天津市不同土地利用类型土壤中多环芳烃的含量特征

doi:10.11821/yj2003030012

地理研究 ›› 2003, Vol. 22 ›› Issue (3): 360-366.doi: 10.11821/yj2003030012

天津市不同土地利用类型土壤中多环芳烃的含量特征

王学军, 任丽然, 戴永宁, 陈静, 朴秀英, 陶澍

北京大学城市与环境学系, 地表过程分析与模拟教育部重点实验室, 北京 100871

收稿日期:2002-11-16 修回日期:2003-01-27 出版日期:2003-06-15 发布日期:2003-06-15
作者简介:王学军(1964-),男,山东烟台人,教授,博士。主要从事环境地学研究。
基金资助:
国家自然科学基金资助项目(4003101040024101)

Contents of PAH compounds in different types of soils in Tianjin area

WANG Xue jun, REN Li ran, DAI Yong ning, CHEN Jing, PIAO Xiu ying, TAO Shu

Department of Urban &|Environmental Sciences, MOE Lab of Earth Surface Process, Peking University, Beijing 100871, China

Received:2002-11-16 Revised:2003-01-27 Online:2003-06-15 Published:2003-06-15

摘要/Abstract

摘要：

本文分析了天津不同土地利用类型表层土壤若干多环芳烃组分的含量特征及污染水平。结果显示,城市绿地土壤中多环芳烃的含量最高,污灌农田土壤中一些组分的含量也较高,但多数组分与普通农田、荒地等其他土地利用类型相差不大;在6种土地利用类型中,低环/高环在大部分地区小于1,说明天津地区多环芳烃污染主要以燃烧源为主。芘/苯并(a)芘参数值则反映出市区绿地土壤受交通污染的影响比较大;各种土地利用类型土壤表层均受到了一定程度的多环芳烃污染,其中城市绿地土壤污染程度较为严重

关键词: 天津, 土地利用类型, 土壤, 多环芳烃

Abstract:

Polycyclic Aromatic Hydrocarbons (PAHs) have been identified as important pollutants in the environment Researches on the pollution situation of PAHs in soils have been carried out extensively in many countries In comparison, few large scale researches have been seen in China In this paper, the contents and pollution level of sixteen PAH compounds in surface soils in different types of soil utilization in Tianjin area were studied Results show that the highest contents of PAHs could be found in soils in urban areas The contents of a few compounds in soils irrigated with wastewater were also relatively high, but most compounds show similar contents compared with other types of soils such as the general cropland and unused land The ratio of low circle PAHs / high circle PAHs and the ratio of pyrene / benzo\pyrene have been used to identify the sources of PAHs pollution Among the six kinds of soils, the ratios of low circle PAHs / high circle PAHs for five kinds of soils were lower than 1, except for urban soils This has demonstrated that the PAHs pollution in Tianjin soils were mainly caused by the burning of fossil fuels The ratio of pyrene / benzo\pyrene shows that the high contents of PAHs in urban soils were mainly caused by pollution of transportation A Dutch Soil Remediation Standard was applied for assessing the pollution situation of the soils in Tianjin area Results show that all surface soils have been polluted in a certain extent by some compounds of PAHs Among the different soil types, the urban soils suffered the most serious pollution

Key words: Tianjin, land use type, soil, Polycyclic Aromatic Hydrocarbons

PACS:

王学军, 任丽然, 戴永宁, 陈静, 朴秀英, 陶澍. 天津市不同土地利用类型土壤中多环芳烃的含量特征[J]. 地理研究, 2003, 22(3): 360-366.

WANG Xue jun, REN Li ran, DAI Yong ning, CHEN Jing, PIAO Xiu ying, TAO Shu. Contents of PAH compounds in different types of soils in Tianjin area[J]. GEOGRAPHICAL RESEARCH, 2003, 22(3): 360-366.

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天津市不同土地利用类型土壤中多环芳烃的含量特征

Contents of PAH compounds in different types of soils in Tianjin area

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