A Rapid Flowing Down of Acidic Pollutants in Snowpack During Melting Process
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概要
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Field observations were carried out to investigate the movement of acidic pollutants through snowpack during melting process. The amount of ion contained in snowpack under field conditions was measured. With partial melting of snowpack, anions and cations rapidly flew down through the snowpack. The rapid movement of ions was supported by a field experiment using methyleneblue as a tracer. More than 70% of ions retained in the snowpack was released at an initial stage of the partial melting, when compacted snow disappeared. Ion concentration of meltwater in this period was estimated to be concentrated by more than 7 times as high as the average concentration in the snowpack. Ions flowing down through snowpack transiently accumulated on an ice layer. Ions accumulated on the ice layer were released as the real melting season began.
- 社団法人 農業農村工学会の論文
社団法人 農業農村工学会 | 論文
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