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Grand Challenge Workshops

Grand Challenge (GC) workshop addresses urgent, overarching questions which require a multiyear effort and are of high importance to the CEDAR community. GC workshops are 3 year efforts and should be organized by a diverse team of conveners with a clear schedule and specific goals and topics for the 3 years. Each GC workshop will introduce the topic to the CEDAR community in the plenary session in the first year and provide updates in the 2nd & 3rd, and a summary after year 3.

Each year one new grand challenge workshop is selected by the CEDAR Science Steering Committee.

CEDAR workshop 2023

Year 2: Grand Challenge: Interhemispheric asymmetries (IHA) and impact on the global I-T system

Conveners: Yue Deng, Lynn Harvey, Astrid Maute, Qingyu Zhu, Yun-Ju Chen, Rich Collins, Aaron Ridley, Guiping Liu, Sevag Derghazarian

Year 1: The role of gravity waves in the mesosphere, thermosphere and ionosphere cross-scale coupling and irregularities: Observations and numerical simulations

Conveners: Titus Yuan, Mike Taylor, Sharon Vadas, Erich Becker, Hanli Liu, Jonathan Makela, Brian Harding, Jonathan Snively, Christopher Heale, Cesar Valladares

CEDAR workshop 2022

Year 3: CONCERT: Coordinated Ground and Space-based Observations of the Ionosphere-Thermosphere System 

Conveners: Katelynn Greer, Alan Burns, Scott England, Bill Scheiner, Iurii Cherniak

Year 2: Understanding the Electromagnetic Energy Input to Earth’s Atmosphere 

Conveners: Alex Chartier, Tomoko Matsuo, Gareth Perry, Bill Bristow, Wenbin Wang, Seebany Datta-Barua

Year 1:Interhemispheric Asymmetries (IHA) in the IT system generated by high latitude forcing and lower atmosphere

Conveners: Yue Deng, Qingu Zhu, Yun-Ju Chen, Astrid Maute, Rich Collins, Aaron Ridley, Dan Welling, Hyomin Kim

CEDAR workshop 2021

Year 3: Grand Challenge Multi scale IT system System Dynamics 

Conveners: Toshi Nishimura(Co-Lead), Aaron Ridley(Co-Lead)

Naomi Maruyama, Ryan McGranaghan, Yue Deng, Larry Lyons, Ying Zou, Ingrid Cnossen,

Matt Zettergren, Meers Oppenheim, Marilia Samara,Katrina Bossert

Year 2: CONCERT: Coordinated Ground and Space-based Observations of the Ionosphere-Thermosphere System 

Conveners: Katelynn Greer, Alan Burns, Scott England, Carlos Martinis, Iurii Cherniak, Wenbin Wang

Year 1: Understanding the Electromagnetic Energy Input to Earth’s Atmosphere 

Conveners: Alex Chartier, Tomoko Matsuo, Gareth Perry, Bill Bristow, Wenbin Wang, Seebany Datta-Barua


CEDAR workshop 2020 cancelled


CEDAR workshop 2019

Year 2: Grand Challenge Multi scale IT system System Dynamics

Conveners: Toshi Nishimura(Co-Lead), Aaron Ridley(Co-Lead)

Naomi Maruyama, Ryan McGranaghan, Yue Deng, Larry Lyons, Ying Zou, Ingrid Cnossen,

Matt Zettergren, Meers Oppenheim, Marilia Samara,Katrina Bossert

Year 1: CONCERT: Coordinated Ground and Space-based Observations of the Ionosphere-Thermosphere System 

Conveners: Katelynn Greer, Alan Burns, Scott England, Carlos Martinis, Iurii Cherniak, Wenbin Wang


CEDAR workshop 2018

Year 1: Grand Challenge Multi scale IT system System Dynamics 

Conveners: Toshi Nishimura(Co-Lead), Aaron Ridley(Co-Lead)

Naomi Maruyama, Ryan McGranaghan, Yue Deng, Larry Lyons, Ying Zou,

Ingrid Cnossen, Matt Zettergren, Meers Oppenheim, Marilia Samara,Katrina Bossert


CEDAR workshop 2017

Year 4: Grand Challenge MLT-X: Frontiers in Science and Sensing  

Conveners: J. Thayer, J. Semeter, D. Hysell

Year 4: The High Latitude Geospace System: Frontiers in science and sensing  

Conveners: Josh Semeter, Matthew Zettergren, Cheryl Huang, Yanshi Huang, Jeffrey Thayer

Year 3: Storms and Substorms Without Borders (SSWB) 3: Refinement and Synthesis  

Converners: P. Erickson, N. Maruyama, J. Baker, S. Sazykin, A. Mannucci, J. M. Ruohoniemi


CEDAR workshop 2016

Year 3: Coupling and Transport Processes from the Upper Mesosphere through the Middle Thermosphere (80-200 km)  

Conveners: J. Thayer, C. Gardner and G. Swenson

Year 3: The high latitude geospace system 

Conveners: J. Semeter, C. Huang, Y. Huang, M. Zettergren

Year 2: Storms and Substorms Without Borders (SSWB) 

Converners: N. Maruyama, T. Mannucci, M. Ruohonieme, J. Baker, P. Erickson, S. Shephard


CEDAR workshop 2015

Year 2: Coupling and Transport Processes from the Upper Mesosphere through the Middle Thermosphere (80-200 km) 

Conveners: J. Thayer, C. Gardner and G. Swenson

Year 2: The high latitude geospace system 

Conveners: Semeter, Dahlgren, St. Maurice, Zettergren, Wu, Nicolls

Year 1: Storms and Substorms Without Borders (SSWB) 

Converners: N. Maruyama, T. Mannucci, M. Ruohonieme, J. Baker, P. Erickson, S. Shephard


CEDAR workshop 2014

Year 1: Coupling and Transport Processes from the Upper Mesosphere through the Middle Thermosphere (80-200 km)  

Conveners: Thayer, Gardner and Swenson

Year 1: The high latitude geospace system 

Conveners: Semeter, Dahlgren, St. Maurice, Zettergren, Wu, Nicolls