生态学杂志2013，Vol.32Issue(4)：1030-1037,8.
天津公园灰尘与土壤重金属污染特征
Characteristics of heavy metal pollution in dust and soil of Tianjin City, North China
摘要
Abstract
Dust and soil samples were taken from 41 parks in inner-city of Tianjin and 10 parks in Tianjin Binhai New Area to study the physicochemical properties and contents of heavy metals in the samples, with the special distribution patterns and possible sources of the heavy metals analyzed. In the parks, the particle sizes of dusts and soils presented bi- or multi-modal distribution, the organic matter content in the dusts and soils was averagely 49. 10 and 27. 15 g · kg-1 , and the Cu, Pb, Cr, Cd, and Ni contents in the dusts and soils were averagely 113. 88, 76. 81, 141.53, 1. 30, and 114. 70 mg · kg-1, and 41. 68, 30. 76, 96. 43, 1. 01, and 34.03 mg · kg-1 , respectively, being much higher than the background values in Tianjin. The Heping District, northeastern part of Nankai District, and Hexi District were less polluted by the heavy metals. Pearson correlation analysis and principal component analysis indicated that organic matter was the main carrier of Cd, while traffic flux and industrial activities were the main pollution sources of Cr, Ni, Cu, and Pb.关键词
空间分布/主成分分析/人为输入Key words
spatial distribution/ principal component analysis/ anthropogenic input分类
资源环境引用本文复制引用
吴绽蕾,周俊,胡蓓蓓,王中良,王祖伟,孟伟庆..天津公园灰尘与土壤重金属污染特征[J].生态学杂志,2013,32(4):1030-1037,8.基金项目
国家自然科学基金项目(40973078)、国家重点基础研究计划前期研究专项(2010CB434806)、教育部新世纪人才计划项目(NCET-10-0954)、天津市自然科学基金重点项目(11JCZDJC24500,10SYSYJC27400)和中国分布式科研总站开放基金项目(2012002)资助. （40973078）
