Geochemical characteristics and sources of some chemical components in sediments of Zhujiang (Pearl) River Estuary

Zhou Huaiyang; Peng Xiaotong; Pan Jianming

doi:10.1007/BF02842798

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Geochemical characteristics and sources of some chemical components in sediments of Zhujiang (Pearl) River Estuary

OriginalPaper | Updated：2023-05-16

- Geochemical characteristics and sources of some chemical components in sediments of Zhujiang (Pearl) River Estuary
- Geochemical characteristics and sources of some chemical components in sediments of Zhujiang (Pearl) River Estuary
- 海洋湖沼学报（英文） 2004年22卷第1期页码：34-43
- Affiliations：
  
  1. Institute of Geochemistry Chinese Academy of Sciences
  2. The Second Institute of Oceanography SOA
- Author bio：
- Funds：
  
  This work was supported by the Zhujiang River Estuary Pollution Project (sponsored by CCAR of Hong Kong University of Science and Technology) and Natural Science Key Foundation of China (49736220).
- DOI：10.1007/BF02842798
  中图分类号：
- 纸质出版：2004
- Accepted：
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Geochemical characteristics and sources of some chemical components in sediments of Zhujiang (Pearl) River Estuary[J]. 海洋湖沼学报（英文）, 2004,22(1):34-43.

Huaiyang, Z., Xiaotong, P. & Jianming, P. Geochemical characteristics and sources of some chemical components in sediments of Zhujiang (Pearl) River Estuary., Chin. J. Ocean. Limnol. 22, 34–43 (2004). https://doi.org/10.1007/BF02842798
Geochemical characteristics and sources of some chemical components in sediments of Zhujiang (Pearl) River Estuary[J]. 海洋湖沼学报（英文）, 2004,22(1):34-43. DOI： 10.1007/BF02842798.

Huaiyang, Z., Xiaotong, P. & Jianming, P. Geochemical characteristics and sources of some chemical components in sediments of Zhujiang (Pearl) River Estuary., Chin. J. Ocean. Limnol. 22, 34–43 (2004). https://doi.org/10.1007/BF02842798 DOI：

摘要

Abstract

Sediment cores with length of 25–45cm at 12 stations in Zhujiang (Pearl) River Estuary were sampled in summer of 1999. Chemical components (Al2O3

Fe2O3

CaO

TiO2

Sr and Y) and grain sizes were analyzed. Sediments in Zhujiang River Estuary are characterized by relatively coarse grain size. The grain sizes of the sediments in the area outside the estuary are relatively finer than those in the north part of the estuary but coarser than those in the middle of Lingdingyang and have a trend similar to the spatial distribution trend of some chemical components such as Fe2O3

Al2O3

TiO2

Zn and Y. This showed that grain size is an important factor that controls the spatial distribution and depth profile of chemical elements in the Zhujiang River Estuary. Frequent re-suspension

re-transportation and redistribution of settled sediment on estuary floor could be deduced from the spatial distributions and depth profiles of chemical components. Except for CaO and Sr

the chemical components always enrich at the west side of

in the middle of

and at the north side of

the estuary. Fe2O3

Al2O3

Cu and Y in Zhujiang River Estuary sediments mainly result from rock and soil weathering except that parts of Cr

Zn Cu and Y are anthropogenic. CaO and Sr in sediments originate from marine source. Although Co as well as Pb derives from anthropogenic sources

human activities related to Co might differ from the activities related to Pb.

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references

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