Diagnóstico del funcionamiento hidráulico del sistema de riego Porlón - El Socorro - Reservorio 67 y propuestas para su adecuada operación: levantamiento topográfico de la red de riego Porlón - El Socorro - Reservorio 67.

Abstract

Pórlon - El Socorro- Reservorio 67 irrigation system is located on Cubijíes, Riobamba, Chimborazo province. This system supplies water for irrigation to 35 ha. The most important structure of the system is a forebay where start the distribution of the flow to different areas through a branched network with 22 outlet nodes where there are gate valves. Due to the decrease and imbalance in the amount of water supplied and the lack of technical information on the network, the importance of carrying out the topographical survey of the irrigation network arises. Due to the great extension of the irrigation network and topographical characteristics of the area, GNSS receivers were used to get the topography of the main irrigation network, compiling both planimetric and altimetric characteristics. Together with existing information provided by the members of irrigation board, the georeferencing activities of the topographical survey and search for the closest permanent station were started to link and plant the base station and then trough a radio link between the base station and the mobile receiver in RTK mode to proceed with the collection of field data of the layout of the main irrigation network, identifying the geometric characteristics of the conduits, lengths, heights and take up the geometry of the most relevant hydraulic structures using traditional topography tools, together with the guidance of members of the irrigation board and residents of community. Finally, through the processing of data network obtained in the field, the collected data was digitized, and the plan and profile plans of the main irrigation network were drawn using AutoCAD Civil 3D software together with geometry of the main hydraulic structures.