US Climate Variability and Predictability Program

2022 US AMOC Science Team Meeting Agenda

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Monday, April 25 2022
Time (EDT) Agenda Presenter Presentation
 

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07:30

Workshop registration & continental breakfast

   
08:00 Virtual room open    
08:30

Welcome, opening remarks

 

 
08:40 (Invited) Overview of US AMOC/US AMOC Science Team Gokhan Danabasoglu (NCAR) View
 

Session 1: Sub-Arctic/North Atlantic (Video Link)

Moderators: Mike Spall and Gokhan Danabasoglu  
09:10 Overturning in the Subpolar North Atlantic: What we have learned to date and what we have yet to learn Susan Lozier (Georgia Tech) View
09:25 Inferring advective timescales and overturning pathways of the Deep Western Boundary Current in the North Atlantic through Labrador Sea Water advection Leah Chomiak (University of Miami) View
09:40

Break/Posters

   
11:00 Coupling between the Arctic and Atlantic Meridional Overturning Circulation: A review Wilbert Weijer (Los Alamos National Laboratory) View
11:15 Century-long cooling trend in subpolar North Atlantic forced by atmosphere: An alternative explanation Laifang Li (Pennsylvania State University) View
11:30 Carbon isotope constraints on paleo AMOC: Depth vs strength Andreas Schmittner (Oregon State University)* View
11:45 Discussion    
12:30 Lunch    
 

Session 2: Observing System Implementation and Evaluation (Video Link)

Moderators: Magdalena Andres and Kathleen Donohue  
14:00

(Invited) Review of observing system implementation and evaluation

Nick Foukal (WHOI) View
14:30

Sustaining observations at 26°N: A new design for the RAPID array and recent variability of the Atlantic Meridional Overturning Circulation

Ben Moat (National Oceanography Centre)* View
14:45 Recent observational advances from the South Atlantic Meridional overturning circulation Basin-wide Array (SAMBA) at 34.5S Renellys Perez (NOAA AOML)* View
15:00

Transports and pathways of the tropical AMOC return flow from Argo data and shipboard velocity measurements

Franz Philip Tuchen (NOAA AOML) View
15:15 Break/Posters    
16:45 Variability in Irminger Sea convection and hydrography Femke de Jong (NIOZ)  
17:00 What can hydrography between New York and Bermuda tell us about the strength of the AMOC over the last century? Tom Rossby (University of Rhode Island) View
17:15 Discussion    
18:00

End day 1, in-person networking event

   
Tuesday, April 26 2022
Time (EDT) Agenda Presenter Presentation
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07:30

Continental breakfast

   
08:00 Virtual room open    
08:30 Welcome, opening remarks    
 

Session 3: AMOC Mechanisms and Predictability (Video Link)

Moderators: Mike Spall and Aixue Hu  
08:40 (Invited) Mechanisms and predictability of the AMOC: Progress and questions Jon Robson (University of Reading)* View
09:10 On the long-term mean AMOC across the Arctic-Atlantic gateways and the downstream subpolar North Atlantic Rong Zhang (NOAA GFDL)* View
09:25 Topographic effects on AMOC variability and its propagation pathways Jiayan Yang (WHOI) View
09:40 Break/Posters    
11:00 Freshwater-driven feedbacks between the Arctic and North Atlantic Ocean circulations Marilena Oltmanns (National Oceanography Centre)* View
11:15 Atmospherically-forced and ocean-driven interannual variability of the AMOC Thierry Penduff (CNRS-IGE)* View
11:30 Deciphering the climate impacts of a weakened Atlantic Meridional Overturning Circulation during the 21st century Wei Liu (University of California, Riverside)* View
11:45 Discussion    
12:30 Lunch    
 

Session 4: Climate Sensitivity to AMOC: Climate/Ecosystem Impacts (Video Link)

Moderators: Chris Little and Amy Clement  
14:00 (Invited) Impact of AMOC variability on Greenland, Arctic glaciers and Arctic sea-ice Fiamma Straneo (Scripps Institution of Oceanography) View
14:30 Global climate impacts of Greenland and Antarctic glacial melt: A comparative study Qian Li (MIT)  
14:45 An atmospheric bridge between the subpolar and tropical Atlantic regions: A perplexing asymmetric teleconnection Seung Hun Baek (Yale University)* View
15:00 A weakened AMOC may prolong greenhouse gas induced Mediterranean drying even with significant and rapid climate change mitigation Tom Delworth (NOAA GFDL) View
15:15 Break/Posters    
16:45 Impacts of a weakened Atlantic Meridional Overturning Circulation on tropical cyclone activity in a warming climate Emma Levin (Yale University)* View
17:00 The divorce of the North Atlantic atmosphere and ocean attributed to human affairs Jeremy Klavans (University of Colorado) View
17:15

Discussion

   
18:00

End day 2

   
Wednesday, April 27 2022
Time (EDT) Agenda Presenter Presentation
  Note: All displayed times are in US Eastern Daylight Time (UTC -4).
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07:30

Continental breakfast

   
08:00 Virtual room open    
08:30

Welcome, opening remarks

Breakout moderators  
  Session 5: Paleo AMOC (Video Link) Moderators: Hali Kilbourne and Al Wanamaker View
08:40 (Invited) Review of paleo AMOC Paola Moffa-Sanchez (Durham University)* View
09:10 Multi-proxy records of Holocene Atlantic overturning and its components David Thornalley (University College London)  
09:25 Freshwater forcing of Atlantic Meridional Overturning Circulation revisited Feng He (University of Wisconsin) View
09:40 Break/Posters    
11:00 Mechanisms behind climate oscillations in full-glacial simulations. Yvan Romé (University of Leeds)* View
11:15 The Little Ice Age cooling and 20th-century warming recorded in deep Northeast Atlantic sediments Wanyi Lu (WHOI)  
11:30 Inter-basin redistribution of heat and nutrients due to AMOC changes Shantong Sun (California Institute of Technology)* View
11:45 Discussion    
12:30 Lunch    
 

Session 6: AMOC State, Variability, and Change (Video Link)

Moderators: Zoltan Szuts* and Claudia Schmid*  
14:00 (Invited) The complex spatial and temporal structure of the Atlantic Meridional Overturning Circulation Martha Buckley (George Mason University)* View
14:30 Observed weakening of the Gulf Stream at Florida Straits over the past four decades Chris Piecuch (WHOI) View
14:45 What are the dominant atmospheric drivers of interannual AMOC variability? Dan Amrhein (NCAR) View
15:00 Atlantic Meridional Overturning Circulation observed at 16N Matthias Lankhorst (Scripps Institution of Oceanography)*  
15:15 Break/Posters    
16:45 Dichotomy between freshwater and heat flux effects on oceanic conveyor belt stability and global climate Aixue Hu (NCAR) View
17:00 Do interactive ocean dynamics affect North Atlantic SST variability? Olivia Gozdz (George Mason University) View
17:15 Discussion    
18:00

End day 3

   
Thursday, April 28 2022
Time (EDT) Agenda Presenter Presentation
  Note: All displayed times are in US Eastern Daylight Time (UTC -4).
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07:00

Continental breakfast

   
07:30 Virtual room open    
08:00

Welcome, opening remarks

   
8:10 Presentation by the CLIVAR Atlantic Task Team Eleanor Frajka-Williams (National Oceanography Centre) and Eric Chassignet (Florida State University)  
08:40 Breakout session: Highlights and future directions    
9:40 Break    
10:00 Continue breakout session    
11:00 Summary/Discussion of each breakout Breakout moderators View
12:00

Adjourn meeting

   

 *Virtual

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