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| Registros recuperados: 21 | |
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| Lima,Luiz Paulo de; Spletozer,Aline Gonçalves; Jacovine,Laércio Antônio Gonçalves; Carvalho,Antonio Fernandes de. |
| ABSTRACT: Water is an essential input for any agribusiness, used for various purposes such as hygiene procedures, heat exchangers and beverage formulation. Water charging, regulated in Brazil by the National Water Resources Policy (Federal Law 9.433/97), is an important issue for the food industry, since it may change the profile of food production costs. Thus, this article aimed to estimate the price increases in the dairy industry from the use of water charging and evaluate the potential benefit of this collection, comparing it to some planned investments in basins plans. We used a case study of a dairy that produced 1 t/d of mozzarella cheese in the state of Minas Gerais. Results indicated that water charging among the basins with current collection... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dairy; National water resources policy; Production costs; Water pricing; Water resources management. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019001000931 |
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| Welsh, Lisa W.; Department of Environment and Society, Utah State University; lisa03@gmail.com; Endter-Wada, Joanna; Department of Environment and Society, Utah State University; Ecology Center, Utah State University; Department of Watershed Sciences, Utah State University; joanna.endter-wada@usu.edu; Downard, Rebekah; Ecology Center, Utah State University; Department of Watershed Sciences, Utah State University; rdownard8@gmail.com; Kettenring, Karin M.; Ecology Center, Utah State University; Department of Watershed Sciences, Utah State University; karin.kettenring@usu.edu. |
| Tipo: Peer-Reviewed Insight |
Palavras-chave: Adaptive capacity; Drought; Social-ecological systems (SES); Vulnerability; Water resources management; Wetlands. |
| Ano: 2013 |
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| Mattos,Roberto de; Silva,Antônio M. da; Coelho,Gilberto; Mello,Carlos R. de; Rezende,José L. P. de. |
| The Brazilian Law stipulates that water is a limited natural resource doted of economic value, thus it is necessary to develop mechanisms for its adequate management. Actions that encourage the farmers to apply soil conservation practices with the purpose of increase water yield from springs and to promote improvement of its quality, reducing production of sediment transportation, is being encouraged by governments, even with financial compensation for owners. From these assertions, this study aims to quantify the benefits of the conservation actions of the management units and to characterize a Water Yield Indicator (WYI) to support sustainable actions in the watershed of Alto Rio Grande region, in the state of Minas Gerais (MG). To assess the impact of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Land use and occupation; Water resources management; Water producer program. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162012000400009 |
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| Hermans, Leon M.; Delft University of Technology; l.m.hermans@tudelft.nl. |
| A persistent challenge for the development of well-informed and sound environmental policies is to improve the connection between environmental experts, decision makers, and other involved actors. Answers are sought in processes for social learning and adaptive co-management that engage experts, decision makers, and local actors in an interactive way of policy making. The preparation and organization of such interactive processes is usefully supported by actor analysis, which can help to identify the main actors to be involved in environmental policy making, to locate useful local knowledge, to identify potential conflicts, and to assess the feasibility of different policy measures. I explored the promise that actor analysis holds to support environmental... |
| Tipo: Peer-Reviewed Reports |
Palavras-chave: Actor analysis; Environmental policy; Policy analysis; Stakeholder analysis; Water resources management. |
| Ano: 2008 |
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| von Korff, Yorck; Lisode; Cemagref / Irstea UMR G-EAU; yorck.von-korff@lisode.com; Daniell, Katherine A; The Australian National University; Cemagref / Irstea UMR G-EAU; k.a.daniell@gmail.com; Moellenkamp, Sabine; University of Osnabrueck; sabine.moellenkamp@gmx.de; Bots, Pieter; Delft University of Technology; p.w.g.bots@tudelft.nl; Bijlsma, Rianne M; University of Twente; Deltares; r.m.bredenhoff@gmail.com. |
| Many current water planning and management problems are riddled with high levels of complexity, uncertainty, and conflict, so-called “messes” or “wicked problems.” The realization that there is a need to consider a wide variety of values, knowledge, and perspectives in a collaborative decision making process has led to a multitude of new methods and processes being proposed to aid water planning and management, which include participatory forms of modeling, planning, and decision aiding processes. However, despite extensive scientific discussions, scholars have largely been unable to provide satisfactory responses to two pivotal questions: (1) What are the benefits of using participatory approaches?; (2) How exactly... |
| Tipo: Peer-Reviewed article |
Palavras-chave: Adaptive management; Collaborative decision making; Evaluation; Interactive planning; Participatory modeling; Participatory research; Process design; Public participation; Social learning; Stakeholder participation; Water resources management. |
| Ano: 2012 |
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| Billib,Max; Bardowicks,Karin; Arumí,José Luis. |
| The objective of this paper is to review the state of art on integrated water resources management (IWRM) approaches for sustainable irrigation at the basin scale under semi-arid and arid climatic conditions, with main emphasis on Latin America, but including case studies of other semi-arid and arid regions in the world. In Latin America the general concept of IWRM has proved to be hard to implement. Case studies recommend to develop the approach from lower to upper scale and oriented at the end-user. As IWRM is an interdisciplinary approach and used for very different objectives, the main emphasis is given to IWRM approaches for sustainable irrigation and their environmental aspects. The review shows that in Latin America the environmental impact is... |
| Tipo: Journal article |
Palavras-chave: Water resources management; Basin; Sustainability; Irrigation. |
| Ano: 2009 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392009000500007 |
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| Ide,Andre Keiiti; Baptista,Gustavo Macedo de Mello. |
| Abstract: The objective of this work was to evaluate the applicability of time series of the enhanced vegetation index (EVI), from the moderate resolution imaging spectroradiometer (Modis), in the mapping of irrigated areas in the Northeastern region of Brazil. Annual time series from 2006 to 2015 were classified with the iterative self-organizing data analysis technique (Isodata) algorithm, generating a binary map of irrigated and nonirrigated areas for each year. In the Sertão region, the classification showed an average kappa coefficient of 0.66, underestimating the irrigated area by 7.6%, compared with data of the 2006 agricultural census. In regions more humid than the Sertão, such as Agreste and Zona da Mata Nordestina, the methodology showed... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Agricultural and environmental planning; EVI; Remote sensing; Semiarid; Vegetation index; Water resources management. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018000100080 |
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| Krysanova, Valentina; Potsdam Institute for Climate Impact Research; krysanova@pik-potsdam.de; Buiteveld, Hendrik; Center for Water Management; h.buiteveld@riza.rws.minvenw.nl; Haase, Dagmar; UFZ - Helmholtz Centre for Environmental Research; dagmar.haase@ufz.de; Hattermann, Fred F; Potsdam Institute for Climate Impact Research; hattermann@pik-potsdam.de; van Niekerk, Kate; Institute of Natural Resources; VanNiekerk@ukzn.ac.za; Roest, Koen; Alterra - Wageningen University and Research Centre; Koen.Roest@wur.nl. |
| Climatic hazards such as floods and droughts have always been a primary matter of concern for human populations. Severe floods damage settlements, transport networks, and arable land. Although devastating droughts are harmful primarily for agriculture and terrestrial ecosystems, they can also lead to local water supply shortages. Despite significant achievements in science and technology and success stories in environmental management in the 20th century, people still continue to suffer the consequences of climate hazards worldwide. This paper provides an overview of existing practices for coping with floods and droughts, compares strategies in different river basins, and outlines the areas that need improvement. First, the existing protection measures and... |
| Tipo: Peer-Reviewed Reports |
Palavras-chave: Amudarya; Climate change; Climatic hazards; Coping strategy; Drought; Elbe; Flood; Guadiana; Nile; Orange; Rhine; Tisza; Water resources management. |
| Ano: 2008 |
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| Pinheiro,Marcus André Braido; Oliveira,Aline Lílian Marques; Borges Júnior,João Carlos Ferreira; Oliveira,Evandro Chaves de; Carvalho,Luiz Gonsaga de. |
| ABSTRACT In the last decades, the areas of irrigated crops in the state of Minas Gerais have grown considerably, contributing to increase agricultural production in the country. Among the techniques of irrigation management, the determination of the water consumption by the plants is based on the reference evapotranspiration (ET0), the objective of this work was to evaluate and calibrate the Hargreaves-Samani (HS) method and a Proposed Method (MP) against the standard Penman-Monteith-FAO method (PM-FAO) for the state of Minas Gerais. For that, data from 52 conventional meteorological stations of the National Institute of Meteorology (INMET) were used. ET0 was estimated by the methods cited including the Hargreaves-Samani calibrated method (HScal) based on... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Penman-Monteith-FAO; Water resources management; Hargreaves-Samani; Mean Absolute Error.. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542019000100221 |
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| Lopes,Tárcio R.; Zolin,Cornélio A.; Prado,Giuliani do; Paulino,Janaína; Almeida,Frederico T. de. |
| ABSTRACT In a watershed there is space and climate variability within its catchment area, causing changes in water qualitative and quantitative characteristics. Thus, the hydrological data collected from a specific basin may be extrapolated to neighboring basins with similar physical characteristics, using techniques of hydrological regionalization. This study developed the flow regionalization in the Teles Pires Basin, using historic series and probabilistic models to verify the data adherence through the regression equations adjustment according to the hydrologically homogeneous regions. The linear and power regression models were tested, employing physical and climatic characteristics and then the best adjustments were selected based on coefficients of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Hydrological regionalization; Natural flow; Water resources management. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162017000100054 |
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| Goes Filho,Adbeel. |
| This paper presents the practical application of concepts, and some methods of risk analysis, to check the possibility of overcoming a water level of project in the spillway of dam Orós, by excess of influent flow. Also evaluated the empirical formulas contained in the original design. Due to the difficulty of obtaining design data from the dam, since the end of construction date of January, 11, 1961, we minimize the effects of some variables in the calculations, leading us to the consequent simplification of the scenario under study. For a better evaluation and characterization of the setting, some variables in the model such as water level, accumulation and flow of the spillway, had updated their data to June 28, 2011. We have demonstrated the importance... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Risk analysis; Public dams; Reservoirs; Water resources management. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000100405 |
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| Silva,Rogério T. da; Sánchez-Román,Rodrigo M.; Teixeira,Marconi B.; Franzotti,Celso L.; Folegatti,Marcos V.. |
| It is presented a software developed with Delphi programming language to compute the reservoir's annual regulated active storage, based on the sequent-peak algorithm. Mathematical models used for that purpose generally require extended hydrological series. Usually, the analysis of those series is performed with spreadsheets or graphical representations. Based on that, it was developed a software for calculation of reservoir active capacity. An example calculation is shown by 30-years (from 1977 to 2009) monthly mean flow historical data, from Corrente River, located at São Francisco River Basin, Brazil. As an additional tool, an interface was developed to manage water resources, helping to manipulate data and to point out information that it would be of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Irrigation planning; Seasonal water demand; Water resources management; Watershed management. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162013000300007 |
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| Araujo,Fernanda C.; Mello,Eloy L. de; Gollin,Gisele M.; Quadros,Luciana E. de; Gomes,Benedito M.. |
| ABSTRACT The objective of this study was to regionalize 7-day 10-year low flows, long-term annual mean, and 90% and 95% permanence flows from Piquiri (PR) river basin. The following regionalization methods were adopted: Traditional, Linear interpolation, Chaves, Modified linear interpolation, and Modified Chaves. The equations obtained by the Traditional method, adding main river length or drainage density as independent variables, significantly improved R2 equations value. Streamflow forecasting by Linear Interpolation and Chaves methods were as good as those provided by the Traditional Method, thus, these methods could be applied to Piquiri River basin, especially when drainage area is the only available spatial information. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Water availability; Water resources management; Average streamflow; Low flows; Flows permanence. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162018000100022 |
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| Registros recuperados: 21 | |
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