EFFECTS OF THE URBAN AND RURAL DRAINAGES IN THE QUALITY OF WATERS OF VERRUGA STREAM IN VITORIA DA CONQUISTA - BAHIA, BRAZIL

被引：2

作者：

Pires dos Santos, Maria Lucia ^{[1
]}

dos Santos, Jose Soares ^{[1
]}

dos Santos, Jarbas Rodrigues ^{[1
]}

de Oliveira, Leandra Brito ^{[1
]}

机构：

[1] Univ Estadual Sudoeste Bahia, Dept Ciencias Nat, BR-45083900 Vitoria Da Conquista, BA, Brazil

来源：

QUIMICA NOVA | 2008年 / 31卷 / 08期

关键词：

principal component analysis; Verruga Stream; urban activities;

D O I：

10.1590/S0100-40422008000800016

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This study examined the spatial and temporal variations of 13 physico-chemical parameters in water and sediment samples collected along the rural and urban section of Verruga Stream. The metal concentrations were determined by FAAS. The conductivity and the concentration of Na+, Cl-, and Ca2+ showed the largest variations in the urban area demonstrating that these parameters are appropriate indicators of urban contamination. The application of cluster and principal component analysis showed that the Cd2+ and Mn2+ are associated with the use of fertilizers in the rural area.

引用

页码：1997 / 2003

页数：7

共 20 条

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