Please use this identifier to cite or link to this item: https://accedacris.ulpgc.es/handle/10553/72981
Title: Atmospheric deposit for contaminants in Palmas de Gran Canaria. Metal elements
Authors: López Cancio, José Antonio 
Vera Castellano, Antonio José 
Santana Aleman,Pedro Juan 
Corujo Jiménez, José 
UNESCO Clasification: 2391 Química ambiental
Keywords: Polycyclic Aromatic-Hydrocarbons
Polychlorinated-Biphenyls
Aerosol-Particles
Massachusetts Bay
Dry Deposition, et al
Issue Date: 1999
Journal: Afinidad 
Abstract: Atmospheric deposition of metallic elements was measured, using a conventional dry collector, from May 1993 to May 1995 at four sites on Las Palmas G.C. Analytical method was Absorption Atomic Spectroscopy. Averaging results from four sites, the following deposition rates were obtained for Las Palmas G.C. in mu g/m(2) . d: Na 1.21 . 104; K 1.24 . 10(3); Ca 1.01 . 10(4); Mg 2.88 . 10(3); Zn 3.2 . 10(2); Fe 2.32 . 10(3); Cu 9 . 10(2), Ni 9.00; Pb 1.4 . 10(2); Cd 1.19. For most elements, dry deposition velocities (cm/s) were estimated, obtaining the copper highest values, 17.3 cm/s, while Pb, Ni and K have been the metals with a greater residence time in the atmosphere. The study of enrichment factors indicates that Pb, Cu, Zn and Cd have an anthropogenic origin. The obtained data reveal a clear seasonal behavior of Na while there is no clear seasonal trend to the other metallic elements depositions, especially Pb, Cd and Fe.
URI: https://accedacris.ulpgc.es/handle/10553/72981
ISSN: 0001-9704
Source: Afinidad [ISSN 0001-9704], v. 56 (481), p. 185-192, (Mayo-Junio 1999)
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