http://www.cnr.it/ontology/cnr/individuo/prodotto/ID167480
PCDD/Fs in sediments of Central Vietnam coastal lagoons: In search of TCDD (Articolo in rivista)
- Type
- Label
- PCDD/Fs in sediments of Central Vietnam coastal lagoons: In search of TCDD (Articolo in rivista) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.marpolbul.2010.09.023 (literal)
- Alternative label
Piazza, R (a,b); Giuliani, S (c); Bellucci, LG (c); Mugnai, C (c), Nguyen HC (d), Dang HN (d), Vecchiato M (a), Romano S (c), Frignani M (c) (2010)
PCDD/Fs in sediments of Central Vietnam coastal lagoons: In search of TCDD
in Marine pollution bulletin.
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Piazza, R (a,b); Giuliani, S (c); Bellucci, LG (c); Mugnai, C (c), Nguyen HC (d), Dang HN (d), Vecchiato M (a), Romano S (c), Frignani M (c) (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- (a) University Ca' Foscari, Dorsoduro 2137, 30123 Venice, Italy
(b) CNR-Istituto per la Dinamica dei Processi Ambientali, Dorsoduro 2137, 30123 Venezia, Italy
(c) CNR-Istituto di Scienze Marine, Via Gobetti 101, 40129 Bologna, Italy
(d) Institute for Marine Environment and Resources, 246 Da Nang Street, Haiphong City, Viet Nam (literal)
- Titolo
- PCDD/Fs in sediments of Central Vietnam coastal lagoons: In search of TCDD (literal)
- Abstract
- Samples from nine Central Vietnam coastal lagoons, together with three soils and sediments collected in two freshwater reservoirs of the Thua Thien-Hué province, were analysed for polychlorinated dibenzo-pdioxins and dibenzofurans (PCDD/Fs). Total concentrations are low, from 192 to 2912 pg g?1 and depth profiles in Tam Giang-Cau Hai (TG-CH) sediment cores show only minor changes over time in PCDD/F input and composition. Octachloro dibenzo-p-dioxin (OCDD) is the prevailing congener (approximately 90%), indicating combustion as the main PCDD/F source to these coastal systems, whereas natural formation might be partly responsible for the presence at depth. 2,3,7,8-Tetrachloro dibenzo-p-dioxin (TCDD), largely sprayed together with Agent Orange over the study areas during the war (1961-1971), is absent
or very low. This result supports the hypothesis of strong degradation soon after spraying. Multivariate statistical analyses account for the presence of local, short-range sources as observed in the northern part of the TG-CH lagoon. (literal)
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