Resilience Of The Road Drainage System On The Lodana – Santa Ana Section In The Face Of Climate Change

Abstract

The objective of this study was to analyze the resilience of the drainage system of the Portoviejo-Santa Ana highway, specifically in the Lodana-Santa Ana section, in the face of the effects derived from climate change. The research was developed through a methodology that integrated field inspections, review of secondary information and hydrological analysis, applying the rational method and the Soil Conservation Service (SCS) method for estimating stream flows. Variables such as precipitation, vegetation cover, soil characteristics and hydraulic capacity of existing drainage structures will be evaluated. The results showed that sewers, ditches and canals are obstructed by sediments and vegetation, which reduces their hydraulic efficiency in the event of extreme precipitation events. Likewise, the estimated flows for certain return periods exceed the capacity of some structures. It is concluded that the drainage system presents limitations in the face of intense hydrometeorological events, so it is recommended to strengthen maintenance activities and consider adaptation criteria to climate change in the planning and management of road infrastructure.