Abstract (en):
The Corine Land Cover methodology, is a french methodology adapted by the Agustin Codazzi Geography Institute (Igac) and the Hidrology, Meteorology and Enviromental Studies (Ideam) for Colombia and it is the assessment of land cover using Landsat satelite images. In this research, the space-temporary assessment of the watershed coverage of the Mecha creek in the Chicamocha river basin was done using Landsat 8 images, between 2014 and 2015, wich were orthorectified, combined using Erdas Software. These were also cut according to the spectral signatures of the selected bands in the ArcGis 10.0 program, and adjusted with images of Google Earth Pro and configured with the use of the National legend coverages at 1:100.000 proposed by
Ideam. It was also observed that the páramo vegetation is highly fragmented, with a tendency to completely disappear, because of increasing agricultural areas and mining operations; significantly deteriorating the wáter capacity of the creek that supplies the aqueduct of the Municipality of Oicatá. It is concluded that this methodology becomes a hifhly reliable tool for determining spatio-temporal coverage changes in order to be the basis for the decisión-making related coverage in order to protection and conservation.
Abstract (es):
La metodología Corine Land Cover, es una metodología francesa adaptada por el Instituto Geográfico Agustín Codazzi (IGAC) y el Instituto de Hidrología, Meteorología y Estudios Ambientales (Ideam) para Colombia; consiste en la evaluación de coberturas de la tierra mediante el uso de imágenes satelitales tipo Landsat. En esta investigación, se realizó la evaluación espacio temporal de coberturas de la microcuenca quebrada Mecha, cuenca del río La Vega, mediante el uso de imágenes Landsat 8, de los años 2014 y 2015, las cuales fueron ortorrectificadas, combinadas por el Software Erdas, cortadas según las firmas espectrales de las bandas seleccionadas en el programa ArcGis 10.0, y ajustadas con imágenes de Google Earth Pro, configurándose bajo el uso de la leyenda nacional de coberturas a escala 1: 100.000 propuesta por el Ideam. Se observó, que la vegetación de páramo está altamente fragmentada, con tendencia a la total desaparición, por el aumento de las áreas de cultivos y explotaciones mineras, deteriorando significativamente la capacidad hídrica de la quebrada que surte el acueducto del municipio de Oicatá. Se concluye que esta metodología se convierte en una herramienta altamente confiable para la determinación de cambios espaciotemporales de coberturas con el fin de ser la base para la toma de decisiones de protección y conservación.
Keywords:
Cuenca del río Chicamocha, Georreferenciación, Sistema de información geográfica, Tendencia espacial (es)
How to Cite
Suárez-Parra, K. V., Cély-Reyes, G. E., & Forero-Ulloa, F. E. (2016). Corine Land Cover (CLC) methodology validation for the space temporary coverage determination: Mecha creek case (Cómbita, Boyacá), Colombia. Biota Colombiana, 17(1). https://doi.org/10.21068/C2016v17r01a01
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