Pollutant exchange at the water/sediment interface in the venice canals

被引：0
|
作者：
E. Argese
E. Ramieri
C. Bettiol
B. Pavoni
E. Chiozzotto
A. Sfriso
机构：
[1] Centro di Studio sulla Chimica e le Tecnologie per l'Ambiente (CNR),Dipartimento di Scienze Ambientali
[2] Università Ca'Foscari di V enezia,Diparnmento di Scienze Ambientali
[3] Assessorato all'Ecologia,undefined
[4] Comune di Venezia,undefined
来源：
Water, Air, and Soil Pollution | 1997年 / 99卷
关键词：
heavy metals; sediments; pollution; resuspension; release processes; bioavailability; anthropogenic; metal; residual inetal; geochemical phases;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The space-time distribution of some pollutants (Cu, Ph, Zn, Cd, Fe, Mn, V, Ni, Cr) in the sludge of the canals of Venice was studied. The contamination levels were comparable to, or higher, than those measured in the most polluted sediments of the Lagoon of Venice Sediments were collected by two different sampling techniques I ) collection of sediment cores (upper 5 cm) by a syringe-type corer, 2) collection by traps, placed on the bottom of the canal Traps pennitted the sampling of sediments essentially resuspended by overlying water turbulence This sediment fraction is subjected to variations of its physicochemical parameters (principally change of redox conditions) and therefore to pollutant exchange at the water/sediment interface
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页码：255 / 263
页数：8
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