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Áreas prioritarias mediante escenarios de deforestación y servicios ambientales en la Sierra Norte de Puebla. 32
Chávez González, Honoria.
La identificación de áreas prioritarias es una herramienta valiosa que permite orientar y optimizar los esfuerzos de estudio, conservación y aprovechamiento sustentable de recursos forestales. La presente investigación integró una metodología, mediante la combinación de diferentes técnicas cuantitativas en un ambiente de sistemas de información geográfica y sensores remotos, para la identificación de áreas prioritarias de recarga hídrica en la Unidad de Manejo Forestal Zacatlán, Puebla. El estudio se constituyó de tres componentes de investigación: (1) Análisis retrospectivo (1986-2010), actual y perspectivo (2010-2030) de cambios de uso de la tierra y riesgo de deforestación; (2) Identificación de áreas con aptitud para proveer servicios ambientales...
Palavras-chave: Cambio de uso de la tierra; Riesgo de deforestación; Recarga de acuíferos; Evaluación multicriterio; Regresión logística; Land use change; Deforestation risk; Aquifer recharge; Multicriteria evaluation; Logistic regression; Forestal; Maestría.
Ano: 2014 URL: http://hdl.handle.net/10521/2248
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Assessing the economic viability of alternative water resources in water scarce regions: The roles of economic valuation, cost–benefit analysis and discounting 31
Birol, Ekin; Koundouri, Phoebe; Kountouris, Yiannis.
This paper demonstrates a comprehensive methodology to assess the viability of an environmental management plan which has long-run economic and ecological impacts. The case study under consideration is the implementation of a water resource management plan in a water scarce region of the world, namely Cyprus. Specifically this plan proposes to replenish a depleting aquifer with treated wastewater. The methodology proposed first identifies the key stakeholder groups, namely farmers and the general public, who are hypothesized to derive economic values (benefits) from the implementation of this plan, and then implements stated preference methods to capture the total economic value of these benefits. Benefits are aggregated over the relevant populations of...
Tipo: Conference Paper or Presentation Palavras-chave: Aquifer recharge; Treated Wastewater; Total Economic Value; Choice Experiment; Long-run Cost Benefit Analysis; Declining Discounting; Environmental Economics and Policy; Resource /Energy Economics and Policy.
Ano: 2009 URL: http://purl.umn.edu/51692
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Groundwater resources in Brazil: a review of possible impacts caused by climate change 42
Hirata,Ricardo; Conicelli,Bruno P..
Groundwater has a strategic role in times of climate change mainly because aquifers can provide water for long periods, even during very long and severe drought. The reduction and/or changes on the precipitation pattern can diminish the recharge mainly in unconfined aquifer, causing available groundwater restriction. The expected impact of long-term climate changes on the Brazilian aquifers for 2050 will lead to a severe reduction in 70% of recharge in the Northeast region aquifers (comparing to 2010 values), varying from 30% to 70% in the North region. Data referring to the South and Southeast regions are more favorable, with an increase in the relative recharge values from 30% to 100%. Another expected impact is the increase in demand and the decrease in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Drought; Groundwater; Aquifer recharge; Integrated use of water; Water resources management.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652012000200006
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Hydrographic and hydrogeological basin of Entre-Ribeiros: probable recharge zone delimitation and environmental impact assessment 70
Vasconcelos,Vitor V.; Martins Junior,Paulo P.; Hadad,Renato M..
The probable recharge zone delimitation of Entre-Ribeiros Basin (Northwest of the state of Minas Gerais / Brazil) is proposed in this study. The delimitation is based upon stratigraphy, geomorphology, geo-environmental domains and hydrogeology studies. Combining the recharge zone map with the land use variation between 1975 and 2008, the occupation trends of possible recharge zones are identified. Concluding, the environmental impacts for this basin are discussed.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hydrogeology; Aquifer recharge; Land use zoning; Environment; Soil compaction.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162012000300015
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