Holocene Temperature Conundrum Alexander Thompson
Moist climate across the North Africa and subtropical Eurasia in mid-Pliocene models and proxies Ran Feng
Can we directly estimate ECS using LGM climate reconstructions? Jiang Zhu
Progress on variable resolution for polar science Adam Herrington
Evolution of the Indian monsoon since the last glacial maximum: forcing vs feedbacks Chetankumar Jalihal
Speleothems of South American and Asian Monsoons Influenced by a Green Sahara Clay Tabor
* Recorded Talk Dynamic Effect of Last Glacial Maximum Ice Sheet Topography on the East Asian Summer Monsoon Yu Gao
* Recorded Talk MJO-like Variability in the Eastern Pacific during the Pliocene Nagaraju Chilukot
Glacial AMOC: Strength versus Depth Andreas Schmittner
Collapse of the Deep-Sea Circulation during the PETM with implications for the extinction of benthic foraminifera Arne Winguth
Land Ice, Polar Climate, Paleo Climate Working Groups Discussion -
Arctic Freshwater Storage and Export in CMIP6 Models Hannah Zanowski
Opposite responses of the dry and moist eddy heat transport into the Arctic in the PAMIP experiments Alexandre Audette
Arctic Amplification as a Rapid Adjustment to Increased CO2 Tyler Janoski
Polynyas and Antarctic Slope Current in iHESP-CESM simulation Xiliang Diao
Integrating proxy and model estimates of Antarctic climate variability over the last millennium Olivia Truax
* Recorded Talk Forced Changes in the Arctic Freshwater Budget Emerge in the Early 21st Century Alexandra Jahn
Detecting Arctic sea ice melt onset with a satellite simulator Abigail Smith
The influence of sea ice thickness on transient climate change: a case for tuning from CESM2 Jennifer Kay
Large Arctic Warming from Ozone-Depleting Substances in the Latter Half of the 20th Century Mark England
* Recorded Talk Multi-scale Arctic sea ice modeling with a grid hierarchy in CESM Shiming Xu
Atmospheric teleconnection processes linking winter air stagnation and haze extremes in China with regional Arctic sea ice decline Yufei Zou

Land Model Working Group, Community Terrestrial Systems Model & Functionally Assembled Terrestrial Ecosystem Simulator

Presentation Title Presenter
Land Model Working Group Updates Will Wieder
CTSM-WRF Updates Dave Lawrence
Fates overview & Land use change in FATES Charlie Koven
Reduced complexity modes as a gateway drug to FATES Rosie Fisher
Datasets across CTSM-FATES Jacquelyn Shuman
Discussion Guide -
Discussion -

Climate Variability and Change Working Group

Presentation Title Presenter
EL Nino Southern Oscillation (ENSO) in the NCAR Community Earth System Model version 2 Antonietta Capotondi
Evaluation of Leading Modes of Climate Variability in the CMIP Archives John Fasullo
The Impact of the Observed Arctic Sea-ice Variability on the Cold Season Atmospheric Circulation in Large-ensemble AGCM Experiments Yu-Chiao Liang
Impacts of Arctic climate change on synoptic cyclones Minghong Zhang
Role of AMOC in transient climate response to greenhouse gas forcing in two coupled models Aixue Hu
Indian Ocean warming as a driver of the North Atlantic warming hole: atmospheric versus oceanic mechanisms Shineng Hu
Competing anthropogenic effects cause distinct regional impacts on extreme wildfire risk Danielle Touma
Regional drivers of the response of Sahel precipitation to anthropogenic aerosols Haruki Hirasawa
The North Atlantic Climate Response to Stratospheric Sulfate Geoengineering James Hurrell
Pushing the Limits of Pattern Scaling to Separate Tropical and Polar Climate Change Signals Paul Kushner
Was the Great Salinity Anomaly of the 1970s induced by an extreme Fram Strait Sea-Ice Export? Who Kim
Amplified Madden-Julian oscillation impacts in California due to eastward-extended teleconnection pattern Wenyu Zhou

Software Engineering Working Group

Presentation Title Presenter
Update on Community Mediator for Earth Predictive Systems (CMEPS) Mariana Vertenstein
Coupling MOM6 in CESM: Software challenges and advances Alper Altuntas
CESM2 workflow capabilities Jim Edwards
Fast Access of Irregular Grids and Meshes by Latitude and Longitude Carl Drews
Determining Best Practices for Archiving and Reproducibility for Computational Model Output Gary Strand
Managing Model Output for CESM3 Discussion -

Featured Speakers

Each year we welcome two featured speakers from outside of the organization to give our plenary talks. This year we are welcoming Dr. Clara Orbe of NASA and Dr. Mark Zelinka of LLNL. Below you can learn more about them and their work.

Dr. Clara Orbe

Dr. Clara Orbe

Clara Orbe is a Research Physical Scientist at NASA Goddard Institute for Space Studies (GISS) with a joint affiliation at NASA Goddard Space Flight Center in the Global Modeling and Assimilation Office. Her research interests are oriented toward an improved understanding of large-scale atmospheric dynamics and transport and how they may respond to future changes in climate. She received her Ph.D in Applied Mathematics from the Department of Applied Physics and Applied Mathematics at Columbia University (2013) and then completed a NASA Postdoctoral Program fellowship before joining GISS as a civil servant in 2018.

Learn more

Dr. Mark Zelinka

Dr. Mark Zelinka

Mark Zelinka is an atmospheric scientist in the Cloud Processes Research and Modelling Group at Lawrence Livermore National Laboratory. His research seeks to understand how clouds – through their impact on the Earth’s energy budget -- determine how much global warming accompanies increasing greenhouse gases. He holds a B.S. (2004) in Meteorology from Pennsylvania State University and an M.S. (2007) and Ph.D. (2010) in Atmospheric Sciences from University of Washington, where he worked with Dennis Hartmann. Mark was a post-doc at LLNL from 2011-2013 working with Steve Klein. In his free time, Mark enjoys playing music and writing parody songs about his colleagues

Learn more

 View PDF

Workshop Agenda

Monday, 15 June 2020
Time Topic Speaker
8:30 Welcome Everette Joseph, NCAR Director
8:40 State of the CESM Gokhan Danabasoglu
9:20 CESM Distinguished Achievement Award David Lawrence
10:00 CESM Graduate Student Award Daniel Kennedy
10:20 Break
10:40 Plenary Talk I - Representation of Modes of Variability in 6 U.S. Climate Models Clara Orbe, NASA
11:20 Plenary Talk II - Causes of Higher Climate Sensitivity in CMIP6 Models Mark Zelinka, LLNL
12:00 Lunch Break
Brief updates from the working groups
13:00 Working Group 1 Atmosphere Model Working Group
13:15 Working Group 2 Whole Atmosphere Model Working Group
13:30 Working Group 3 Chemistry Climate Working Group
13:45 Working Group 4 Ocean Model Working Group
14:00 Working Group 5 Biogeochemistry Working Group
14:15 Working Group 6 Land Model Working Group
14:30 Break
14:50 Working Group 7 Polar Climate Working Group
15:05 Working Group 8 Land Ice Working Group
15:20 Working Group 9 Paleoclimate Working Group
15:35 Working Group 10 Software Engineering Working Group
15:50 Working Group 11 Climate Variability and Change Working Group
16:05 Working Group 12 Earth System Prediction Working Group
16:20 Adjourn for the day
Tuesday, 16 June 2020
Time Topic
8:30 - 12:00 Atmosphere Model Working Group
8:30 - 12:00 Land Model Working Group, Community Terrestrial Systems Model & Functionally Assembled Terrestrial Ecosystem Simulator * Discussion only
12:00 - 13:00 Break
13:00 - 16:30 Whole Atmosphere Working Group & Chemistry Climate Working Group * Discussion only
13:00 - 16:30 Ocean Model Working Group * Discussion only
Wednesday, 17 June 2020
Time Topic
8:30 - 12:00 Land Model Working Group, Community Terrestrial Systems Model & Functionally Assembled Terrestrial Ecosystem Simulator * Discussion only
8:30 - 12:00 Earth System Prediction Working Group * Presentations
8:30 - 12:00 Polar Climate Working Group, Paleoclimate Working Group & Land Ice Working Group (Joint)
12:00 - 13:00 Break
13:00 - 16:30 Climate Variability and Change Working Group
13:00 - 16:30 Software Engineering Working Group

Workshop Webcast

View the webcast at the link below

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Workshop Participants

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Workshop Posters

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Workshop Agendas

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Workshop Presentations

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