Results 21 to 30 of about 272,852 (112)

Mechanical Erosion in a Tropical River Basin in Southeastern Brazil: Chemical Characteristics and Annual Fluvial Transport Mechanisms

open access: yesJournal of Geological Research, Volume 2012, Issue 1, 2012., 2012
This study aims to evaluate the mechanical erosion processes that occur in a tropical river basin, located in the São Paulo state, southeastern Brazil, through the chemical characterization of fine suspended sediments and the transport mechanisms near the river mouth, from March 2009 to September 2010.
Alexandre Martins Fernandes   +4 more
wiley   +1 more source

Energías renovables y desarrollo local en Extremadura

open access: yesEstudios Geográficos, 2022
Extremadura produce en la actualidad cuatro veces más energía de la que consume. A pesar de ello, la Administración Regional proyecta multiplicar por 2,7 la potencia instalada de generación renovable, especialmente de tipo solar fotovoltaico.
Antonio Pérez Díaz   +1 more
doaj   +1 more source

Assessment of potential water availability in the Ebro basin under future climate scenarios

open access: yesRibagua
This study assesses the potential water availability in the Ebro River Basin under various climate change scenarios, integrating global hydrological models from the ISIMIP3b project with a GIS environment and the WAAPA water allocation model.
Isabel Granados   +4 more
doaj   +1 more source

Resistência hidráulica da crosta formada em solos submetidos a chuvas simuladas Crust hydraulic resistance in soils under simulated rain

open access: yesRevista Brasileira de Ciência do Solo, 2006
Para avaliar a redução da taxa de infiltração em solos sujeitos ao encrostamento decorrente da aplicação de chuvas simuladas, foi realizado um experimento em esquema fatorial 5 x 6, sendo cinco solos (Argissolo Vermelho, Argissolo Vermelho-Amarelo ...
Viviane dos Santos Brandão   +6 more
doaj   +1 more source

Enfoque hacia el uso de energías alternativas en establecimientos de atención médica

open access: yesRevista Digital de Postgrado, 2023
Introducción: El tema del cambio climático y sus efectos, en la salud, educación y transporte, es un tema emergente, que pretende la optimización del consumo y la eficiencia energética.
Dubraska Rodríguez   +1 more
doaj   +1 more source

Energía hidráulica [PDF]

open access: yes
El texto que se presenta nace en el ámbito de la docencia universitaria, de modo que pretende ser una colección de apuntes para el trabajo del alumnado, con forma de libro de texto.
Zamora Parra, Blas
core   +1 more source

High-resolution estimates of water availability for the Iberian Peninsula under climate scenarios

open access: yesApplied Water Science
Water availability is of paramount importance for sustainable development and environmental planning, specifically in regions such as the Iberian Peninsula, renowned for diverse landscapes and varying climatic conditions.
Bolivar Paredes-Beltran   +3 more
doaj   +1 more source

Da Concessão Reid ao Fim de São João Marcos (1899-1945)

open access: yesFloresta e Ambiente, 2023
RESUMO Com a construção do reservatório de Lajes, a Rio Light, hoje LIGHT S.A., deu início à construção de um Complexo Hidrelétrico para atender à crescente demanda da região metropolitana do Rio de Janeiro por energia elétrica.
Eduardo Oliveira Estiliano   +1 more
doaj   +1 more source

Boosted Photocatalytic Activity of Zn/Al‐Based Layered Double Hydroxides Through Cobalt Incorporation for Phenol Degradation

open access: yesChemistrySelect, Volume 9, Issue 14, April 12, 2024.
Zn/Al and Zn/Al−Co(0.3) hydrotalcites were synthesized via the co‐precipitation method. After the calcination process, both materials exhibited photocatalytic activity in phenol degradation. However, the incorporation of cobalt promotes the formation of surface defects such as oxygen vacancies, favoring the adsorption of oxygen species and enhancing ...
Nora S. Portillo‐Vélez   +5 more
wiley   +1 more source

Performance of low impact development on peak flow reduction in an urban system

open access: yesJAWRA Journal of the American Water Resources Association, Volume 60, Issue 2, Page 427-441, April 2024.
Abstract This study proposes an approach to evaluate the efficiency of low impact development (LID) in reducing urban runoff using a rainfall generator to disaggregate daily rainfall into sub‐hourly rainfall data, which are used as input of a hydrological model at the urban watershed scale.
M. Pampaloni   +8 more
wiley   +1 more source

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