Towards the Joint-Management of Transboundary Groundwaters : Hydrogeology and the Guaraní Aquifer System

(SHORT VERSION) This article explores the role of hydrogeology in the emergence of management policies for the Guaraní Aquifer system, a vast transboundary groundwater reservoir shared by Argentina, Brazil, Paraguay, and Uruguay. It finds that the emergence of knowledge about the resources, which came concomitant with processes of democratization in the region and the constitution of new knowledge networks, fostered the political process that ultimately led to the implementation of joint management policies for the transboundary groundwaters