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Interannual variability of the meridional transports across the SAMOC basin-wide array (SAMBAR)

Grant number: 17/09659-6
Support Opportunities:Research Projects - Thematic Grants
Duration: December 01, 2017 - November 30, 2023
Field of knowledge:Physical Sciences and Mathematics - Oceanography - Physical Oceanography
Principal Investigator:Edmo José Dias Campos
Grantee:Edmo José Dias Campos
Host Institution: Instituto Oceanográfico (IO). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Pesquisadores principais:
Elisabete de Santis Braga da Graça Saraiva ; Tercio Ambrizzi
Associated researchers: Alberto Piola ; Carlos Alessandre Domingos Lentini ; Carlos Augusto de Sampaio França ; Carlos Eduardo Peres Teixeira ; Christopher Meinen ; Daniel Valla ; David Smeed ; Elaine Mcdonagh ; Elisabete de Santis Braga da Graça Saraiva ; Evgeny Morozov ; Fabrício Sanguinetti Cruz de Oliveira ; Hosmay Lopez ; Humberto Marotta Ribeiro ; Isabelle Ansorge ; Johannes Karstensen ; José Luis Pelegrí Llopart ; Leticia Cotrim da Cunha ; Luis Antônio Lacerda Aímola ; Luiz Drude de Lacerda ; Lynne Talley ; Marcelo Barreiro ; Maria Paz Chidichimo ; Mathias Campos van Caspel ; Mauro Cirano ; Olga Tiemi Sato ; Paola Maria Castellano Ossa Fernandes ; Paulo Nobre ; Paulo Simionatto Polito ; Peter Brandt ; Peter Zavialov ; Raul Alfredo Guerrero ; Regina Rodrigues Rodrigues ; Reindert Haarsma ; Renellys C. Perez ; Ricardo Matano ; Rodrigo Kerr Duarte Pereira ; Sabrina Speich ; Shenfu Dong ; Silvia Lucia Garzoli ; Sybren Drijfhout ; Tarron-Ann Lamont ; Tercio Ambrizzi ; Wilton Zumpichiatti Arruda
Associated grant(s):19/26635-9 - Ocean Sciences Meeting 2020, AR.EXT
19/27681-4 - Ocean Sciences Meeting 2020, AR.EXT
Associated scholarship(s):22/14424-6 - Interaction between sea surface temperature Interannual Variability modes and Madden-Julian Oscillation in southern Africa: observations and model simulations, BP.PD
21/09317-3 - Changes on the bottom limb of the Atlantic meridional overturning circulation on the last decades, BP.DD
19/04310-0 - Impact of the Southwestern Atlantic Ocean on cut-off LOWS: analysis of their variability, structure and lifecycle using climate models simulations, BP.PD
+ associated scholarships 18/09823-3 - A study of the impacts of changes in the South Atlantic circulation on climate based on the analyses of observations and numerical models, BP.PD
18/06806-0 - Changes in the variability modes of the South Atlantic Ocean and impacts on the climate of South America under of climate change, BP.DR
17/25110-4 - Investigation of the Physical Process Associated with the Impacts of the South Atlantic Dipole in the South America, BP.PD
17/23133-7 - Interannual variability of the South Atlantic subtropical mode water associated to remote climate patterns, BP.IC - associated scholarships


The proposed research aims at a better understanding of the interannual variability of the heat content and meridional transports across 34.5S, a zonal section referred as SAMBA (the South Atlantic Meridional Overturning Circulation (SAMOC) Basin-wide Array). It will investigate impacts of global changes on the ocean and the feedback of changes in the South Atlantic Circulation on the Regional Climate and on the stability of the Meridional Overturning Circulation (MOC). For reaching the objectives, the activities will include: the acquisition of instruments and their deployment in the South Atlantic; the conduction of annual cruises to deploy, to service and to perform data telemetry of data stored in moored instruments; to conduct hydrographic surveys of physical and biochemical properties of the water column; the data mining of ancillary data and the analysis of observations and results of numerical experiments. The results will contribute for a better understanding of the climate, in regional and global scales, and to more immediate societal benefits and economic impacts, as the Brazilian coastal regions are exposed and highly vulnerable to changes in the Atlantic circulation. Slight changes in currents and thermodynamic properties can have dramatic impacts on the regional climate, on the sea level height, on coastal geomorphology and on the coastal ecosystems. The better knowledge of the large-scale processes in the South Atlantic is essential for the proper design of coastal observing systems and most effective policies for understanding the impacts of climate changes, for actions for mitigation, adaptation and protection of the environment. (AU)

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Scientific publications (22)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
CASTELLANOS, PAOLA; OLMEDO, ESTRELLA; LLUIS PELEGRI, JOSEP; TURIEL, ANTONIO; CAMPOS, EDMO J. D.. Seasonal Variability of Retroflection Structures and Transports in the Atlantic Ocean as Inferred from Satellite-Derived Salinity Maps. REMOTE SENSING, v. 11, n. 7, . (10/01943-8, 11/50552-4, 08/58101-9, 17/09659-6)
MEINEN, CHRISTOPHER S.; SPEICH, SABRINA; PIOLA, ALBERTO R.; ANSORGE, ISABELLE; CAMPOS, EDMO; KERSALE, MARION; TERRE, THIERRY; CHIDICHIMO, MARIA PAZ; LAMONT, TARRON; SATO, OLGA T.; et al. Meridional Overturning Circulation Transport Variability at 34.5 degrees S During 2009-2017: Baroclinic and Barotropic Flows and the Dueling Influence of the Boundaries. Geophysical Research Letters, v. 45, n. 9, p. 4180-4188, . (17/09659-6, 11/50552-4)
VALLA, DANIEL; PIOLA, ALBERTO R.; MEINEN, CHRISTOPHER S.; CAMPOS, EDMO. Abyssal Transport Variations in the Southwest South Atlantic: First Insights From a Long-Term Observation Array at 34.5 degrees S. Geophysical Research Letters, v. 46, n. 12, p. 6699-6705, . (17/09659-6, 11/50552-4)
CAMPOS, EDMO J. D.; VIEIRA, FILIPE; CAVALCANTE, GEORGENES; KJERFVE, BJORN; ABOULEISH, MOHAMED; SHARIAR, SAKIB; MOHAMED, REEM; GORDON, ARNOLD L.. Impacts of brine disposal from water desalination plants on the physical environment in the Persian/Arabian Gulf. ENVIRONMENTAL RESEARCH COMMUNICATIONS, v. 2, n. 12, . (17/09659-6)
SILVA, CARLOS BATISTA; SILVA, MARIA ELISA SIQUEIRA; AMBRIZZI, TERCIO; PATUCCI, NATALIA NUNES; LIMA, BRUNA SIMOES; CORREA, WESLEY CAMPOS. Spatial distribution of spectral SST oscillations over the equatorial pacific in the period 1888-2014. INTERNATIONAL JOURNAL OF CLIMATOLOGY, v. 41, n. 7, p. 3841-3864, . (16/06654-0, 14/50848-9, 17/09308-9, 17/09659-6)
MARENGO, JOSE A.; JIMENEZ, JUAN C.; ESPINOZA, JHAN-CARLO; CUNHA, ANA PAULA; ARAGAO, LUIZ E. O.. ncreased climate pressure on the agricultural frontier in the Eastern Amazonia-Cerrado transition zon. SCIENTIFIC REPORTS, v. 12, n. 1, . (14/50848-9, 17/09659-6)
CHIDICHIMO, M. P.; PIOLA, A. R.; MEINEN, C. S.; PEREZ, R. C.; CAMPOS, E. J. D.; DONG, S.; LUMPKIN, R.; GARZOLI, S. L.. Brazil Current Volume Transport Variability During 2009-2015 From a Long-Term Moored Array at 34.5 degrees S. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, v. 126, n. 5, . (17/09659-6, 11/50552-4)
ANDERSON AUGUSTO BIER; SIMONE EROTILDES TELEGINSKI FERRAZ; TERCIO AMBRIZZI. Summer dry events on synoptic and intraseasonal timescales in the Southeast Region of Brazil. ATMOSFERA, v. 36, n. 1, p. 57-76, . (18/06806-0, 17/09659-6, 14/50848-9)
CAMPOS, EDMO J. D.; VAN CASPEL, MATHIAS C.; ZENK, WALTER; MOROZOV, EUGENE G.; FREY, DMITRY I.; PIOLA, ALBERTO R.; MEINEN, CHRISTOPHER S.; SATO, OLGA T.; PEREZ, RENELLYS C.; DONG, SHENFU. Warming Trend in Antarctic Bottom Water in the Vema Channel in the South Atlantic. Geophysical Research Letters, v. 48, n. 19, . (19/07833-4, 18/09823-3, 17/09659-6)
BRAZ, DEJANIRA FERREIRA; AMBRIZZI, TERCIO; DA ROCHA, ROSMERI PORFIRIO; ALGARRA, IAGO; NIETO, RAQUEL; GIMENO, LUIS. Assessing the Moisture Transports Associated With Nocturnal Low-Level Jets in Continental South America. FRONTIERS IN ENVIRONMENTAL SCIENCE, v. 9, . (14/50848-9, 17/09659-6)
BERTOLETTI CARPENEDO, CAMILA; PEREIRA SILVEIRA CAMPOS, JOSE LEANDRO; AMBRIZZI, TERCIO; BURGO BRAGA, RICARDO. The high-frequency variability of Antarctic sea ice and polar cold air incursions over Amazonia. INTERNATIONAL JOURNAL OF CLIMATOLOGY, . (14/50848-9, 17/09659-6)
KERSALE, M.; MEINEN, C. S.; PEREZ, R. C.; LE HENAFF, M.; VALLA, D.; LAMONT, T.; SATO, O. T.; DONG, S.; TERRE, T.; VAN CASPEL, M.; et al. Highly variable upper and abyssal overturning cells in the South Atlantic. SCIENCE ADVANCES, v. 6, n. 32, . (17/09659-6, 18/09823-3, 11/50552-4, 19/07833-4)
SILVA, MARIA ELISA SIQUEIRA; SILVA, CARLOS BATISTA; AMBRIZZI, TERCIO; DRUMOND, ANITA; PATUCCI, NATALIA NUNES. South America Climate During the 1970-2001 Pacific Decadal Oscillation Phases Based on Different Reanalysis Datasets. Frontiers in Earth Science, v. 7, . (08/57719-9, 17/09659-6, 17/09308-9)
SANTIS, WLADEMIR; CASTELLANOS, PAOLA; CAMPOS, EDMO. Memory Effect of the Southern Atlantic Subtropical Dipole. Journal of Climate, v. 33, n. 17, p. 7679-7696, . (17/09659-6, 13/08572-3, 11/50552-4, 15/11366-1, 17/25110-4)
CAMILA B. CARPENEDO; TÉRCIO AMBRIZZI; RAFAEL CESAR SILVA. Sea ice in the Weddell Sea and its relationship with the South Atlantic Subtropical High and precipitation in South America. Anais da Academia Brasileira de Ciências, v. 94, . (17/09659-6, 14/50848-9)
CATHERINE B. BOU-HAYA; OLGA T. SATO. The heat storage variability in the Brazil Current. Ocean and Coastal Research, v. 70, . (17/09659-6)
DRUMOND, ANITA; STOJANOVIC, MILICA; NIETO, RAQUEL; GIMENO, LUIS; LIBERATO, MARGARIDA L. R.; PAULIQUEVIS, THEOTONIO; OLIVEIRA, MARINA; AMBRIZZI, TERCIO. ry and Wet Climate Periods over Eastern South America: Identification and Characterization through the SPEI Inde. ATMOSPHERE, v. 12, n. 2, . (17/09659-6, 14/50848-9, 20/09548-2)
MANTA, G.; SPEICH, S.; KARSTENSEN, J.; HUMMELS, R.; KERSALE, M.; LAXENAIRE, R.; PIOLA, A.; CHIDICHIMO, M. P.; SATO, O. T.; COTRIM DA CUNHA, L.; et al. he South Atlantic Meridional Overturning Circulation and Mesoscale Eddies in the First GO-SHIP Section at 34.5 degrees. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, v. 126, n. 2, . (11/50552-4, 17/09659-6)
HALL, NICHOLAS M. J.; LEROUX, STEPHANIE; AMBRIZZI, TERCIO. Transient contributions to the forcing of the atmospheric annual cycle: A diagnostic study with the DREAM model. Climate Dynamics, v. 52, n. 11, p. 6719-6733, . (17/09659-6, 08/58101-9)

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