Assessment of the changes in contributions from water sources to streamflow induced by urbanization in a small-sized catchment in Southeastern Brazil using the dual stable isotopes of water (18O and 2H)

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorState Technical School Fernando Prestes (ETEC)-
Autor(es): dc.contributorFrancisco Antonio Maciel S/N Esq. Luis Morquio-
Autor(es): dc.contributorNational Institute for Space Research (INPE)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.creatorLanças, Vanderlei Gomes-
Autor(es): dc.creatorSantarosa, Lucas Vituri-
Autor(es): dc.creatorGarpelli, Lia Nogueira-
Autor(es): dc.creatorBorma, Laura de Simone-
Autor(es): dc.creatorQuaggio, Carolina Stager-
Autor(es): dc.creatorMartins, Veridiana Teixeira de Souza-
Autor(es): dc.creatorGastmans, Didier-
Data de aceite: dc.date.accessioned2025-08-21T15:55:23Z-
Data de disponibilização: dc.date.available2025-08-21T15:55:23Z-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2023-03-01-
Data de envio: dc.date.issued2022-05-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s10661-022-10040-9-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/239882-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/239882-
Descrição: dc.descriptionUrban growth often results in changes in the urban hydrological cycle, causing impacts on water availability in densely populated regions. The water isotopologues can provide relevant information about the origin of water under different hydrogeological scenarios, aiding to implement better strategies for water conservation in coupled natural-urbanized environments. In this study, the isotopic compositions of multiple water sources were assessed in a pristine (Ipanema National Forest, FLONA) and an urbanized (Lavapés catchment, SOR) watershed located in the Sorocaba River basin (State of São Paulo, Southeastern Brazil), seeking to understand the causes of isotopic variability and to determine the relative contribution from different sources to streamflow, using the Bayesian mixing model approach. Differences in isotopic composition were observed, as FLONA yielded the most depleted water (ca. −7.5 ‰ δ18O for surface and groundwater and ca. + 11.0 ‰ d-excess), while SOR yielded the most enriched water (ca. −5.5‰ δ18O for surface and groundwater and −3.8‰ δ18O for the water supply system), with evidence of evaporation (ca. + 8.2 ‰ d-excess). The differences observed in isotopic compositions are related to a combination of different factors, such as geological framework, groundwater recharge, and evaporation associated with the Itupararanga water reservoir. Both in FLONA and SOR, groundwater discharge is the most important factor that regulates streamflow. However, in SOR, losses from the water supply system were almost constant along the year, representing an important contribution. The results presented here highlight the use of isotope hydrology techniques to solve problems related to urban hydrology.-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionInternational Atomic Energy Agency-
Descrição: dc.descriptionEnvironmental Studies Center São Paulo State University (UNESP), Av. 24A, SP-
Descrição: dc.descriptionState Technical School Fernando Prestes (ETEC), Rua Natal, SP-
Descrição: dc.descriptionUniversidad Tecnológica del Uruguay (UTEC) Francisco Antonio Maciel S/N Esq. Luis Morquio-
Descrição: dc.descriptionNational Institute for Space Research (INPE)-
Descrição: dc.descriptionInstitute of Geosciences University of São Paulo Rua Do Lago, SP-
Descrição: dc.descriptionEnvironmental Studies Center São Paulo State University (UNESP), Av. 24A, SP-
Descrição: dc.descriptionCNPq: 130944/2019-0-
Descrição: dc.descriptionCNPq: 134432/2019-3-
Descrição: dc.descriptionFAPESP: 2017/13576-9-
Descrição: dc.descriptionFAPESP: 2018/06666-4-
Descrição: dc.descriptionInternational Atomic Energy Agency: CRP-19747-
Idioma: dc.languageen-
Relação: dc.relationEnvironmental Monitoring and Assessment-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectBayesian mixing model-
Palavras-chave: dc.subjectStable isotopes-
Palavras-chave: dc.subjectStreamflow-
Palavras-chave: dc.subjectUrban hydrology-
Título: dc.titleAssessment of the changes in contributions from water sources to streamflow induced by urbanization in a small-sized catchment in Southeastern Brazil using the dual stable isotopes of water (18O and 2H)-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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