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The report "RÍOS DEL PÁRAMO AL VALLE, POR URBES Y CAMPIÑAS" documents a project implemented between 2012 and 2015 by the Stockholm Environment Institute (SEI) with USAID support. The project aimed to strengthen the capacity of Colombian regional environmental authorities (CAR) to integrate climate change adaptation into water resource planning using the Robust Decision Support (ADR) methodology and the Water Evaluation and Planning (WEAP) system. The work focused on several key basins, including the Otún, La Vieja, and Alto Magdalena rivers, as well as the broader Magdalena-Cauca macro-basin, demonstrating how technical modeling and participatory processes can reduce climate vulnerability and inform national policy.

This fact sheet describes the implementation of the Water Evaluation and Planning (WEAP) model, integrated with QUAL2K, to study water quality in the La Vieja river basin in Colombia. The study identifies primary pollutant sources, analyzes climate and demographic uncertainties, and simulates water quality scenarios to support decision-making and adaptation to climate change.

This fact sheet describes the hydrological modeling of the La Vieja river basin in Colombia using the Water Evaluation and Planning (WEAP) tool. The project, funded by USAID and running from July 2012 to June 2015, aimed to strengthen societal adaptation to climate change in the management of water resources in the Otún and La Vieja river basins.