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Grant number: 17/13576-9
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): December 01, 2017
Effective date (End): November 30, 2020
Field of knowledge:Physical Sciences and Mathematics - Geosciences - Geology
Principal researcher:Didier Gastmans
Grantee:Lucas Vituri Santarosa
Home Institution: Centro de Estudos Ambientais (CEA). Universidade Estadual Paulista (UNESP). Campus de Rio Claro. Rio Claro , SP, Brazil


Stable hydrogen and oxygen isotopes of (1H, 2H, 16O e 18O) are important tools in understanding the movement of water along the hydrological cycle. In favorable conditions, knowledge of the isotopic composition of the main water sources (precipitation and groundwater) can be used for quantify the spatial and temporal variations of the contributions these sources in the stream flow, allowing the understanding the regional hydrological system. Based on these premises, the present project aims to study the isotopic composition variation in the watersheds of the Water Resources Management Units (WRMU) Piracicaba/Capivari/Jundiaí (WRMU 5) e Tietê/Jacaré (WRMU 13) for the understanding of factors directly related to hydrologic dynamic in the Sao Paulo State. The area presents great environmental representativeness with aquifers of diversified characteristics directly influencing the importance of the contribution base stream of the studied rivers. As well as the characteristics of the relief and the spatial variation of the precipitation that can influence the isotopic composition. The study presents a methodology little applied the local environmental characteristics to study surface water resources using stable isotopes. The proposal represents an important instrument for the management water resources, providing the understanding of the interaction between the components of the hydrological cycle to delineate actions outline actions that protect the source and allow to conserve strategic water reserves in the current context of water scarcity.

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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)
SANTAROSA, LUCAS VITURI; GASTMANS, DIDIER; SANCHEZ-MURILLO, RICARDO; SANTOS, VINICIUS DOS; BATISTA, LUDMILA VIANNA; BETANCUR, SEBASTIAN BALBIN. Stable isotopes reveal groundwater to river connectivity in a mesoscale subtropical watershed. ISOTOPES IN ENVIRONMENTAL AND HEALTH STUDIES, v. 57, n. 3, p. 236-253, . (17/13576-9, 18/06666-4, 16/18735-5)
SANTAROSA, LUCAS VITURI; GASTMANS, DIDIER; SITOLINI, TATIANA PENTEADO; KIRCHHEIM, ROBERTO EDUARDO; BETANCUR, SEBASTIAN BALBIN; DIAS DE OLIVEIRA, MARCELO E.; VIEGAS CAMPOS, JOSE CLAUDIO; MANZIONE, RODRIGO LILLA. Assessment of groundwater recharge along the Guarani aquifer system outcrop zone in SAo Paulo State (Brazil): an important tool towards integrated management. ENVIRONMENTAL EARTH SCIENCES, v. 80, n. 3, . (17/13576-9, 18/06666-4)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SANTAROSA, Lucas Vituri. Anthropogenic and climatic impacts on hydrological processes: a multiple approach on the role of groundwater in complex watersheds in the state of São Paulo. 2020. Doctoral Thesis - Universidade Estadual Paulista (Unesp). Instituto de Geociências e Ciências Exatas. Rio Claro Rio Claro.

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