Comparación de enfoques metodológicos para la estimación de la geodiversidad. Caso de estudio : Cuenca del río Churimo, San Rafel, Antioquia

Abstract

Geodiversity is a general term to define the geological diversity of a territory and is understood as the variety of geological features present in a place that are identified considering their frequency, distribution and the geological evolution they illustrate. Different methodologies have been identified for its estimation, where for the purposes of this work, the general objective is to compare and characterize two methodologies used in the Regional Geology and Geoconservation Workshop of EAFIT to make a contribution to the selection of a methodology with less subjectivity and uncertainty. The comparison is made between the Valentin Method (2021) and the Valentin Method (2021) modified with morphometric indices of Argyriu et al., (2016). The study area corresponds to the Churimo River Basin, in San Rafael, Antioquia, where from an analysis of variance between the normalized surfaces obtained from both methods, the most important areas associated with the evolution of the granitic landscape of eastern Antioquia were identified considering validation points collected in the field. As the most relevant result, a categorization proposal is obtained based on statistical normalization, where the zones with the highest geodiversity are associated with points of high tourist interest around the Churimo River and its main tributaries. Finally, the limitations of each of the methodologies are highlighted to continue promoting the knowledge of geodiversity, and the optimal processing of the information that allows an increasingly accurate approximation with the real expression within a territory.