典型工业城市土壤黑碳含量、分布特征及来源分析——以黄石市为例
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湖北理工学院 环境科学与工程学院,中国地质科学院 水文地质环境地质研究所,海南热带海洋学院 热带生态环境保护学院,湖北理工学院 环境科学与工程学院,湖北理工学院 环境科学与工程学院

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X153

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国家自然科学基金项目(41603117)资助。


Concentration, Distribution and Potential Sources of Black Carbon in Soils from A Typical Industrial City— A Case Study of Huangshi, China
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School of Environmental Science and Engineering,Hubei Key Laboratory of Mine Environmental Pollution Control and Remediation,Hubei Polytechnic University,Institute of Hydrogeology and Environmental Geology,Chinese Academy of Geological Sciences,School of Tropical Eco-environment Protection,Hainan Tropical Ocean University,Sanya,School of Environmental Science and Engineering,Hubei Key Laboratory of Mine Environmental Pollution Control and Remediation,Hubei Polytechnic University,School of Environmental Science and Engineering,Hubei Key Laboratory of Mine Environmental Pollution Control and Remediation,Hubei Polytechnic University

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    摘要:

    以黄石市3种不同类型土壤(红壤土、潮土、水稻土)为研究对象,采用热光反射法测定土壤中黑碳、焦炭和烟炱含量,研究有机碳、黑碳、焦炭和烟炱的空间分布特征,同时分析黑碳、焦炭、烟炱与有机碳之间的相互关系及黑碳的可能来源。结果表明:黄石市表层土壤中黑碳含量的变化范围为0.01 ~ 5.79 g/kg,平均值为1.06 g/kg。其中水稻土黑碳含量最高,潮土次之,红壤最低。黑碳在有机碳中所占比例的变化范围为0.53% ~ 89.54%,平均值为25.29%,说明黑碳对土壤有机碳库有较大的贡献。不同土壤类型黑碳/总有机碳(BC/TOC)比值存在较大的差异, 红壤BC/TOC平均值最大(36.70%),其次为水稻土(25.25%),潮土最低(18.25%),这可能与土壤质地有关。黑碳、焦炭与烟炱含量和BC/TOC比值的空间变异性与区域的产业结构及工业布局有关。黑碳、焦炭与烟炱含量之间呈显著正相关,说明它们可能有共同的来源。焦炭/烟炱比值(char/soot)分析结果表明土壤中的黑碳受人为源的影响很大,主要来源于化石燃料燃烧(工业燃煤及机动车尾气排放)。

    Abstract:

    Distribution and potential sources of black carbon (BC) and correlation with total organic carbon (TOC), char and soot were determined in three different soil types (paddy soil, red soil, and fluvo-aquic soil) from Huangshi, a typical industrial city of Hubei Province in central China. Results showed that the concentrations of BC in soils varied significantly, from 0.01 to 5.79 g/kg with a mean of 1.06 g/kg. BC content was highest in paddy soil while lowest in red soil. The ratios of BC to TOC were ranged from 0.53% to 89.54% with an average of 25.29%, and highest in red soil while lowest in fluvo-aquic soil. The spatial variations of BC, char and soot concentrations and BC/TOC were related to regional industrial structure and layout. BC concentration was positively correlated with those of char, soot, and TOC, suggesting a same source. Analyses of char/soot ratios indicated the major impacts were from anthropogenic activities, especially combustion of fossil fuels, such as motor vehicle emissions and coal combustion.

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占长林,万的军,王 平,张家泉,肖文胜,韩永明.典型工业城市土壤黑碳含量、分布特征及来源分析——以黄石市为例[J].土壤,2017,49(2):350-357. ZHAN Changlin, WAN Dejun, WANG Ping, ZHANG Jiaquan, XIAO Wensheng, HAN Yongming. Concentration, Distribution and Potential Sources of Black Carbon in Soils from A Typical Industrial City— A Case Study of Huangshi, China[J]. Soils,2017,49(2):350-357

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历史
  • 收稿日期:2016-04-26
  • 最后修改日期:2016-06-28
  • 录用日期:2016-06-29
  • 在线发布日期: 2017-03-22
  • 出版日期: 2017-04-25