Impact des activités anthropiques sur la couverture terrestre du bassin du río Quilichao (Colombia) : analyse et projections pour 2030 et 2050

Auteurs-es

DOI :

https://doi.org/10.17561/at.31.9131

Mots-clés :

Couverture des sols, Culture, Développement durable., Bassin versant

Résumé

La croissance démographique et des activités telles que l’urbanisation, l’exploitation minière et l’agriculture ont provoqué des changements significatifs dans l’utilisation et la couverture des sols (LULC) dans le bassin de la rivière Quilichao, Cauca, Colombie. Pour évaluer et prédire ces changements, des technologies géospatiales ont été appliquées pendant la période 2018-2021. Les projections pour les années 2030 et 2050 ont été réalisées en utilisant le modèle d’automates cellulaires et de réseaux neuronaux artificiels (CA-ANN) du complément MOLUSCE dans QGIS. Les cartes LULC ont montré une grande précision, avec des coefficients Kappa supérieurs à 0,97. Entre 2019 et 2050, une diminution de 488,65 ha de végétation dense et une augmentation de 638,16 ha de cultures sont projetées, une tendance qui devrait se poursuivre avec une augmentation supplémentaire de 330,21 ha de cultures d’ici 2030 et 435,42 ha d’ici 2050. Cette analyse fournit un outil crucial pour la formulation de politiques axées....

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Biographies de l'auteur-e

  • David Alejandro Muñoz, Universidad del Valle

    Ingeniero Agrícola, Especialista en Gerencia Ambiental y Desarrollo Sostenible Empresarial, Magister en Ingeniería Ambiental, PhD © en Ciencias Ambientales, Universidad del Valle, Cali Colombia

  • Yesid Carvajal Escobar, Universidad del Valle

     Ingeniero Agrícola, Magister en Suelos y Aguas, PhD en Hidraulica y Medio Ambiente, Director Grupo de Investigación (IREHISA) – Coordinador del Doctorado en Ciencias, Universidad del Valle, Cali Colombia

  • Elkin de Jesús Salcedo Hurtado, Universidad del Valle

    Lic. En Matemáticas y Física, Especialista en Gestión en la Industria de los Hidrocarburos, Doctor en Física y Matemáticas, Director del Observatorio Sismologico y Geofisico del Suroccidente Colombiano, Director del Grupo de Investigación GeoRiesgos, Departamento de Geografía

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Publié

2026-07-10

Comment citer

Muñoz, D. A. ., Carvajal Escobar, Y., & Salcedo Hurtado, E. de J. (2026). Impact des activités anthropiques sur la couverture terrestre du bassin du río Quilichao (Colombia) : analyse et projections pour 2030 et 2050. Agua Y Territorio Water and Landscape, 31, 351-365. https://doi.org/10.17561/at.31.9131