Sediments In Suspension
Mostrando 1-12 de 22 artigos, teses e dissertações.
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1. Diagnóstico hidrossedimentológico da Bacia do Rio Piquiri.
RESUMO: O conhecimento do comportamento hidrossedimentológico de uma bacia hidrográfica é fundamental para a adequada gestão e uso de seus recursos hídricos. Este traballho objetivou realizar, a partir dos dados hidrossedimentométricos da Bacia do Rio Piquiri, um diagnóstico sobre o seu comportamento hidrossedimentológico. Utilizando os dados fluviom
Planaltina. Publicado em: 2011
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2. Remediação de sedimentos eutróficos da Represa Ibirité (MG) pela adição de nitrato e Phoslock: experimentos em laboratório / Remediation of Eutrophic Sediments by the Addition of Nitrate and Phoslock: Laboratory experiments
Ibirité Reservoir (Ibirité/Sarzedo, MG) receives untreated effluents and raw sewage from the city of Ibirité and surroundings, which are the main cause of the eutrophication of this ecosystem. Past studies have shown that sediment is a significant internal source of nutrients (ammonium and orthophosphate ions) to the water column. Within this context, the
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 20/12/2010
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3. SENSORIAMENTO REMOTO APLICADO AO ESTUDO DO COMPORTAMENTO ESPECTRAL DA ÁGUA NO RESERVATÓRIO PASSO REAL RS / REMOTE SENSING APPLIED TO THE STUDY ON WATER SPECTRAL BEHAVIOR IN PASSO REAL RS RESERVOIR
The building of reservoirs for energy generation and water flow control generated river environmental changes as well as modifications on fluvial environment. In such context, remote sensing is a tool that enables spatial analysis and temporal aquatic environmental information acquisition. This research present a study on water spectral behavior in Passo Rea
Publicado em: 2009
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4. Qualidade da água e distribuição espacial de foraminíferos bentônicos em estuários das Baías Norte e Sul da Ilha de Santa Catarina (Brasil)
Watersheds with different characteristics lead to different rates of biogeochemical elements that contribute in estuarine systems. Thus, this study investigated the contribution of drainage on the nutrients as well as the responses of benthic foraminifera, with focus on estuarine region of six major systems that discharge in the North and South bays of Santa
Publicado em: 2009
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5. Capacidade de Retenção de Fósforo e Material Particulado em Suspensão por Manguezal de Área Impactada por Efluentes da Carcinicultura. / Phosphorus retention capacity and Suspension of Particulate Matter in Mangrove Area impacted by effluents from Shrimp.
The mangrove forests stabilize the coastal erosion zone and act as a buffering between the continent and the sea. This forest presents high resilient degree, suggested to be used as marker of environmental changes. They play an important role in the energy flow and nutrients cycles. They are suffering with the growth of shrimp ponds. This tends to be respons
Publicado em: 2009
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6. Análise de fluorescência de substâncias húmicas extraídas da água, solo e sedimento da Lagoa dos Patos - MS
The humic substances were extracted from sediments, water and soil close to the Lagoa dos Patos-MS. The characterization was performed through fluorescence emission. In the HSs it is possible to see strong indications of incorporation of compounds originating from lignin degradation, confirmed by fluorescence emission (EEM and synchronous spectra). These dif
Química Nova. Publicado em: 2008
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7. SEDIMENT ACUMULATION AND TRANSPORT IN THE MICRODRAINAGE: MONITORING AND MODELING. / ACUMULAÇÃO E TRANSPORTE DE SEDIMENTOS NA MICRODRENAGEM: MONITORAMENTO E MODELAGEM
This research aims to contribute to understanding the acumulation and distribuitions process of sediments in the urban microdrainage, through monitoring the dry sediments in gutter of asphalted streets, sedimentologic monitoring in the outflow of microdrainage and the use of SWMM model to better understand the process involved. We collected dry samples sedim
Publicado em: 2008
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8. Current methods and new technologies for monitoring the transport of sediment in rivers: the need for data and uncertainties involved / Métodos atuais e novas tecnologias para o monitoramento do transporte de sedimentos em rios: necessidade de dados e incertezas envolvidas
The knowledge of the processes involving the transport, deposition and suspension of sediment in rivers is of vital importance in the conservation, development and utilization of water resources and the environment. Meanwhile, in Brazil, which has based the hydropower energy, has not given proper consideration with regard to sedimentation due to the difficul
Publicado em: 2008
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9. Ocean outfall of Santoss sewage: contribution on the sediment of fund to Al, Mg, K, Ca, Fe, Ti, Na, Si, Ba, Cu, Zn, Cr, Mn, Co, Ni e S / Emissário submarino de Santos: contribuição nos sedimentos de fundo para Al, Mg, K, Ca, Fe, Ti, Na, Si, Ba, Cu, Zn, Cr, Mn, Co, Ni e S
After the construction of the Ocean Outfall of Santoss sewage, all of Santoss and part of São Vicentes effluents started to be discarded in the Santos Bay after Preconditioning. In light of that aspect, CETESB began a monitoring control of the materials dumped through the emissary. In this dissertation sediments samples in the environment of that monitoring
Publicado em: 2008
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10. Caracterização tafonômica das concentrações fossilíferas da Formação Cape Melville, Grupo Moby Dick (Mioceno Inferior), Ilha Rei George, Antártica / Taphonomic characterization of fossil concentrations from the Cape Melville Formation, Moby Dick Group (Early Miocene), King Georg Island, Antactica
Works focusing on the taphonomy of fossil concentrations generated in glacial or periglacial environment are rare. In this context, the present dissertation carried out the taphonomic characterization of the fossil concentrations of the Cape Melville Formation, Moby Dick Group (Lower Miocene), King George Island, Antarctica, in order to elucidate the genesis
Publicado em: 2007
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11. Processos redoxes de ferro em argilominerais: caracterização, métodos de quantificação, especiação e modificações estruturais
Redox processes within clays and clay minerals influence significantly in different physical and chemical properties in soils and sediments, mainly which ones related to the chemical interaction between solid and solution phases (liquid or gas) such as superficial charge and ion dynamics. Other, like expansibility, water retention capacity, surface area, and
Publicado em: 2007
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12. THE RELATIONSHIP OF THE STEEPNESS WITH LIMNOLOGICAL VARIABLES IN HYDROGRAPHIC BASINS. STUDY OF CASE: MUNICIPAL DISTRICT OF RESTINGA SÊCA RIO GRANDE DO SUL STATE / A RELAÇÃO DA DECLIVIDADE COM VARIÁVEIS LIMNOLÓGICAS EM MICROBACIAS HIDROGRÁFICAS. ESTUDO DE CASO: MUNICIPIO DE RESTINGA SÊCA - RS
The development degree of a society depends mainly on the available natural resources for its development, in second level to the technology and the culture. The soil and the hydrics resources are very important natural resources for the humanity from where is extracted the sustenance of the societies, the quality and the amount of the natural resources are
Publicado em: 2006