Reservoir Of Water
Mostrando 1-12 de 431 artigos, teses e dissertações.
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1. Bayesian modeling of the maximum streamflows from the Furnas reservoir
ABSTRACT The objective of this work was to predict the maximum flow of the Furnas reservoir in the dry and wet periods. The generalized distribution of extreme values (GEV) was used with parameter estimation via Bayesian inference. Data on average daily streamflows corresponding to the years 1965 to 2017 were obtained from Hidroweb, by the National Agency fo
Engenharia Sanitaria e Ambiental. Publicado em: 2022
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2. Niche differentiation between a native and an invasive species of submersed macrophyte in a subtropical reservoir
ABSTRACT Submersed macrophytes have important ecological roles but non-native invasive species may affect biodiversity and water uses. We investigated the native macrophyte Egeria najas and the invasive Hydrilla verticillata and measured their maximum colonization depth and its relationship with Secchi disk depth, their biomass along the depth gradient and t
Acta Bot. Bras.. Publicado em: 2021-03
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3. Method for Cleaning Back-Produced Water from Polymer Flooding Operations to Determine Polymer Molar Mass Using Size-Exclusion Chromatography
One of the methods used by the oil industry to increase production is to inject water, containing polymer, into the reservoir. The viscosity of the aqueous solution is primarily responsible for the efficiency of this method, and is achieved using polymers with high molar mass. However, polymer degradation can occur during pumping and fluid displacement in th
J. Braz. Chem. Soc.. Publicado em: 2020-12
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4. Large strain consolidation analyses of fine tailings disposal in mining pits
Abstract Herein, three-dimensional analyses of large strain consolidation applied to tail ings disposal in mining pits is studied. The main goal is to estimate filling time and, ac cordingly, the capacity of the pit. Other useful results, such as dry density profiles and water pore pressure generation are also obtained. Two different slimes from the iron or
REM, Int. Eng. J.. Publicado em: 2020-09
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5. Preserve Planet EARTH. If not you, WHO? If not Now, WHEN?
Abstract Herein, three-dimensional analyses of large strain consolidation applied to tail ings disposal in mining pits is studied. The main goal is to estimate filling time and, ac cordingly, the capacity of the pit. Other useful results, such as dry density profiles and water pore pressure generation are also obtained. Two different slimes from the iron or
REM, Int. Eng. J.. Publicado em: 2020-09
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6. DIRECT CONNECTION PHOTOVOLTAIC SYSTEM IN MULTI-MOTOR APPLICATION FOR THE RURAL SECTOR
ABSTRACT Photovoltaic pumping systems equipped with variable speed drive have been consolidated as an alternative for water supply in rural locations where energy services are unavailable. Such systems are of the direct connection type and, therefore, it is likely that their operation occurs in two situations: when energy is available and when the reservoir
Eng. Agríc.. Publicado em: 2020-06
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7. Análise das mudanças na vegetação nativa da apa Lago de Palmas
Resumo Neste estudo propõe-se conhecer a dinâmica da vegetação de Cerrado e Floresta Estacional, no período de 2000 a 2017, na Área de Preservação Ambiental (APA) Lago de Palmas, utilizando-se imagens do satélite Landsat e o software livre Spring 5.5.3. Foram construídos dois mapas temáticos da área estudada para estimar, por meio de análise com
Ciênc. Florest.. Publicado em: 02/12/2019
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8. Metals and dissolved organic carbon (DOC) of surface waters in two adjacent watersheds in the eastern Amazon
Resumo A intensificação do uso da terra na região da “Zona Bragantina”, uma área da Amazônia Oriental brasileira, acelerou as mudanças de paisagem da floresta primária para uma mistura de diferentes usos da terra: floresta (vegetação ripária), floresta secundária, pastagem, terra agrícola anual, terra cultivada perene, solo descoberto e veget
Rev. Ambient. Água. Publicado em: 28/11/2019
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9. Potencialidade de uso não potável de água de lagoa de detenção
RESUMO As águas de lagoas de detenção geralmente não são utilizadas produtivamente e o seu potencial é desperdiçado. Por estarem disseminadas nas cidades, a utilização dessas águas pode reduzir os custos com transporte de água, além de permitir a preservação de águas de melhor qualidade para fins mais nobres. Algumas das possíveis utilizaçõ
Eng. Sanit. Ambient.. Publicado em: 25/11/2019
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10. Rethinking resting eggs decapsulating
Resumo Objetivo Temperatura e luz são reconhecidas como importantes fatores para eclosão de efípios em sistemas dulcícolas tropicais e temperados. Curiosamente, alguns autores sugerem que remover a cápsula dos ovos de resistência seria um benefício quando se trata de estudos de eclosão ex situ, expondo esses ovos a uma maior quantidade de luz. Este
Acta Limnol. Bras.. Publicado em: 24/10/2019
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11. Proposal of a trophic state index in semiarid reservoirs using data of the Banabuiú Basin, state of Ceará, Brazil
Resumo Objetivo O presente trabalho teve como objetivo desenvolver um Índice de Estado Trófico que simule o impacto cumulativo em 18 reservatórios da bacia hidrográfica do Banabuiú, localizada no semiárido cearense. Métodos Foram analisadas variáveis físicas (temperatura, transparência e turbidez), químicas (oxigênio dissolvido, pH e fósforo t
Acta Limnol. Bras.. Publicado em: 21/10/2019
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12. Impact of artificial destratification on water availability of reservoirs in the Brazilian semiarid
Abstract: Field surveys and integral modelling were carried out to study the effect of bubble plumes on the flow hydrodynamics and the time-evolution of water temperature profiles in a shallow lake with maximum depth of about 4 m. Then, model simulations were performed to verify the feasibility of destratification of ten water-supply reservoirs with capaciti
An. Acad. Bras. Ciênc.. Publicado em: 30/09/2019