Evaluación de precisión en modelos de elevación digital de dominio público (ASTER y ASF ALOS PALSAR), levantamiento de relieve por dron y topografía de precisión generada con RTK en la Universidad Politécnica Salesiana Sede Cuenca

Abstract

Public domain Digital Elevation Models (DEMs) play an important role in scientific applications, engineering and industrial design. However, their accuracy is often ambiguous, which is of concern to the community that uses them. This study evaluates the accuracy of three open access DEMs (ASTER, ASF ALOS PALSAR, SIGTIERRAS) at the Universidad Politécnica Salesiana Sede Cuenca and compares their results with a DEM generated by drones using high accuracy GNSS RTK positioning.