Soils and sediments of the Thua Thien-Hue Province (central Vietnam): recognizing trace element sources and the likely influence of natural events (Articolo in rivista)

Type
Label
  • Soils and sediments of the Thua Thien-Hue Province (central Vietnam): recognizing trace element sources and the likely influence of natural events (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1039/c0em00706d (literal)
Alternative label
  • Silvia Giuliani (* a); Stefania Romano (a); Clara Turetta (b); Nguyen Huu Cu (c); Luca Giorgio Bellucci (a); Gabriele Capodaglio (b,d); Cristian Mugnai (a); Dang Hoai Nhon (c); and Mauro Frignani (a); (2011)
    Soils and sediments of the Thua Thien-Hue Province (central Vietnam): recognizing trace element sources and the likely influence of natural events
    in Journal of environmental monitoring (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Silvia Giuliani (* a); Stefania Romano (a); Clara Turetta (b); Nguyen Huu Cu (c); Luca Giorgio Bellucci (a); Gabriele Capodaglio (b,d); Cristian Mugnai (a); Dang Hoai Nhon (c); and Mauro Frignani (a); (literal)
Pagina inizio
  • 1383 (literal)
Pagina fine
  • 1392 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://pubs.rsc.org/en/journals/journalissues/em (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 13 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (a) CNR-Istituto di Scienze Marine, Via Gobetti 101, 40129 Bologna, Italy; (b) Dipartimento di Scienze Ambientali, Università di Venezia, Dorsoduro 2137, 30123 Venice, Italy; (c) CNR-Istituto per la Dinamica dei Processi Ambientali, Dorsoduro 2137, 30123 Venice, Italy; (d) Institute of Marine Environment and Resources, 246 Da Nang Street, Haiphong City, Vietnam; (literal)
Titolo
  • Soils and sediments of the Thua Thien-Hue Province (central Vietnam): recognizing trace element sources and the likely influence of natural events (literal)
Abstract
  • Trace element concentrations have been measured in soil and sediment samples taken from the Thua Thien Hue (TT-H) Province and the Tam Giang-Cau Hai (TG-CH) Lagoon in 2002 and 2004. Results show that the lagoon is only slightly contaminated by elements such as Ag, Cd, Cr, Cu, Ni, Pb and Zn, whereas As, probably naturally enriched in this Asian region, reaches values above the lowest internationally accepted sediment quality guidelines. Concentrations in soils are ascribable to natural sources and distributions in the TG-CH Lagoon are mainly influenced by river inputs, with Ag and Cd undergoing estuarine desorption processes. However, concentration-depth profiles of most trace elements in sediments show a recent increasing trend that might be linked to the economic development of the area. The comparison of porosity and 210 Pb depth profiles (confirmed also by Cd and As) from repeated samplings of the same core locations in the TG-CH Lagoon seems to account for a loss of 5-10 cm of surficial sediment that took place during the time interval between the two samplings. It is hypothesized that extreme meteorological events (e.g. a major typhoon that hit the area in November 2003) could be responsible for such sediment displacement. (literal)
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