Research on Soil Quality Degradation Changes in Expressway Road Area

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Research on Soil Quality Degradation Changes in Expressway Road Area

更新时间：2024-11-07

- Research on Soil Quality Degradation Changes in Expressway Road Area
- Issue 4, Pages: 195-198(2006)
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- Published：2006
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Research on Soil Quality Degradation Changes in Expressway Road Area[J]. 2006, (4): 195-198.
DOI：

Research on Soil Quality Degradation Changes in Expressway Road Area[J]. 2006, (4): 195-198. DOI：

摘要

由于道路建设，原有土壤被扰动，形成了一种新的人为土-路域土壤。文章对路域土壤的成因和特点进行了阐述，并以呼集高速公路卓资段的实例来说明路域土壤的特点。研究分析了路域土壤的理化特性，土壤污染特征。结果表明：路域土壤形成过程中，土壤的粉沙粘粒含量、有机质和养分含量趋于下降、pH值趋于升高；土壤理化性质的恶化是土壤粉沙粘粒和有机质被道路建设所影响的结果，进而造成土壤粗粒化，并且路域内部有潜在土壤污染的可能．

Abstract

During the construction of expressway

the natural vegetation and soil had been destroyed

soil quality has degraded. This paper takes an existing expressway road area soils as a case study

and give a summarization on the formation and characteristics of road area soils. This research results showed that in the degradation process of the soils

silt content

organic matter

available nutrient were gradually reduced but soil rigidity and pH rose. Worsening of the soil properties resulted from decreasing of silt and clay particles and organic matter caused the coarsing of soil particles. The pollution characteristics of heavy metals in soils of different function positions of road area were studied

and made an objective assessment of the pollution of heavy metals

which can offer an useful background material for subsequent research.

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Related Author

YU Hai-long

GU Wei

JIANG Wei

ZHANG Chun-Yu

LIU Yong-bing

ZHANG Libo

GUO Mingming

GONG Zirui

Related Institution

Jilin Soil Fertilizer General Station

Northeast Institute of Geography and Agroecology， Chinese Academy of Sciences

College of Resources and Environment， Jilin Agricultural University

College of Forestry， Gansu Agricultural University

Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences

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