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Biogeochemistry of Dissolved Organic Matter in the SW Atlantic: Characterization, Quantification and Reactivity (DOMAt)

Grant number: 17/19907-7
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): December 01, 2017
Effective date (End): September 30, 2018
Field of knowledge:Physical Sciences and Mathematics - Oceanography - Chemical Oceanography
Principal researcher:Frederico Pereira Brandini
Grantee:Rafael Gonçalves Araujo
Home Institution: Instituto Oceanográfico (IO). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:14/50820-7 - Marine ferromanganese deposits: a major resource of E-tech elements, AP.TEM


Dissolved organic matter (DOM) is a major component of the carbon-pool in aquatic systems and thus represents an important pathway on the carbon cycle, especially in marine environments. For instance, studies have used DOM to assess drinking water quality, its importance on biogeochemical cycles, its usefulness as an environmental tracer, etc. This project aims at performing a characterization of DOM in surface and deep layers of the SW Atlantic by employing state-of-the-art DOM measurements. Additionally, the distribution, transformation and production of DOM will be assessed to provide novel insights on the carbon cycling in the shelf and deep ocean domains. The results generated by DOMAt will be used as a baseline for future environmental impact monitoring especially of the deep ocean zones close to the São Paulo Ridge and Rio Grande Rise, which is of great economical interested due to the exploration of ferromanganese oxide deposits and ore extraction.

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Scientific publications
(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)
GONCALVES-ARAUJO, RAFAEL; ROETTGERS, RUEDIGER; HARAGUCHI, LUMI; BRANDINI, FREDERICO PEREIRA. Hydrography-Driven Variability of Optically Active Constituents of Water in the South Brazilian Bight: Biogeochemical Implications. FRONTIERS IN MARINE SCIENCE, v. 6, NOV 19 2019. Web of Science Citations: 0.

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