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Assessment of suspended sediment discharge in the Purus River basin, Brazil. Author(s): LATUF, M.; AMARAL, E. F. do Having a river basin as the study site, it is of fundamental importance to comprehend the sediment dynamics of river systems, in order to diagnose and understand them, aiming to carry out predictions.... ... Repository: BDPA Publication year: 2016
Evolução do uso da terra e qualidade da água na bacia do rio Salobra, MS. Author(s): DIAS, L. N.; SILVA, J. dos S. V. da A bacia hidrográfica é uma unidade básica para planejamento, dado que seus elementos naturais e antrópicos estão conectados pela água. Sendo assim as alterações ocorridas na sua superfície podem se re... ... Repository: BDPA Publication year: 2010
Further development of small hydropower facilities will significantly reduce sediment transport to the Pantanal wetland of Brazil. Author(s): FANTIN-CRUZ, i.; OLIVEIRA, M. D. de; CAMPOS, J. A.; CAMPOS, M. M. de; RIBEIRO, L. de S.; MINGOTI, R.; SOUZA, M. L. de; PEDROLLO, O.; HAMILTON, S. K. Small hydropower (SHP) facilities, which are defined by installed capacities <10?50 MW, are increasingly being built around the world. SHPs are viewed as less environmentally harmful than larger dams,... ... Repository: BDPA Publication year: 2020
Sediment yield modeling using an alternative environmental scenario in northwestern Rio de Janeiro - Brazil. Author(s): MARCHIORO, E.; FERNANDES, N.; MACEDO, J.; BHERING, S.; GONCALVES, A.; PRADO, R. The northwestern Rio de Janeiro (RJ-Brazil) area has been going through deep transformations in its soil use and occupation, which has contributed to increased sediment yield and changes in the soil-w... ... Repository: BDPA Publication year: 2014
Trace metals concentrations in mangrove sediments of Sepetiba Bay (Rio de Janeiro, Brazil): microwave assisted digestion with nitric acid and aqua regia. Author(s): SOUZA, P. S. A. de; MARQUES, M. R. C.; SOARES, M. L. G.; PEREZ, D. V. Mangrove sediments have a great capacity to accumulate trace metals that can be remobilized thus contaminating the water and biota. Concentrations of trace metals (Cu, Ni, Pb and Zn) in mangrove sedim... ... Repository: BDPA Publication year: 2012
Evaluation of the QuEChERS method and gas chromatography-Mass spectrometry for the analysis pesticide residues in water and sediment. Author(s): BRONDI, S. H. G.; MACEDO, A. N.; VICENTE, G. H. L.; NOGUEIRA, A. R. de A. A method for the determination of pesticide residues in water and sediment was developed using the QuEChERS method followed by gas chromatography ? mass spectrometry. The method was validated in terms... ... Repository: BDPA Publication year: 2011
Curvas-chave de descargas de sedimentos em suspensão no Baixo São Francisco. Author(s): MELO, S. C. de; ARAUJO FILHO, J. C. de; CARVALHO, R. M. C. M. de O. O conhecimento da análise quantitativa das concentrações de sedimentos em suspensão transportados pelo rio São Francisco bem como sua relação com as vazões é de muita importância, pois pode auxiliar n... ... Repository: BDPA Publication year: 2020
Assessment of the impact of conservation measures by modeling soil loss in Minas Gerais, Brazil. Author(s): SOARES, A. K. M.; CRESTANA, S.; FERREIRA, R. R. M.; RODRIGUES, V. G. S. ABSTRACT: Gullies are significant contributors to soil degradation in several regions of Brazil, including Minas Gerais, where erosion processes have caused soil loss. The characterization of erosion... ... Repository: BDPA Publication year: 2024
Performance evaluation of a water erosion tracer using plot-scale experiments and process-based modeling. Author(s): VILLELA, J. M.; ANACHE, J. A. A.; WATANABE, A. M.; FLANAGAN, D. C.; CRESTANA, S. abstract Socioeconomic and environmental losses caused by water erosion have highlighted the importance of quantifying and understanding the dynamics of soil redistribution in the landscape to develop... ... Repository: BDPA Publication year: 2023
Characterization and classification of floodplain soils in the Porto Alegre metropolitan region, RS, Brazil. Author(s): SILVA NETO, L. de F. da; INDA, A. V.; NASCIMENTO, P. C. do; GIASSON, E.; SCHMITT, C.; CURI, N. In the Porto Alegre metropolitan region (PAMR) there are a significant proportion of floodplain soils, mainly Planosols and Gleysols, in relation to upland soils. This study aimed to evaluate the morp... ... Repository: BDPA Publication year: 2015

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