Colloque AMOC (LEFE-IMAGO 2017)

Presentations given at the AMOC meeting


Welcome from IUEM (Anne-Marie Treguier)

 Presentation of the meeting (Pascale Lherminier and Didier Swingedouw)

Session 1: Instrumental observations of the AMOC

  Herlé Mercier: OVIDE-A25, a biennial hydrographic transect across the North Atlantic Subpolar Gyre since 2002: Overview of the main scientific findings about the variability of the meridional overturning circulation and its impact on the CO2 physical pump 

   Gerard McCarthy:AMOC variability from decades to multi-decades 

   Alain Colin de Verdière: Calculation of the mean Atlantic Meridional Overturning Circulation with Argo floats and temperature-salinity data 

   Robin Waldman: Comparison of conditions of oceanic deep convection between the Irminger and Northwestern Mediterranean Seas 

   Andrew Friedman: Investigating a new record of Atlantic sea surface salinity from 1896–2013 

   Lidia Carracedo: AMOC-driven nutrient flux variability across the RAPID-26N section 

Session 2: Paleo-climatic reconstructions of the AMOC

  Claire Waelbroeck: Reconstructing the dynamics of Atlantic Meridional Overturning Circulation changes over the last 40 ky 

      Aline Govin: Dynamics of North Atlantic deep currents from the onset to the demise of the Last Interglacial period (145-110 ka). <aline.govin at>

      Meryem Mojtahid: Do benthic foraminifera and their geochemical signature from the Celtic margin differentiate the effects of European and Laurentide Ice Sheets meltwaters on the AMOC across Termination 1? <meryem.mojtahid at>

  Frédérique Eynaud: The Bay of Biscay: a key spot for past AMOC reconstructions 

Session 3: Drivers of the AMOC: Theoretical approaches

  Rémi Tailleux: On the buoyancy-driven theory of the Atlantic Meridional Overturning Circulation 

  Thierry Huck: Oceanic control of multidecadal variability in the North Atlantic 

  Olivier Arzel: Determination of diapycnal mixing rates in the world ocean from a T/S climatology 

  Florian Sévellec: Arctic climate change driving a decline in the Atlantic Meridional Overturning Circulation 

Session 4: Lessons from numerical modelling of the ocean and climate for the AMOC dynamics

  Claus Böning: Mechanisms of seasonal to decadal AMOC variability 

  Eric Chassignet: Atlantic meridional overturning circulation variability in forced versus coupled simulations 

  Clotilde Dubois: The Atlantic Meridional Overturning in the ocean reanalysis 

  Didier Swingedouw: Impact of freshwater release in the Mediterranean Sea on the AMOC 

  Thierry Penduff: Intrinsic and atmospherically-forced variability of the AMOC: insights from a large ensemble ocean hindcast 

  Camille Lique: Potential for deep convection in the Arctic Basin under a warming climate and contribution to the AMOC 

Session 5: Climatic impact and implications of AMOC variations

  Juliette Mignot: AMOC variability and predictability in climate models 

  Leon Hermanson: Predicting the high latitude AMOC and its impacts 

  Yohan Ruprich-Robert: Impacts of the Atlantic Multidecadal Variability on the tropical climate and tropical cyclone activity 

  Matthew Menary:  An anatomy of the projected North Atlantic warming hole in CMIP5 models 

  Guillaume Gastineau: Role of ocean-atmosphere coupling for AMOC decadal variability 

  Claude Frankignoul: On the wintertime atmospheric response to the AMOC variability 

  Gwendal Rivière: The impact of the Pacific Decadal Oscillation and the Atlantic Multidecadal Oscillation onto the Northern Hemisphere storm tracks during the Twentieth Century 

  Martin Menegoz: Modulation of the climate response to a volcanic eruption by the Atlantic Multidecadal Variability 

A report in French summarizes the content of the discussions