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The Large Technological System (LTS) is a central concept in the epistemologies of Action-Network Theories (ant), related with poststructuralist epistemologies, and an important tool for the analysis of territorial systems. In this paper, we will use the lts concept to examine the hydrologic system of the Metropolitan Area of Bogotá, making emphasis on three aspects: the natural structure, the technological complex, and the normative framework. The goal was to explore the metropolitan geopolitics of water use in La Sabana de Bogotá and the particularities in the water governance, highlighting the incidence of municipalism and the interaction of a wide group of private, governmental, and civic actors. It was examined the physical infrastructure provided by the Empresa de Acueducto y Alcantarillado de Bogotá (eab-esp) that works as a quasi-monopoly actor in water management as well as their interaction with the highly autonomous municipalities. Other actors such as the real estate, floriculture, mining, and dairy activities was included in the analysis. The report gives special attention to the highly complex relationships between them and how they work in a complex and multiscale normative framework. The text concludes emphasizing the different challenges of water governance in a context of rapid metropolisation, complexing economic relations and climate and environmental change. [ABSTRACT FROM AUTHOR]

Public green spaces (PGS) on the shores of the Limay River in Neuquen Metropolitan Area (AMN, for its acronym in Spanish) can represent tools for water management. For the design of such instruments, it is important to know the local dynamics of hydrometeorological threats. The aim of this paper is to analyze, from a historical perspective based on the digital written press, the occurrence of events related to hydrometeorological threats in the AMN and, most precisely, around the PGS located on the coast of the Limay River for the period 1999-2020. 131 journalistic articles were surveyed and the information collected was validated through hydrometeorological databases. The methodology classifies events according to origin and nature, as well as characterizing them according to their physical characteristics; consequent damages in urban, periurban and rural areas; actors from different jurisdictions and adopted actions. Before and during the events soft measures prevailed while hard measures prevailed after them. Specifically, the consequences in EVP result in hindrances for its exploitation by users. Historical records provide initial, useful and comprehensive information for the analysis of the incidence of water processes in cities. [ABSTRACT FROM AUTHOR]