Mapas de peligro por inundación del río Chibunga en el tramo de influencia al parque lineal ubicado en la ciudad de Riobamba: modelo digital del terreno del tramo del río chibunga en estudio y mapas de peligro por inundación.

Abstract

In this component, the digital terrain model of the Chibunga River and the flood hazard maps were made, a field visit was made to plan the topographic survey. For the digital terrain model, the Real Time Kinematic system was used, which is composed of a base receiver and a mobile receiver, the points are taken in the field with the Rover, and the coordinates are corrected through the Fixed Base connects with the available satellites to update uncertainties the Real Time Kinematics equipment is beneficial to speed up the execution of works with respect to other systems such as a total station. The topographic survey was carried out on the left and right sides of the river, points were taken on the banks of the river, at the bottom of the river, and in the water mirror, points were also taken on private land, infrastructure such as bridges, schools, houses, etc., which are located in the study area. In the office work, all the information from the Real Time Kinematic equipment was processed in CVS format separated by commas, the height surface was created in Civil 3D, which represents the digital model of the DEM terrain, then it is exported to ArcMap to obtain pixelated data. and be able to perform operations through map algebra. The digital terrain model was exported to two-dimensional modeling in Iber, the result is the depth and speed maps, the product of the depth by the speed was made to obtain the flood danger maps in the return periods 10, 50, and 100 years.