Results 51 to 60 of about 56,871 (167)

Small Seismic Sources to Improve Survey Efficiency at Reduced Environmental Impact: Case Study From the Brazilian Pre‐Salt

open access: yesGeophysical Prospecting, Volume 73, Issue 9, November 2025.
ABSTRACT In Brazil, concerns about marine life have resulted in strong restrictions on seismic operations, with a minimum distance of 60 km between source vessels and an exclusion zone of 1000 m for marine mammals. These restrictions impact survey efficiency, duration, logistics and cost. Optimized and physically smaller seismic sources may reduce cost
Felipe Capuzzo   +4 more
wiley   +1 more source

Utilização de modelos de simulação hidráulica em planos de vigilância e de controlo da qualidade da água para consumo humano [PDF]

open access: yes, 2008
Neste trabalho descreve-se a incorporação dum modelo de simulação hidráulica nos planos de vigilância e de controlo da qualidade da água para consumo humano.
Salgado, Sofia M. P. Bragança   +1 more
core  

Quantifying Experimental Impacts on Non‐Newtonian Foam Characterization for Flow Modeling in Porous Media: Insights From Foam‐Quality and Flow Rate Scan Experiments

open access: yesWater Resources Research, Volume 61, Issue 9, September 2025.
Abstract Foam injection is a prominent technique for mitigating the effects of high gas mobility in porous media for Enhanced Oil Recovery, Carbon Capture, Utilization and Storage and well‐stimulation. Experiments reveal that the foam's apparent viscosity exhibits shear‐thinning behavior, meaning its viscosity decreases with superficial velocity.
Anderson de Moura Ribeiro   +6 more
wiley   +1 more source

A longitudinal study of Angiostrongylus cantonensis in an urban population of Rattus norvegicus in Brazil: the influences of seasonality and host features on the pattern of infection

open access: yesParasites & Vectors, 2014
Background The nematode Angiostrongylus cantonensis is a zoonotic parasite and the most important cause of eosinophilic meningitis worldwide in humans. In Brazil, this disease has been reported in the states of Espírito Santo and Pernambuco. The parasite
Raquel O Simões   +5 more
doaj   +1 more source

Climatologia de frentes frias sobre a Região Metropolitana de São Paulo (RMSP), e sua influência na limnologia dos reservatórios de abastecimento de água Climatology of cold fronts over the Metropolitan Region of São Paulo (MRSP) and their influence in the limnology of water supply reservoirs

open access: yesRevista Brasileira de Meteorologia, 2010
Este trabalho apresenta uma análise da climatologia de frentes frias e do regime de ventos induzido por esses fenômenos sobre a Região Metropolitana de São Paulo (RMSP), no período de 21 anos (1987 a 2007).
Marcos Antônio de Morais   +2 more
doaj   +1 more source

Procedimento para análise da viabilidade de implantação de sistemas de aproveitamento de águas pluviais em centros urbanos por meio de diagramas de pré-dimensionamento [PDF]

open access: yes, 2017
Em situações específicas de regime de precipitação e de parâmetros técnicos de concepção, os Sistemas de Aproveitamento de Águas Pluviais (SAAP) urbanos podem representar fonte alternativa complementar à água potável fornecida pelas companhias de ...
Alves, Conceição de Maria Albuquerque   +1 more
core   +1 more source

Antagonistic Rewiring and Turnover Patterns in a Neotropical Fish–Parasite Metanetwork

open access: yesFreshwater Biology, Volume 70, Issue 7, July 2025.
ABSTRACT Integrating beta‐diversity and network analyses is an emerging approach for understanding the spatial structure of species communities. For instance, although the presence of hosts affects parasite species distribution, environmental factors can either restrict or promote the occurrence of certain parasite species by changing the abundance of ...
Ana Paula Lula Costa   +2 more
wiley   +1 more source

Toxicidade a cianobactérias: impacte potencial na saúde pública em populações de Portugal e Brasil [PDF]

open access: yes, 2011
Como recurso natural fundamental à vida, a água e os ecossistemas aquáticos devem ser alvo de avaliação contínua, no que se reporta à sua qualidade física, química e biológica.
Bellém, Fernando   +2 more
core  

Predicting Landscape Conversion Impact on Small Mammal Occurrence and the Transmission of Parasites in the Atlantic Forest

open access: yesGlobal Ecology and Biogeography, Volume 33, Issue 12, December 2024.
ABSTRACT Aim Changes in landscape configuration significantly impact ecosystems and the services they provide, including disease regulation for both humans and wildlife. Land use conversion usually favors disturbed‐adapted species, which are often known reservoirs of zoonotic parasites, thereby potentially escalating spillover events (i.e., the ...
Ana Paula L. Costa   +8 more
wiley   +1 more source

Avaliação do potencial de espécies arbóreas como hopedeiras de begomovírus e tospovírus. [PDF]

open access: yes, 2015
O objetivo deste trabalho foi investigar o papel de 14 espécies arbóreas e arbustivas (sendo 11 delas nativas do Bioma Cerrado) como potenciais reservatórios de vírus em condições naturais ...
BATISTA, J. G.   +4 more
core  

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