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HIDROGEOCHEMISTRY CHARACTERISTICS OF THE SOROCABA RIVER DRAINAGE BASIN, SP: MECHANICAL AND CHEMICAL EROSION PROCESSES

Grant number: 08/09369-9
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): May 01, 2009
Effective date (End): January 31, 2012
Field of knowledge:Physical Sciences and Mathematics - Geosciences
Principal Investigator:Jefferson Mortatti
Grantee:Alexandre Martins Fernandes
Home Institution: Centro de Energia Nuclear na Agricultura (CENA). Universidade de São Paulo (USP). Piracicaba , SP, Brazil

Abstract

The Sorocaba River, the main left bank tributary of the Tiete River, is characterized as the main wellspring for the water captation municipalities in their drainage areas, aiming primarily the public supply around 1,000,000 inhabitants. The assessment of possible changes which are subject to natural ecosystems, under intensive industrial and / or agricultural occupation, can be performed with the use of different methodologies, which are associated with the water physical-chemical control and suspended matter transport throughout the drainage basin. The survey of hidrogeochemistry characteristics of the Sorocaba river drainage basin, based on fluvial dynamics of dissolved and particulate chemical species, an assessment of erosive processes, mechanical and chemical, which occur in the basin, considering the influence of anthropogenic and atmospheric total contributions in the dissolved chemical species in the river. Thus, it will be possible to establish the erosion balance in the drainage areas, identifying the main mechanisms that influence the mechanical erosion, as well as key processes change rock which are predominant in the drainage basin. The studied hidrogeochemistry aspects will allow a better understanding of the body water dynamics and, additionally, they can be used as a support for planning and adequate management of the drainage area towards human pressures that occur in the Sorocaba river basin.

Scientific publications (4)
(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)
FERNANDES, ALEXANDRE MARTINS; DA CONCEICAO, FABIANO TOMAZINI; SPATTI JUNIOR, EDER PAULO; COUTO JUNIOR, ANTONIO APARECIDO; HISSLER, CHRISTOPHE; MORTATTI, JEFFERSON. Human influences on the present denudation rates of the Paulista Peripheral Depression, Brazil. Geomorphology, v. 351, FEB 15 2020. Web of Science Citations: 1.
ALEXANDRE MARTINS FERNANDES; FABIANO TOMAZINI DA CONCEIÇÃO; JEFERSON MORTATTI. Hydrochemistry applied to assess the chemical weathering and soil removal rates in the Sorocaba River basin, Sao Paulo State. BRAZILIAN JOURNAL OF GEOLOGY, v. 50, n. 1, p. -, 2020. Web of Science Citations: 0.
FERNANDES, ALEXANDRE MARTINS; DA CONCEICAO, FABIANO TOMAZINI; SPATTI JUNIOR, EDER PAULO; SARDINHA, DIEGO DE SOUZA; MORTATTI, JEFERSON. Chemical weathering rates and atmospheric/soil CO2 consumption of igneous and metamorphic rocks under tropical climate in southeastern Brazil. CHEMICAL GEOLOGY, v. 443, p. 54-66, DEC 2 2016. Web of Science Citations: 4.
FERNANDES, ALEXANDRE MARTINS; HISSLER, CHRISTOPHE; DA CONCEICAO, FABIANO TOMAZINI; SPATTI JUNIOR, EDER PAULO; MORTATTI, JEFFERSON. Combined analysis of trace elements and isotopic composition of particulate organic matter in suspended sediment to assess their origin and flux in a tropical disturbed watershed. Environmental Pollution, v. 218, p. 844-854, NOV 2016. Web of Science Citations: 0.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
FERNANDES, Alexandre Martins. Características hidrogeoquímicas da bacia de drenagem do rio Sorocaba, SP: processos erosivos mecânicos e químicos. 2012. Doctoral Thesis - Universidade de São Paulo (USP). Centro de Energia Nuclear na Agricultura Piracicaba.

Please report errors in scientific publications list by writing to: cdi@fapesp.br.