SciELO - Scientific Electronic Library Online

 
 número102Implementación del método máquinas de soporte vectorial en bases de datos espaciales para análisis de clasificación supervisada en imágenes de sensores remotos índice de autoresíndice de materiabúsqueda de artículos
Home Pagelista alfabética de revistas  

Servicios Personalizados

Revista

Articulo

Indicadores

Links relacionados

  • No hay artículos similaresSimilares en SciELO

Compartir


Revista cartográfica

versión On-line ISSN 2663-3981versión impresa ISSN 0080-2085

Resumen

GARCIA HERNANDEZ, Fabián  y  ESCOBAR MARTINEZ, Francisco. A cartographic approach to the analysis of heavy metal spills in Spain. Rev. cartogr. [online]. 2021, n.102, pp.7-26.  Epub 14-Mar-2022. ISSN 2663-3981.  https://doi.org/10.35424/rcarto.i102.716.

Despite the proven adverse effects that heavy metals (HM) cause on human health, their spatial distribution in Spain remains under studied. In order to alleviate this deficiency, the following objectives were set: 1) to know the spatial distribution, at local scale, of HM released into stream waters, 2) to estimate and map the danger of the spills according to their toxicity, 3) to compare HM emissions in Spain within the European context and 4) to estimate future evolution of HM spills. Data has been collected from the E-PRTR (European Pollutant and Transfer Register, 2007-2016) and the location of the emission points has been obtained by geocoding. After exploratory analysis, data were normalized and weighted, facilitating the interpretation of graphs, tables and cartography. Results show a higher concentration of emission points in the North (Asturias, Cantabria and Basque Country), Northeast (Catalonia), East-Southeast (Valencia) and South (Andalusia) sectors. After reviewing the effects of HMs on human health, they have been weighted in this order; mercury (Hg), lead (Pb), cadmium (Cd), chromium (Cr), arsenic (As) and zinc (Zn). It has been verified that during the period 2007-2016, the quantities of PM discharged into the waters, far from decreasing, have fluctuated, adapting to economic transitions and persisting a greater concentration of discharges in the municipalities located in the northern, northeastern, southeastern and southern provinces.

Palabras llave : heavy metals; spills; emissions; spatial distribution; cartographic analysis.

        · resumen en Español     · texto en Español