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Delft University of Technology (2009)

Barriers for water About the decision-making process regarding locations for new small dams in the Preto River Basin in the Federal District, Brazil

Linsen Max

Titre : Barriers for water About the decision-making process regarding locations for new small dams in the Preto River Basin in the Federal District, Brazil

Auteur : Linsen Max

Université de soutenance : Delft University of Technology

Grade : Master 2009

Résumé partiel
Water scarcity during dry seasons is a common phenomenon in semi-arid areas with a bi-seasonal (dryrainy) climate due to increases in agricultural activities. Small dams are hydraulic structures constructed to retain water during the rainy season in order to make it available during the dry season, herewith contributing to an equalized water distribution throughout the year and diminishing water scarcity during the dry season. The Preto River Basin (PRB) in the Federal District (DF) in Brazil is an example of a region characterized by a semi-arid bi-seasonal climate using small dams to cope with water scarcity during the dry season. Until today, the focus of research regarding small dams has been on existing small dam ensembles. This research revealed interactions between water use, policy, physical system behaviour and institutional frameworks. In the PRB new small dams are planned to be constructed. An important aspect of planning new small dams is the location choice for these dams. The process leading new small dams in the PRB in DF has been characterized by uncertainty concerning responsibility, lack of information and therefore conflicts and resistance regarding those dams, until it collapsed in 2006. This can be perceived as being problematic, since water scarcity is an increasingly urgent issue and small dams form a favourable and relatively uncomplicated way of coping with this scarcity during the dry season. This research focuses on the policy process leading to a location choice for new small dams based on specific requirements imposed by the interplay between environmental/physical characteristics, stakeholders and the institutional framework of the PRB in DF. It does so by formulating a Programme of Requirements (PoR) for locations for new small dams that comprises those three aspects. The research question posed is : What are the minimal requirements for locations for n ew small dams and in what way can these requirements coherently contribute to t he process leading to a location choice for new small dams in the Preto River Basin in the Feder al District, Brazil ? Regarding the interplay between institutions, stakeholders and the physical system, concepts such as trust, accountability and good governance play an important role. Trust leads to compliance and good governance contributes to mutual trust between stakeholders involved. Accountability refers to public responsibility in the decision-making process.

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Page publiée le 13 décembre 2011, mise à jour le 16 octobre 2018