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Behavior of organic and inorganic species dissolved in the rainwater of Ribeirão Preto: a city in a sugarcane producing region that is rapidly changing

Grant number: 13/13482-3
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): November 01, 2013
Effective date (End): March 31, 2017
Field of knowledge:Physical Sciences and Mathematics - Chemistry
Principal Investigator:Maria Lúcia Arruda de Moura Campos
Grantee:Fernanda Furlan Giubbina Bernardi
Home Institution: Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto (FFCLRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil
Associated scholarship(s):15/07950-0 - Emission source apportionment and photochemical production of ethanol in the lower troposphere, BE.EP.DR


Atmospheric emissions from sugarcane producing regions are rapidly changing in the State of São Paulo. On the one hand, foliage burning is decreasing, reducing emission from biomass burning; on the other hand, the growing use of agricultural machinery is likely to increase the emissions from soil re-suspension. Because aerosol emissions and their chemical composition are undergoing fast modification in these regions, the solubility of the particulate material present in the low troposphere is seeing many alterations, which could have unknown implications to climate. The so-called 'second-generation' ethanol, obtained from cellulose, will increase the offer of this fuel; consequently, emissions linked to its use will also rise, impacting the oxidative capacity of the atmosphere. This project proposes to evaluate the current behavior of organic species (formaldehyde, acetaldehyde, ethanol, acetate, formate, dissolved organic carbon (DOC), volatile-DOC) and inorganic species (major ions), dissolved in the rainwater of Ribeirão Preto. We aim to better know into the intensity of the regional emissions, their sources, and the chemical alterations that might happen in the low troposphere. There are very few studies about wet deposition of organic compounds in Brazil, especially in agricultural regions with intensive biomass burning. We intend to better understand the role played by the atmosphere as a reservoir of carbon in a sugarcane producing region and to find out how the atmosphere can change due to future governmental policies on ethanol fuel use and production in Brazil. (AU)

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)
GIUBBINA, FERNANDA F.; SCARAMBONI, CAROLINE; DE MARTINIS, BRUNO S.; GODOY-SILVA, DANIELY; MELLO, IGRAYNE N. P. D.; NOGUEIRA, RAQUEL F. P.; CAMPOS, M. LUCIA A. M. Temporal variation of ethanol in rainwater from the sugar cane belt of Sao Paulo State (Brazil). Atmospheric Environment, v. 216, NOV 1 2019. Web of Science Citations: 0.
GIUBBINA, FERNANDA F.; SCARAMBONI, CAROLINE; DE MARTINIS, BRUNO S.; GODOY-SILVA, DANIELY; NOGUEIRA, RAQUEL F. P.; CAMPOS, M. LUCIA A. M. A simple method for simultaneous determination of acetaldehyde, acetone, methanol, and ethanol in the atmosphere and natural waters. ANALYTICAL METHODS, v. 9, n. 19, p. 2915-2922, MAY 21 2017. Web of Science Citations: 7.

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