Evaluación multicriterio con aplicación de sistemas de información geográficas SIG para definir espacios de expansión urbana en el cantón Naranjito

Edwin Alberto  Cantos Sánchez; Israel Marcial  Portilla Sánchez; Paola Gabriela  Fajardo Espinoza; Angélica Nathaly  Lara Garabi

doi:10.59169/pentaciencias.v6i6.1259

Authors

Edwin Alberto Cantos Sánchez Universidad Agraria del Ecuador https://orcid.org/0009-0008-2320-554X
Israel Marcial Portilla Sánchez Universidad de Guayaquil https://orcid.org/0000-0001-6929-6215
Paola Gabriela Fajardo Espinoza Universidad Agraria del Ecuador https://orcid.org/0000-0001-7348-6986
Angélica Nathaly Lara Garabi Universidad Agraria del Ecuador https://orcid.org/0009-0008-2320-554X

DOI:

https://doi.org/10.59169/pentaciencias.v6i6.1259

Keywords:

Multicriteria Evaluation (MCE); urban expansión; Geographic Information Systems (GIS); Saaty Methodology

Abstract

This study focuses on a multicriteria evaluation to determine optimal urban expansion areas in the canton of Naranjito using Geographic Information Systems (GIS). Restriction zones, such as consolidated areas and those near wastewater treatment plants where urban expansion is not feasible, were identified. A detailed geospatial model was developed based on layers representing key factors such as hospitals, educational centers, police stations, rivers, and roads. The Saaty methodology (MCE) was employed to weigh these variables, highlighting the relative importance of each in decision-making. Higher relevance was given to factors such as proximity to hospitals and police stations, while others, such as vegetation cover and soil slope, were considered to have less impact due to their minimal influence on urban expansion in this area. The consistency analysis confirmed the coherence in the weighting of the criteria. The GIS modeling results indicated that the most suitable areas for urban growth are close to already urbanized zones, which supports the utilization of existing infrastructure. This comprehensive approach allows for more efficient and sustainable urban planning, tailored to the specific characteristics of the Naranjito territory.

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