I thank my colleagues at the Paleoceanography and Paleoclimatology Laboratory (P2L) at the School of Arts, Sciences and Humanities, and the Institute of Geosciences for interesting academic discussions and meetings. Special thanks go to Dr. Marília Campos for the support, as well as to Dr. Dailson Bertassoli and MSc. Thomas Akabane for the company during the fieldtrip in the São Francisco River Basin -crossing this river from its headlands to its mouth was an unforgettable experience.I thank my supervisor abroad, Dr. Enno Schefuß for his patience and help. Special thanks go to Ralph Kreutz for the technical support. I also thank all my colleagues at the MARUM -Center of Marine Environmental Science (University of Bremen, Germany) who helped me with laboratory procedures. Many thanks go to MSc. Débora Raposo and MSc. Jéssica Resende for the helping me during my stay in Bremen. I am grateful to the infrastructure of the University of São Paulo that made possible my Master's degree. I thank CAPES for the MSc. scholarship (grant 88882.328049/2019-01), as well as for two grants that partially financed this study (grants 564/2015 and 88881.313535/2019-01). Other funding agencies are also thanked for partially financing this
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