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Dissolved inorganic tin sources and its coupling with eco-environments in Bohai Bay.

Authors
Type
Published Article
Journal
Environmental Monitoring and Assessment
0167-6369
Publisher
Springer Nature
Publication Date
Volume
184
Issue
3
Pages
1335–1349
Identifiers
DOI: 10.1007/s10661-011-2044-4
PMID: 21494826
Source
Medline
License
Unknown

Abstract

Dissolved inorganic tin (DISn) and its spatial variation were examined in Bohai Bay seawaters to understand the DISn behavior and pollution in this area. DISn concentration gradually increased with the distance from the coast and showed a slight decrease with the increasing depth from surface water, suggesting the scavenged behavior of tin with an atmospheric input to surface water. Besides, the higher DISn values also were found near the Haihe Estuary inferring that the riverine input was a source of DISn. Based on the data in this study, a preliminary estimate of the tin budget via riverine input and atmospheric deposition has been established. According to our estimate, about 2 × 10(6) and 8.47 × 10(5) g/year of tin reach Bohai Bay via rivers and atmosphere. Environmental factors such as suspended particulate material, salinity, total organic matter, pH, nutrients, and phytoplankton had the important influences on DISn distribution. Among them, the negative correlation between DISn and phytoplankton at most stations might indicate the biological uptake of tin.

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