Phosphorus Speciation and Vertical Variation in Sediments from Lake Baihua

被引：0

作者：

Jia, Miao ^{[1
]}

Hu, Jiwei ^{[1
]}

Huang, Xianfei ^{[1
]}

Li, Zhibin ^{[1
]}

Lin, Yimiao ^{[1
]}

Li, Lingyun ^{[1
]}

机构：

[1] Guizhou Normal Univ, Guizhou Prov Key Lab Informat Syst Mountainous Ar, Guiyang 550001, Peoples R China

来源：

MATERIALS SCIENCE AND PROCESSING, ENVIRONMENTAL ENGINEERING AND INFORMATION TECHNOLOGIES | 2014年 / 665卷

关键词：

phosphorus speciation; lake sediments; SMT; vertical distribution; CHINA; RELEASE; FRACTIONS; HONGFENG;

D O I：

10.4028/www.scientific.net/AMM.665.399

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

This paper reports a study on vertical distribution characteristics of phosphorus speciation in samples collected at four sites from Baihua Lake, based on the Standards, Measurements and Testing (SMT) programme. In this study, the total phosphorus (TP) concentrations of these sediments samples varied from 944.86 to 2591.56 mg/kg and inorganic phosphorus (IP) was the main phosphorus fraction. For this heavily contaminated sediment, the IP mainly consisted of the Fe/Al-P. The vertical variation of the phosphorus had a tendency to decrease with the depth at sites JYS and YPZ. Since the concentrations of the TP in sediments were high and the phosphorus release potential and bioavailability were significant, the lake is still facing an ecological risk.

引用

页码：399 / 403

页数：5

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