Examinando por Materia "Cañón del río Nus"

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    Cartografía gemorfológica, caracterización y comparación entre los ambientes kársticos de los cañones del río Alicante y del río Nus
    (Universidad EAFIT, 2019) Monroy Suárez, Jorge Eduardo; Rodríguez Molano, Karoline Yesenia; Gamboa Ramírez, Marco Fidel
    The objective of geomorphological mapping is to identify, delimit and describe the relief shapes associated in this document with the karst environment. This information is the main tool for environmental, geomorphological and natural resource studies. The information obtained serves as the basis for specific cases of both relief evolution and detailed geological research, as well as knowledge of erosive processes, land use suitability and territorial organization planning. This document presents the geomorphological mapping at 1:10.000 scale and the characterization of the main endokarstic elements of the karst landscapes of the Alicante river and the Nus river canyons, which are within the municipalities of Maceo and Caracolí respectively. The methodology used in this work is based on the methodological proposals of the ITC and the SGC, for this purpose the following activities were carried out: search for bibliographic information, photointerpretation, analysis of morphometry from base mapping and land recognition, analysis, processing and integration of information and results. In the areas of study, three morphogenetic environments responsible for modeling the mapping geoforms were identified, the first of which is the karst denudative exogenous, where the effects of chemical weathering and erosion processes predominate on surface; the second is the denudative flow-karstic, related to the dynamics of rivers and their processes of erosion in soluble rocks; and the third is the karst structural exogenous, where the morphological characteristics of the terrain are related to terrestrial endogenous processes. For the Alicante river Canyon, three units were identified for the fluvio-karstic denudative exogenous environment, one for the karst structural exogenous environment and eight for the karst denudative exogenous environment, with a total of twelve geomorphological units and for the Nus river Canyon, a unit for the fluvio-karstic denudative exogenous environment, one for the karst structural exogenous environment and eight for the karst denudative exogenous environment, with a total of ten geomorphological units. The different geomorphological units identified are described in detail below, as well as the endokarstic elements characterized in the caverns studied, also a geomorphological evolution is proposed, and a comparison is made between these landscapes where their differences and similarities are revealed both endokarstic and exokarstic.