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Paleoclimatic variability of South Atlantic Convergence Zone and processes in the Atlantic and Pacific Oceans: Last Glacial, Middle Holocene and Last Millennium

Grant number: 17/23417-5
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): January 01, 2018
Effective date (End): November 30, 2019
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Meteorology
Cooperation agreement: Belmont Forum
Principal researcher:Pedro Leite da Silva Dias
Grantee:Breno Raphaldini Ferreira da Silva
Home Institution: Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:15/50686-1 - Paleo-constraints on monsoon evolution and dynamics, AP.TEM


In this project plan we intend to explore changes in the correlation patterns between sea surface temperature (SST) and summer precipitation in South America in the region influenced by the South Atlantic Convergence Zone (SACZ), through the use of different analysis of spatial and temporal patterns in paleoclimatic scale. Three different periods, with different forcings for paleoclimatic changes, will be analyzed: Last Glacial (21k before the present), Middle Holocene (6k before present) and Last Millennium. The study of the models' behavior and ability to simulate large scale features at different times in the paleoclimatic scale will help to understand the possible mechanisms responsible for climate change in the past, which will certainly contribute greatly to the understanding of possible climate predictions in the future. (AU)

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Scientific publications (10)
(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)
RAPHALDINI, BRENO; WAKATE TERUYA, ANDRE SEIJI; SILVA DIAS, PEDRO LEITE; CHAVEZ MAYTA, VICTOR RAUL; TAKARA, VICTOR JUNJI. Normal Mode Perspective on the 2016 QBO Disruption: Evidence for a Basic State Regime Transition. Geophysical Research Letters, v. 47, n. 14, . (15/50686-1, 17/23417-5)
RAPHALDINI, B.; TERUYA, A. S. W.; RAUPP, C. F. M.; SILVA-DIAS, P. L.; TAKAHASHI, D. Y.. Inference of the topology of geomagnetic field multipole interactions. European Physical Journal-Special Topics, v. 230, n. 14-15, p. 2999-3007, . (17/23417-5, 15/50122-0, 15/50686-1)
RAPHALDINI, B.; TERUYA, A. S. W.; RAUPP, C. F. M.; SILVA-DIAS, P. L.; TAKAHASHI, D. Y.. Information flow between MJO-related waves: a network approach on the wave space. European Physical Journal-Special Topics, v. 230, n. 14-15, p. 3009-3017, . (17/23417-5, 15/50122-0, 15/50686-1)
RAPHALDINI, BRENO; MEDEIROS, EVERTON; RAUPP, CARLOS F. M.; TERUYA, ANDRE SEIJI. A New Mechanism for Maunder-like Solar Minima: Phase Synchronization Dynamics in a Simple Nonlinear Oscillator of Magnetohydrodynamic Rossby Waves. Astrophysical Journal Letters, v. 890, n. 1, . (18/03211-6, 15/50686-1, 17/23417-5)
RAPHALDINI, BRENO; TERUYA, ANDRE S. W.; DA SILVA DIAS, PEDRO LEITE; MASSAROPPE, LUCAS; TAKAHASHI, DANIEL YASUMASA. Stratospheric ozone and quasi-biennial oscillation (QBO) interaction with the tropical troposphere on intraseasonal and interannual timescales: a normal-mode perspective. EARTH SYSTEM DYNAMICS, v. 12, n. 1, p. 83-101, . (15/50686-1, 17/23417-5)
RAPHALDINI, BRENO; CIRO, DAVID; MEDEIROS, EVERTON S.; MASSAROPPE, LUCAS; TRINDADE, RICARDO I. F.. Evidence for crisis-induced intermittency during geomagnetic superchron transitions. Physical Review E, v. 101, n. 2, . (18/03211-6, 15/50686-1, 13/26598-0, 17/23417-5)
RAPHALDINI, BRENO; RAUPP, CARLOS F. M.. Nonlinear MHD Rossby wave interactions and persistent geomagnetic field structures. PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SC, v. 476, n. 2241, . (17/23417-5, 15/50686-1)
RAPHALDINI, BRENO; TERUYA, ANDRE SEIJI; RAUPP, CARLOS F. M.; BUSTAMANTE, MIGUEL D.. Nonlinear Rossby Wave-Wave and Wave-Mean Flow Theory for Long-term Solar Cycle Modulations. ASTROPHYSICAL JOURNAL, v. 887, n. 1, . (15/50686-1, 17/23417-5)
RAPHALDINI, BRENO; MEDEIROS, EVERTON S.; CIRO, DAVID; FRANCO, DANIEL RIBEIRO; TRINDADE, RICARDO I. F.. Geomagnetic reversals at the edge of regularity. PHYSICAL REVIEW RESEARCH, v. 3, n. 1, . (17/23417-5, 18/03211-6, 13/26598-0)
CIRO, D.; RAPHALDINI, B.; RAUPP, C. F. M.. Topography-induced locking of drifting Rossby-Haurwitz waves. Physics of Fluids, v. 32, n. 4, . (15/50686-1, 17/23417-5)

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