Examinando por Materia "Parámetros Hidrológicos"
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- PublicaciónAcceso abiertoDistribución espacial de la contaminación por fuentes fijas y su relación con parámetros hidrológicos en la zona centro del departamento del Tolima(Universidad de Ibagué, 2019) Machado Torres, Cristian Camilo; Mozo Méndez, Emel Daniel; Hernández López, Jorge ArmandoMisuse of land and the water resources generate climate variation, which brings environmental, economic and social alterations. Many of the anthropic activities are affected for change in precipitation, water resources and the plant cover; which affect the surface temperature directly. Were used Landsat images of the years 77, 88, 97, 2007 y 2015, which were corrected atmospherically with the program IDRISI. Were made the clasification of the index: NDVI (Normalized Difference Vegetation Index), NDWI (Normalized Difference Water Index) and LST (Land Surface Temperature) with the software ArcGis 10.3. Was evaluated the spacel distribution between the pollution parameters for fixed sources and hydrologyc parameters in the center zone of Tolima. Was determinate that the increase of the surface temperature depends on the plant cover and the wáter resources, so the relation between NDVI and NDWI with LST is inverse. Although it does’nt mean that the temperatura depends only on this two.