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A mathematical model to estimate the volume of grey water of pesticide mixtures. Repositório Alice
PARAIBA, L. C.; PAZIANOTTO, R. A. A.; LUIZ, A. J. B.; MAIA, A. de H. N.; JONSSON, C. M..
Tipo: Separatas Palavras-chave: Mathematical model.; Herbicida; Cana de açúcar; Modelo matemático; Sugarcane; Herbicides; Water footprint; Freshwater..
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/970136
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A mathematical model to estimate the volume of grey water of pesticide mixtures. Repositório Alice
PARAIBA, L. C.; PAZIANOTTO, R. A. A.; LUIZ, A. J. B.; MAIA, A. de H. N.; JONSSON, C. M..
The usual method to calculate grey water footprint does not take into account the volume of water required to dilute concentrations of pesticide mixtures in freshwater and it also depends on maximum concentration limit acceptable in water. We propose a model to estimate the grey water footprint of crops by calculating the volume of water necessary to dilute pesticide mixtures reaching freshwaters. The model requires short-term toxicity data from aquatic organisms based on EC50 values, soil pesticide half-life and soil sorption coefficient values, and does not require maximum concentration limit acceptable in water. The lixiviation rate and runoff rate of each pesticide was estimated by attenuation factor and by Soilfug model, respectively. The usefulness...
Tipo: Separatas Palavras-chave: Pesticide management; Water quality objective; Cana-de-açúcar.; Agrotóxico; Herbicida; Qualidade da água; Modelo matemático.; Herbicides; Environmental impact; Water quality; Water footprint; Sugarcane; Mathematical models.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1000149
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INTEGRATED ENVIRONMENTAL FOOTPRINT INDEX (IEFI): MODEL DEVELOPMENT AND VALIDATION REA
Silva,Vicente De P. R. Da; Aleixo,Danilo De O.; Campos,João H. B. Da C.; Araújo,Lincoln E.; Souza,Enio P..
ABSTRACT: Freshwater is a valuable resource worldwide given the growing demand of the global population. This study aimed to develop and validate an integrated assessment model by means of environmental footprint indices (water, ecological, and carbon), which measure the environmental sustainability of heterogeneous communities, people, and countries. An environmental footprint was firstly defined as a set of indicators to track human pressure on planet Earth under different angles, being a multidimensional index of environmental sustainability. A Delphi survey was used to bring together opinions from a diverse set of experts. The participants of this study consisted of 120 experts from several fields of knowledge belonging to the best-known research and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Water footprint; CO2 emissions; Natural resources.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162017000500918
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Regionalização do índice de estresse hídrico wsi para o Nordeste brasileiro. Repositório Alice
COSTA, M de A..
Prof. Dr. Francisco Casimiro Filho (Orientador) Universidade Federal do Ceará (UFC) Profa. PhD. Maria Cléa Brito de Figueirêdo (Coorientadora) Embrapa Agroindústria Tropical
Tipo: Teses Palavras-chave: Avaliação de Impacto de Ciclo de Vida; WSI; Unidades Hidrográficas Estaduais; Escassez Hídrica; Pegada Hídrica; Water scarcity; State Hydrographic Units; Water footprint; Life cycle impact assessment.
Ano: 2021 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1132845
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Water footprint of biofuels in Brazil: assessing regional differences. Repositório Alice
HERNANDES, T. A. D.; BUFON, V. B.; SEABRA, J. E. A..
The expected expansion of bioenergy in Brazil has raised concerns about the implications for its current comfortable situation of water resources availability. As water availability within the Brazilian territory is uneven, the bioenergy expansion might represent different impacts on the water resources of different regions. This work assessed, at the municipal and state levels, (i) the green and blue water footprint (WF) of the main liquid biofuels produced in Brazil (sugarcane ethanol and biodiesel); (ii) the impacts of full and salvage irrigation strategies on sugarcane WF; and (iii) the water demand for different agricultural land use scenarios. For the states of São Paulo, Minas Gerais, and Goiás, the WF of sugarcane ethanol was evaluated around 71 L...
Tipo: Separatas Palavras-chave: Pegada hídrica; Diversidade regional.; Cana de açúcar; Desenvolvimento sustentavel; Recurso hídrico; Irrigação; Bioenergia; Glycine Max; Saccharum Officinarum.; Sustainable development; Water resources; Irrigation; Bioenergy; Water footprint; Brazil..
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/974645
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