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Orals OS1.2/AS1.20/CL1.29

OS1.2/AS1.20/CL1.29

The North Atlantic: natural variability and global change (co-organized)
Convener: Monika Rhein  | Co-Conveners: Paul G. Myers , Richard Greatbatch , Rym Msadek , Susan Lozier , Andreas Born 
Orals
 / Mon, 24 Apr, 08:30–12:00  / 13:30–17:00  / Room D2
 / Tue, 25 Apr, 08:30–10:00  / Room G2
Posters
 / Attendance Mon, 24 Apr, 17:30–19:00  / Hall X4

Monday, 24 April 2017
Room D2
Chairperson: Paul Myers
08:30–08:45
EGU2017-13023
The circulation in the North Atlantic subpolar gyre
Monika Rhein, Dagmar Kieke, Achim Roessler, Christian Mertens, Reiner Steinfeldt, Birgit Klein, Claus Böning, Tilia Breckenfelder, Ilaria Stendardo, Vasco Müller, and Hannah Nowitzki
08:45–09:00
EGU2017-9573
Mechanisms of flow and water mass variability in Denmark Strait
Martin Moritz, Kerstin Jochumsen, Detlef Quadfasel, Hossein Mashayekh Poul, and Rolf H. Käse
09:00–09:15
EGU2017-5372
On the Nature of the Mesoscale Variability in Denmark Strait
Robert Pickart, Wilken von Appen, Dana Mastropole, Hedinn Valdimarsson, Kjetil Vage, Steingriumur Jonsson, Kerstin Jochumsen, and James Girton
09:15–09:30
EGU2017-5652
A direct estimate of poleward volume, heat and fresh water flux at 59.5°N between Greenland and Scotland
Thomas Rossby, Gilles Reverdin, Leon Chafik, and Henrik Søiland
09:30–09:45
EGU2017-14052
Observed long-term transport variations at the inflow to the subpolar gyre at 47°N
Achim Roessler, Monika Rhein, and Christian Mertens
09:45–10:00
EGU2017-10717
The impact of warm summers on winter convection in the subpolar North Atlantic
Marilena Oltmanns, Johannes Karstensen, and Jürgen Fischer
Coffee break
10:30–10:45
EGU2017-10341
OSNAP Update: Measuring the AMOC in the subpolar North Atlantic
M Susan Lozier
10:45–11:00
EGU2017-1619
Atlantic Water transformation in the Nordic Seas and its influence on the export rate of the Overflow Waters
Yarisbel Garcia Quintana, Pia Wiesner, Xianmin Hu, and Paul Myers
11:00–11:15
EGU2017-8103
Overflow Water Pathways in the Subpolar North Atlantic Observed with Deep Floats (solicited)
Amy Bower, Heather Furey, and Susan Lozier
11:15–11:30
EGU2017-9794
Observed and Modeled Pathways of the Iceland Scotland Overflow Water in the eastern North Atlantic
Sijia Zou, Susan Lozier, Walter Zenk, Amy Bower, and William Johns
11:30–11:45
EGU2017-9415
Transport of Iceland-Scotland Overflow waters in the Deep Western Boundary Current along the Reykjanes Ridge
William Johns, Adam Houk, Greg Koman, Sijia Zou, and Susan Lozier
11:45–12:00
EGU2017-4482
Did a “warm surge” of Gulf Stream water during the 1990s drive major hydrographic changes in the western subpolar gyre?
Zoe Jacobs, Jeremy Grist, Bob Marsh, Simon Josey, and Bablu Sinha
Lunch break
13:30–13:45
EGU2017-17314
Effect of gravity waves on the North Atlantic circulation (solicited)
Carsten Eden
13:45–14:00
EGU2017-6959
Instability-Driven Benthic Storms Below the Separated Gulf Stream in a High Resolution Ocean Model
René Schubert, Arne Biastoch, Meghan F. Cronin, and Richard J. Greatbatch
14:00–14:15
EGU2017-10345
Gulf Stream transport and mixing processes via coherent structure dynamics (solicited)
Chris Wilson, Yi Liu, Melissa Green, and Chris Hughes
14:15–14:30
EGU2017-7651
How ocean eddies contribute to enhanced downwelling in the North Atlantic Ocean
Nils Brüggemann, Caroline Katsman, Henk Dijkstra, and Sybren Drijfhout
14:30–14:45
EGU2017-5593
Transport Structure and Energetic of the North Atlantic Current in Subpolar Gyre from Observations
Loïc Houpert, Mark Inall, Estelle Dumont, Stefan Gary, Marie Porter, William Johns, and Stuart Cunningham
14:45–15:00
EGU2017-13148
Freshwater fluxes from Greenland into the ocean: A Case Study of Sermilik Fjord
Fiamma Straneo, Nicholas Beaird, Ginny Catania, Denis Felikson, Patrick Heimbach, Twila Moon, Dave Sutherland, Simona Masina, and Florence Colleoni
Coffee break
15:30–15:45
EGU2017-8159
Evolution of the Atlantic Multidecadal Variability in a model with an improved North Atlantic Current
Richard Greatbatch and Annika Drews
15:45–16:00
EGU2017-6819
Sinking of North Atlantic waters in a global ocean model: location and controlling factors
Caroline Katsman, Sybren Drijfhout, Henk Dijkstra, and Michael Spall
16:00–16:15
EGU2017-40 | presentation
The impact of Labrador Sea temperature and salinity variability on density and the subpolar AMOC in a decadal prediction system
Matthew Menary, Leon Hermanson, and Nick Dunstone
16:15–16:30
EGU2017-11209
Climate-related relative sea-level changes from Chesapeake Bay, U.S. Atlantic coast
Timothy Shaw, Benjamin Horton, Andrew Kemp, Niamh Cahill, Michael Mann, Simon Engelhart, Robert Kopp, Matthew Brain, Jennifer Clear, Reide Corbett, Daria Nikitina, Ane Garcia-Artola, and Jennifer Walker
16:30–16:45
EGU2017-4103
A Possible Cause for Recent Decadal Atlantic Meridional Overturning Circulation Decline
Mojib Latif, Taewook Park, and Wonsun Park
16:45–17:00
EGU2017-5521
Variability of the storage of anthropogenic carbon in the subpolar North Atlantic over the last two decades
Reiner Steinfeldt, Dagmar Kieke, and Monika Rhein

Tuesday, 25 April 2017
Room G2
Chairperson: Monika Rhein
08:30–08:45
EGU2017-3035
Air-sea heat fluxes associated with episodic cold air outbreaks and their role for dense water formation in the Nordic Seas
Lukas Papritz, Kjetil Våge, and Thomas Spengler
08:45–09:00
EGU2017-7768
Multi-decadal variability in predictive skill of the winter North Atlantic Oscillation in a new dataset of Atmospheric Seasonal Forecasts of the 20th Century (solicited)
Nathalie Schaller, Antje Weisheimer, Christopher O'Reilly, David MacLeod, and Tim Palmer
09:00–09:15
EGU2017-17269
Atmospheric controls on North Atlantic Ocean heat content: an adjoint sensitivity study
Daniel C. Jones, Bablu Sinha, Simon A. Josey, and Emily Shuckburgh
09:15–09:30
EGU2017-17050
Mesoscale eddies control meridional heat flux variability in the subpolar North Atlantic
Jian Zhao, Amy Bower, Jiayan Yang, Xiaopei Lin, and Chun Zhou
09:30–09:45
EGU2017-8772
Multi-decadal temperature variability of the deep North Atlantic Subpolar Gyre
Damien Desbruyères, Elaine McDonagh, Bablu Sinha, and Alexis Megann
09:45–10:00
EGU2017-4256
Feedbacks of Sea Surface Temperature to Wintertime Storm Tracks in the North Atlantic
Bolan Gan and Lixin Wu