skip to main content
Ngôn ngữ:
Giới hạn tìm kiếm: Giới hạn tìm kiếm: Dạng tài nguyên Hiển thị kết quả với: Hiển thị kết quả với: Chỉ mục

Distribution of heavy metals in sediments of the Pearl River Estuary, Southern China: Implications for sources and historical changes

Ye, Feng ; Huang, Xiaoping ; Zhang, Dawen ; Tian, Lei ; Zeng, Yanyi

Journal of Environmental Sciences, April 2012, Vol.24(4), pp.579-588 [Tạp chí có phản biện]

ISSN: 1001-0742 ; E-ISSN: 1878-7320 ; DOI: 10.1016/S1001-0742(11)60783-3

Toàn văn sẵn có

Trích dẫn Trích dẫn bởi
  • Nhan đề:
    Distribution of heavy metals in sediments of the Pearl River Estuary, Southern China: Implications for sources and historical changes
  • Tác giả: Ye, Feng ; Huang, Xiaoping ; Zhang, Dawen ; Tian, Lei ; Zeng, Yanyi
  • Chủ đề: Metal Pollution ; Sediment ; Spatial Distribution ; Historical Change ; the Pearl River Estuary ; Engineering ; Environmental Sciences
  • Là 1 phần của: Journal of Environmental Sciences, April 2012, Vol.24(4), pp.579-588
  • Mô tả: The distribution of heavy metals (Pb, Zn, Cd and As) in sediments of the Pearl River Estuary was investigated. The spatial distribution of heavy metals displayed a decreasing pattern from the turbidity maxima to both upstream and downstream of the estuary, which suggested that suspended sediments played an important role in the trace metal distribution in the Pearl River Estuary. In addition, metal concentrations were higher in the west part of the estuary which received most of the pollutants from the Pearl River. In the sediment cores, fluxes of heavy metals were consistent with a predominant anthropogenic input in the period 1970–1990. From the mid-1990s to the 2000s, there was a significant decline in heavy metal pollution. The observed decline has shown the result of pollution control in the Pearl River Delta. However, it is noteworthy that the metal concentrations in the most recent sediment still remained considerably high. Taken together, the enrichment of heavy metals in sediments was largely controlled by anthropogenic pollution.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 1001-0742 ; E-ISSN: 1878-7320 ; DOI: 10.1016/S1001-0742(11)60783-3

Đang tìm Cơ sở dữ liệu bên ngoài...