The Presence of Heavy Metals in Urban Snow

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概要

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• Manganese, zinc, lead, copper, chromium and cadmium concentrations in snow collected in an urban area and its environs and snow dumping stations were determined for the snow from an area along the basin of the Toyohira River which runs through Sapporo City in Hokkaido. These elements were chosen because they can be commonly found in municipal, industrial and mining effluents. We studied the relationship of heavy metal concentrations against a background level, to see whether the heavy metal concentrations in the snow could be used as an available indicator of urban pollution. The heavy metal concentrations in the snow clearly increased as the river approached the center of the city. The maximum value of the Mn, Zn, Cu, Cr and Cd in the snow were 161.3, 22.3, 11.2, 9.74, 1.21 and 0.13 μg/l, respectively. These values were influenced by local pollution in the industrial area of the city and by the effect of the seasonal wind from the northwest. The heavy metals except Mn had a high correlation with each other.

• 北海道大学の論文
• 1986-03-15

著者

• Sakai Hiromitsu

  Deptarment Of Environmental Medicine Graduate School Of Environmental Science Hokkaido University

• Saito Kazuo

  Department Chemistry Faculty Of Science Tohoku University

• Sasaki Tanenori

  Department of Health Education, Hokkaido University of Eduation

• Sasaki Tanenori

  Department Of Health Education Hokkaido University Of Eduation

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