| Summary: | Jornada de presentación de proyectos iniciados el 2018-19. Challenge #1: Understanding Ocean and Climate Interactions The South Atlantic GAteway in the global conveyor belt (SAGA) is an ambitious, interdisciplinary and highly innovative coordinated effort to be carried out by three Spanish oceanography teams working in the Atlantic Ocean. The general objective of the SAGA project is to quantify and monitor the returning limb of the Atlantic Meridional Overturning Circulation in the South Atlantic Ocean, with special attention to the interior-ocean zonal flows linking the eastern and western South Atlantic basins. Subproject 2, led by the DOFT-ICM and entitled Fluxes of properties at multiple scales in the South Atlantic Ocean, will explore the flow field at the mesoscale, regional and ocean-gyre scales, and their interactions. At the ocean-gyre scale, this includes the recirculation of subantarctic waters along and under the subantarctic front, its incorporation to the subtropical gyre and its transfer to the tropical gyre. At regional scales, we will continue exploring the dynamics of western boundary retroflections (in the Brazil-Malvinas Confluence and western equatorial regions) and will also explore the intrusion of the Indian Ocean waters through Agulhas Current rings and the filaments associated to the Benguela Current and eastern boundary upwelling. At the mesoscale, we will examine the eastward mesoscale pathways south and north of the subantarctic and subtropical fronts, and their westward motion (dominated by Agulhas rings) along the rim between the subtropical and tropical gyres
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