Monitoring Local Heat Content Changes with Satellite Altimetry and Space Gravimetry to Assess the Variability of the Meridional Heat Transport in the North Atlantic: the 4DATLANTIC-OHC Project

Robin Fraudeau1, Mickael Ablain2, Gilles Larnicol1, Florence Marti1, Alejandro Blazquez3, Victor Rousseau1, Benoit Meyssignac3, Giuseppe Foti4, Francisco M Calafat5, Matthew Hammond6, Damien Desbruyères7, William Llovel8, Odilon Joël Houndegnonto7, Pablo Ortega9, Vladimir Lapin10, Mar Rodriguez11, Rachel Elizabeth Killick12, Nick A Rayner12, Marie Drevillon13, Karina von Shuckmann14, Marco Restano15 and Jérôme Benveniste16, (1)Magellium, Earth Observation, Ramonville St Agne, France, (2)Magellium, Earth Observation, Ramonville-Saint-Agne, France, (3)LEGOS-CNES, Université de Toulouse, CNRS, UPS, IRD, Toulouse, France, (4)National Oceanography Centre, Marine Physics and Ocean Climate, Southampton, United Kingdom, (5)National Oceanography Centre, Liverpool, United Kingdom, (6)National Oceangraphy Centre, Southampton, United Kingdom, (7)LOPS (IFREMER, CNRS, IRD, IUEM), Brest, France, (8)Laboratoire d'Océanographie Physique et Saptiale, Univ Brest/CNRS/Ifremer/IRD, Plouzané, France, (9)Barcelona Supercomputing Center, Earth Sciences, Barcelona, Spain, (10)Barcelona Supercomputing Center, Barcelona, Spain, (11)Barcelona Supercomputing Center, Earth Sciences, Barcelone, Spain, (12)Met Office Hadley Centre, Exeter, United Kingdom, (13)Mercator Océan, Ramonville Saint Agne, France, (14)Mercator Ocean, Toulouse, France, (15)SERCO for European Space Agency, Frascati, Italy, (16)European Space Agency (ESA-ESRIN), Earth Observation Programmes, Frascati, Italy