宝鸡市滨河路不同植被环境污染的磁学响应

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Abstract By exploring the magnetic response of environmental pollution about different vegetation leaves in urban street, the environmental magnetism of the different vegetation leaves was analyzed in Binhe street. The results show that the concentration of magnetic mineral samples was relatively low, magnetic domain was mainly composed by coarse particles of PSD (pseudo single domain) and MD (multidomain grain). The particle size of magnetic mineral of shrub vegetation was greater than arbor vegetation in the leaves. The average value of χ_lf was 6.49×10^-8m³/kg, compared with the campus clean area vegetation blade, showed high concentration. The SIRM and χ_ARM range was (964~1226)×10^-6Am²/kg and (9.9~44.7)×10^-8m³/kg, were also much higher than the campus vegetation blade, Which was (453~771)×10^-6Am²/kg and (6.8~15.1)×10^-8m³/kg, show that the relative content of ferrous magnetic minerals was higher. The magnetic mineral concentration and the particle size of the vegetation leaves in Binhe street decreased with the increasing of height. Different kinds of vegetation within the same height have different environmental effects in Binhe street. The magnetic mineral concentration and particle size of Gold leaf privet present a higher value, which indicated its had better dust detention and the ability to prevent and control pollution. In addition, in the east section of Binhe street and western intersection, The magnetic mineral of vegetation leaves appears high value center, which indicates the heavy pollution.

Key words： Binhe street magnetic parameters vegetation pollution

Received: 22 October 2017

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	Articles by authors
	ZHANG Jun-hui
	JIANG Shan
	LIU Bin
	WANG Yan-hu

Cite this article:

ZHANG Jun-hui,JIANG Shan,LIU Bin等. Magnetic response of environmental pollution about different vegetation leaves in Binhe Street of Baoji City[J]. CHINA ENVIRONMENTAL SCIENCECE, 2018, 38(5): 1893-1904.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2018/V38/I5/1893

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