Analysis of the Behavior of Abstractions in Two Urban Micro-Basins of the City of Cuenca (Ecuador), through an Aggregate Model

• DOI: 10.3390/su13063209
• Publication Date: 2021-03-16T02:16:54Z
• Authors: Ricardo Rubio-Ram...; Rubén Jerves-Cobo; Diego Mora-Serrano
• Keywords: Impervious surface; Antecedent moisture

Several cities in developing countries are challenging the permanent process of urbanization. This generates a great disturbance on hydrological response urbanized area during rainfall events, which can cause floods. Among disturbances that basins may suffer, it is found variations rain losses (hydrological abstractions) be estimated by named volumetric runoff coefficient (CVOL) methodology. In present study, this methodology used an attempt to estimate abstraction two nearby basins, with different degrees impermeability, located city Cuenca Ecuador. The data for analysis were collected between April and May 2017. results obtained indicate micro-basin largest impervious presents higher initial losses, rate decrease abstractions, stormwater flows per unit area. addition, abstractions urban micro-basins show sensitivity maximum intensity do not relate antecedent soil moisture. These demonstrate importance having pervious surfaces areas because they lead reduce negative impacts associated increased surfaces.