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

• Grant number: 17/09659-6
• Support type: Research Projects - Thematic Grants
• Duration: December 01, 2017 - November 30, 2023
• Field of knowledge: Physical Sciences and Mathematics - Oceanography - Physical Oceanography
• Principal researcher: Edmo José Dias Campos
• Grantee: Edmo José Dias Campos
• Home Institution: Instituto Oceanográfico (IO). Universidade de São Paulo (USP). São Paulo , SP, Brazil
• Pesquisadores principais: Elisabete de Santis Braga da Graça Saraiva ; Tercio Ambrizzi
• Assoc. 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): 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; 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; + associated scholarships 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

Abstract

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)

Scientific publications

(18)

(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)

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, MAY 16 2018. (11/50552-4, 17/09659-6)

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, APR 1 2019. (10/01943-8, 11/50552-4, 17/09659-6, 08/58101-9)

FRAJKA-WILLIAMS, ELEANOR; ANSORGE, ISABELLE J.; BAEHR, JOHANNA; BRYDEN, HARRY L.; CHIDICHIMO, MARIA PAZ; CUNNINGHAM, STUART A.; DANABASOGLU, GOKHAN; DONG, SHENFU; DONOHUE, KATHLEEN A.; ELIPOT, SHANE; et al. Atlantic Meridional Overturning Circulation: Observed Transport and Variability. FRONTIERS IN MARINE SCIENCE, v. 6, JUN 7 2019. (11/50552-4, 17/09659-6)

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, JUN 28 2019. (17/09659-6, 11/50552-4)

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, JAN 10 2022. (14/50848-9, 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, JUN 15 2021. (16/06654-0, 14/50848-9, 17/09308-9, 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, MAY 2021. (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, DEC 1 2020. (17/09659-6)

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, OCT 16 2021. (19/07833-4, 18/09823-3, 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, JUN 2019. (17/09659-6, 08/58101-9)

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, APR 22 2021. (14/50848-9, 17/09659-6)

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, FEB 7 2020. (08/57719-9, 17/09659-6, 17/09308-9)

CAMILA B. CARPENEDO; TÉRCIO AMBRIZZI. Atmospheric blockings in Coupled Model Intercomparison Project Phase 5 models with different representations of Antarctic sea ice extent. Anais da Academia Brasileira de Ciências, v. 94, 2022-05-30. (12/17370-2, 14/50848-9, 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, FEB 2021. (14/50848-9, 17/09659-6, 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, FEB 2021. (11/50552-4, 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, AUG 2020. (17/09659-6, 18/09823-3, 11/50552-4, 19/07833-4)

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, NOV 2021. (14/50848-9, 17/09659-6)

SANTIS, WLADEMIR; CASTELLANOS, PAOLA; CAMPOS, EDMO. Memory Effect of the Southern Atlantic Subtropical Dipole. Journal of Climate, v. 33, n. 17, p. 7679-7696, SEP 1 2020. (17/09659-6, 13/08572-3, 11/50552-4, 15/11366-1, 17/25110-4)