The páramos biome of the northern Andes is a collection of high-mountain tropical grassland wetland ecosystems that provides important ecosystem services including hydrological buffering and water supply. Human activities in these ecosystems transform vegetation cover and soil hy...
Autor(es): Sebastian Elias Patiño. Isabel Cristina Dominguez. Edgar Ricardo Oviedo. Martha Constanza Daza Torrez. Wouter Buytaert. Boris Ochoa Tocachi.
Rainwater harvesting (RWH) tank sizing can be an onerous task due to the range of available methods. This paper presents a simple, yet robust, end-user and design criteria-focused decision support tool, based on a comparison of 12 well established methods across four types (sim...
Autor(es): Arley David Celis. Isabel Cristina Dominguez. Edgar Ricardo Oviedo. Sarah Ward.
Rural water supply systems (RWSS) in developing countries typically have deficiencies that threaten their sustainability. This research used Multi-Criteria Analysis and the Analytical Hierarchy Process to identify indicators that can be used to assess the sustainability of RWSS. ...
Autor(es): Isabel Cristina Dominguez. Edgar Ricardo Oviedo. Karen Melissa Hurtado. Andres Gabriel Baron. Ralph P. Hall.
Green waste (GW) is an important fraction of municipal solid waste (MSW). The composting of lignocellulosic GW is challenging due to its low decomposition rate. Recently, an increasing number of studies that include strategies to optimize GW composting appeared in the literat...
Autor(es): Marcela Reyes. Edgar Ricardo Oviedo. Isabel Cristina Dominguez. Dimitri?s P. Komilis. Antonio Sanchez Ferrer.
Water availability pressures, competing end-uses and sewers at capacity are all drivers for change in urban water management. Rainwater harvesting (RWH) and greywater reuse (GWR) systems constitute alternatives to reduce drinking water usage and in the case of RWH, reduce roof ru...
Autor(es): Edgar Ricardo Oviedo. Isabel Cristina Dominguez. Miryam Lizeth Rivera. Julian Mauricio Zaraza. Sarah Ward.
Rainwater harvesting (RWH) and greywater reuse (GWR) are increasingly being considered at the building-level to achieve multiple goals. Cost-benefit assessments facilitate decision-making; however, most are focused on large-scale systems with limited information available for h...
Autor(es): Isabel Cristina Dominguez. Jose Gabriel Mendoza. Carlos Ivan Rincon. Edgar Ricardo Oviedo. Sarah Ward.
This paper uses a systems thinking approach to analyze the elements that influence biowaste composting implementation. The review of local, national, and international experiences as well as the knowledge gained by the monitoring of the operation of five biowaste composting facil...
Autor(es): Edgar Ricardo Oviedo. Isabel Cristina Dominguez. Patricia Torres Lozada. Luis Fernando Marmolejo Rebellon. Dimitrius Komilis. Antoni Sanchez.
Stability and maturity are important criteria to guarantee the quality of a compost that is applied to agriculture or used as amendment in degraded soils. Although different techniques exist to evaluate stability and maturity, the application of laboratory tests in municipalities...
Autor(es): Edgar Ricardo Oviedo. Patricia Torres Lozada. Luis Fernando Marmolejo Rebellón. L.V. Hoyos. S. Gonzales. Raquel Barrena. Dimitri?s P. Komilis. Antoni Sanchez.