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Pantanal wetlands: soil-water interactions in the sub-regions of the Pantanal

Grant number: 08/09086-7
Support type:Regular Research Grants
Duration: January 01, 2009 - July 31, 2011
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Physical Geography
Principal Investigator:Sonia Maria Furian
Grantee:Sonia Maria Furian
Home Institution: Faculdade de Filosofia, Letras e Ciências Humanas (FFLCH). Universidade de São Paulo (USP). São Paulo , SP, Brazil


Although our knowledge on wetlands has recently increased, it is still partial in many aspects. The identification as well as the demarcation of wetlands poses problems because of their heterogenities and diversities, resulting from their control by physical, chemical and biological processes. The Pantanal wetland is considered as the worlds largest continental wetland and consists of a mozaic of very contrasted region from a geomorphological, pedological and geochemical point of view. In order to understand the Pantanal as a whole, we need to establish a compartmentation based on its present day functioning, identifying the processes responsible for soil and water interactions. The Pantanal presents surprinsing features, or even contradictory for such wetland, because recent studies have shown that the concentration process of waters is responsible for the chemical variability observed in large regions. Therefore, methods used to identify present day processes occurring in semi-arid area seems to be relevant for its study. The aim is to assess the influence of the evaporation in the functioning of this ecosystem. The present study makes up of 4 complementary work-packages, to be realized at 3 different scales: (1) to discriminate compartments through the quality of the water flowing into the plain, and its evolution by evaporation; (2) to realize a regional space-time analysis of rainwater isotope signature; (3) to identify and to organize into a hierarchy the processes responsible for hydrochemical variability in 2 or 3 contrasted regions. (4) to verify on experimental area if the type soil cover is in accord with the water quality and the processes identified in work package 3. (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)
FURIAN, SONIA; CURTI MARTINS, ELISANGELA ROSEMERI; PARIZOTTO, TATIANA MASCARI; REZENDE-FILHO, ARY TAVARES; VICTORIA, REYNALDO LUIZ; BARBIERO, LAURENT. Chemical diversity and spatial variability in myriad lakes in Nhecolandia in the Pantanal wetlands of Brazil. Limnology and Oceanography, v. 58, n. 6, p. 2249-2261, NOV 2013. Web of Science Citations: 13.
REZENDE FILHO, A. T.; FURIAN, S.; VICTORIA, R. L.; MASCRE, C.; VALLES, V.; BARBIERO, L. Hydrochemical variability at the Upper Paraguay Basin and Pantanal wetland. HYDROLOGY AND EARTH SYSTEM SCIENCES, v. 16, n. 8, p. 2723-2737, 2012. Web of Science Citations: 12.
CORREIA FURQUIM, SHEILA APARECIDA; BARBIERO, LAURENT; GRAHAM, ROBERT C.; DE QUEIROZ NETO, JOSE PEREIRA; DIAS FERREIRA, ROSELY PACHECO; FURIAN, SONIA. Neoformation of micas in soils surrounding an alkaline-saline lake of Pantanal wetland, Brazil. Geoderma, v. 158, n. 3-4, p. 331-342, SEP 15 2010. Web of Science Citations: 21.

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