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Sediment yield modeling using an alternative environmental scenario in northwestern Rio de Janeiro - Brazil. 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
Avaliação de diferentes cenários na produção de sedimentos em uma microbacia hidrográfica amazônica. Resumo: O objetivo deste trabalho foi estimar a produção de sedimentos na microbacia hidrográfica do rio Caiabi (MBHRC) utilizando a MUSLE com um evento de precipitação comum à região, avaliando seus... ... Repository: BDPA Publication year: 2019
Trace metals concentrations in mangrove sediments of Sepetiba Bay (Rio de Janeiro, Brazil): microwave assisted digestion with nitric acid and aqua regia. 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
Assessment of the impact of conservation measures by modeling soil loss in Minas Gerais, Brazil. 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. 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
Further development of small hydropower facilities will significantly reduce sediment transport to the Pantanal wetland of Brazil. 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
Characterization and classification of floodplain soils in the Porto Alegre metropolitan region, RS, Brazil. 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
Biogeochemistry of the Amazonian floodplains insights from six end member mixing models. Repository: BDPA Publication year: 2010
Assessment of suspended sediment discharge in the Purus River basin, Brazil. 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
Genetic parameters for production traits in primiparous Holstein cows estimated by random regression models. The objective of this study was to estimate genetic parameters for milk, fat and protein yields of Holstein cows using 56,508; 35,091 and 8,326 test-day milk records from 7,015, 4,476 and 1,114 cows,... ... Repository: BDPA Publication year: 2011

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