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Effects of terrestrial input on heavy metals in Zhanjiang Bay, a typical subtropical bay in the South China Sea.
Peng, Demeng; Zhang, Jibiao; Fan, Chuping; Zhu, Bo; Fu, Miaojian; Zhang, Peng.
Afiliación
  • Peng D; College of Chemistry and Environmental Science, Guangdong Ocean University, Guangdong, Zhanjiang 524088.
  • Zhang J; College of Chemistry and Environmental Science, Guangdong Ocean University, Guangdong, Zhanjiang 524088.. Electronic address: zhangjb@gdou.edu.cn.
  • Fan C; College of Chemistry and Environmental Science, Guangdong Ocean University, Guangdong, Zhanjiang 524088.
  • Zhu B; College of Chemistry and Environmental Science, Guangdong Ocean University, Guangdong, Zhanjiang 524088.
  • Fu M; College of Chemistry and Environmental Science, Guangdong Ocean University, Guangdong, Zhanjiang 524088.
  • Zhang P; College of Chemistry and Environmental Science, Guangdong Ocean University, Guangdong, Zhanjiang 524088.. Electronic address: zhangpeng@gdou.edu.cn.
Mar Pollut Bull ; 199: 116015, 2024 Feb.
Article en En | MEDLINE | ID: mdl-38217917
ABSTRACT
Understanding the influence of terrestrial inputs on heavy metals in bays is crucial for the environmental protection of regional estuaries and coastal systems. In this study, the concentrations, temporal and regional distribution characteristics, and fluxes of heavy metals (Cr, Cu, Zn, Cd, Pb) in the surface seawater and terrestrial sewage of Zhanjiang Bay (ZJB) in four different seasons were investigated. The results identified the heavy metal concentrations in the sewage outlet around ZJB had significant seasonal variation. The heavy metals in the surface seawater of ZJB had significant spatiotemporal variations. Terrestrial input, biological activity and hydrodynamics affected the overall distribution. The heavy metal emission fluxes indicated that riverine input was the main influencing factor for heavy metals in ZJB (96.22 %). The fluxes of heavy metals into ZJB increased significantly after the typhoon (Cu 127 %, Zn 63 %, Pb 136 %), it was possible to deteriorate the seawater quality.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes Químicos del Agua / Metales Pesados Tipo de estudio: Etiology_studies / Prognostic_studies / Risk_factors_studies País/Región como asunto: Asia Idioma: En Revista: Mar Pollut Bull Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Contaminantes Químicos del Agua / Metales Pesados Tipo de estudio: Etiology_studies / Prognostic_studies / Risk_factors_studies País/Región como asunto: Asia Idioma: En Revista: Mar Pollut Bull Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido