A5021667873- Water-Energy-Food Nexus Studies
- Atmospheric and Environmental Gas Dynamics
- Hydropower, Displacement, Environmental Impact
- Water resources management and optimization
- Hydrocarbon exploration and reservoir analysis
- Hydrology and Watershed Management Studies
- Water Quality and Pollution Assessment
- Groundwater flow and contamination studies
- Reservoir Engineering and Simulation Methods
- Marine and coastal ecosystems
- Coastal and Marine Management
- Energy and Environment Impacts
- Environmental Impact and Sustainability
- Hydraulic Fracturing and Reservoir Analysis
- Environmental Sustainability and Education
- Transboundary Water Resource Management
- Biodiesel Production and Applications
- Water Quality Monitoring and Analysis
- Fish biology, ecology, and behavior
- Cavitation Phenomena in Pumps
- Global Energy and Sustainability Research
- Soil and Water Nutrient Dynamics
- Fish Ecology and Management Studies
- Geography and Environmental Studies
- Urban Development and Societal Issues
Universidade Federal do Rio de Janeiro
2014-2024
National Council for Scientific and Technological Development
2015-2024
Universidade Federal Rural do Rio de Janeiro
1999-2018
Environmental Protection Agency
2016
Chongqing Institute of Green and Intelligent Technology
2016
Universidade do Vale do Itajaí
2014
Universidade de São Paulo
2004
Universidade Unigranrio
2003-2004
Hospital Universitário Clementino Fraga Filho
2003
Collectively, reservoirs created by dams are thought to be an important source of greenhouse gases (GHGs) the atmosphere. So far, efforts quantify, model, and manage these emissions have been limited data availability inconsistencies in methodological approach. Here, we synthesize reservoir CH4, CO2, N2O emission with three main objectives: (1) generate a global estimate GHG from reservoirs, (2) identify best predictors emissions, (3) consider effect methodology on estimates. We that water...
The emissions of carbon dioxide (CO 2 ) and methane (CH 4 from the Petit Saut hydroelectric reservoir (Sinnamary River, French Guiana) to atmosphere were quantified for 10 years since impounding in 1994. Diffusive surface computed direct flux measurements 1994, 1995, 2003 concentrations monitoring. Bubbling emissions, which occur only at water depths lower than m, interpolated funnel 1997, 2003. Degassing outlet dam downstream turbines was calculated difference gas upstream turbined...
Abstract Fifty-four water samples were collected between July and December 2019 at nine monitoring stations fifteen parameters analysed to provide an updated diagnosis of the Piabanha River quality. Further, forty years analysed, including government data previous research projects. A georeferenced database was also built containing management data. The Water Quality Index from National Sanitation Foundation (WQI NSF ) calculated using two datasets showed improvement in overall quality,...
Sedimentation in hydroelectric reservoirs is strongly impacted by anthropogenic activities within their upstream drainage basins. These activities, encompassing soil erosion and various other human-induced actions, have significant consequences for sedimentation patterns. This issue has been a subject of prolonged study, as directly undermines the water storage capacity reservoirs, consequently diminishing overall efficiency operations. Several scientists dedicated efforts to addressing...
Diatoms are very diverse and highly productive organisms, found in a wide variety of environments. This study aims to analyze the growth lipid composition Phaeodactylum tricornutum, cultured an outdoor pilot-scale bubble column photobioreactor under natural conditions Chile for biodiesel production. Results showed that P. tricornutum cultures reached their highest biomass concentration (0.96 ± 0.04 kg m−3) after 14 days culturing, at stationary phase, with volumetric productivity 0.13 m−3...
This study aimed to quantify nitrous oxide (N2O) and methane (CH4) emission/sink response from sugar cane soil treated with fertilizer nitrogen (N) vinasse applied separately or in sequence, the latter being investigated regard time interval between applications for a possible effect on emissions. The was carried out traditional area of unburned São Paulo state, Brazil. Two levels N fertilization (0 100 kg ha(-1)) no added combined additions at different times (100 m(-3) ha(-1) 3 15 days...
Microalgae are eukaryotic or prokaryotic organisms, with high photosynthetic efficiency for biomass production. The constituent elements of microalgae can be extracted and used as raw material the production various products, such biodiesel, which main components fatty acid methyl esters (FAMEs). This study aimed to analyze lipids composition Phaeodactylum tricornutum cultured at outdoor photobiorreactor. P. samples showed 24.39% C16-C18 acids, 26.52% saturated acids (SFAs), 21.91%...
Abstract Methane (CH 4 ) and carbon dioxide (CO 2 emissions from Brazilian reservoirs were assessed. Point measurements made during 1998 1999 (using inverted funnels for bubbles air water concentration gradients diffusion) in the 559 km Samuel reservoir, which was initially flooded 1988, 2430 Tucuruí 1984, data evaluated with respect to historical other reservoirs. Bubble of CH higher (ranging 70 mgCH m −2 day −1 than 0·5 30 ), highest values occurring shallowest regions each reservoir....
Abstract In Brazil, given its privileged hydrology, the unexplored economic use of water resources has many dimensions, such as hydroelectric power. This energy will face increasingly rigorous social and environmental impact assessments (40% potential is located in Amazon region). Hydropower inventory studies conducted over decades, with solutions ecological river flows, that flood smaller areas reduce natural flows modifications, are being reviewed. The extension from dam to point where...
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The urban advances of the last decades have enabled expansion electric sector globally, hence increasing waste generated by such activities. Global Reporting Initiative (GRI) standards been adopted worldwide electricity and corroborate for sustainable planning these companies. However, a gap in studies that specifically address management strategies sustainability reports this can be highlighted. Therefore, present study aimed at identifying analyzing quantities, typologies, disposal options...
In Brazil, the technical-scientific and informational knowledge records abundance of winds high commercial viability its use has usually occurred in spaces socially characterized by poverty. state Rio Grande do Norte, Mato territory concentrates 3758 MW installed capacity 114 wind farms. opposition to this economic technological development, 5191 families settled 73 rural settlements live poverty, living with restrictions on land exploitation caused water stress without enjoying benefits...
RESUMO O Enquadramento dos Corpos Hídricos em Classes de Usos Preponderantes, acordo com a Resolução Conama nº 357/2005, possibilita o estabelecimento metas serem alcançadas, ou mantidas, um segmento corpo d'água seus usos preponderantes. Sua proposição é responsabilidade Comitês Bacia Hidrográfica, na Região Serrana do estado Rio Janeiro; Comitê Piabanha definiu como prioridade Piabanha. Nesse sentido, objetivo deste artigo foi comparar que medida comporta-se processo reabilitação da saúde...
At the worldwide level, hydroelectricity corresponds to 54% of all renewable electricity, 15% total electricity generated and only 3% primary energy. In Brazil, hydropower produces 74% 57% electrical energy 11% (EPE, 2023). As over world, construction operation large artificial reservoirs until mid-twentieth century was seen in Brazil by government general public as important infrastructure investment for economic development improvement well-being. Nowdays, investments plants are re-gaining...