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The Assessment of pH Variation for Neutralized Acidic Areas using Lysimeters by Seasons
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 Title & Authors
The Assessment of pH Variation for Neutralized Acidic Areas using Lysimeters by Seasons
Oh, Seungjin; Oh, Minah; Park, Chan-O; Jung, Munho; Lee, Jai-Young;
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 Abstract
Korean territories has formed about 70% of mountainous areas that have acidified serious level to average pH 4-5. There are a number of abandoned metal mines about 1,000 in Korea. However, mine tailings and waste rock included heavy metals are exposed to long-term environment without prevention facility or treatment system. Thus, ongoing management and monitoring of soil environment are required. Most of abandoned mine scattered in forest areas of slopes. Soil erosion due to continuous rainfall in the slopy areas can cause the secondary pollution by the influence eutrophication of water system and the productivity loss of the plant. Therefore, this study would like to estimate pH leaching rate by artificial rainfall using waste neutralization-agent in lysimeter. Moreover, the potentially of secondary pollution related to precipitation is figured out through the experiments, and the optimal planting methods would examinate after neutralizing treatment in soil. Experiments composed three kinds of lysimeter; lysimeter 1 had filled only acidic soil, lysimeter 2 had neutralized soil, and lysimeter 3 had planting plants after neutralized soil. In the results, lysimeter 2 showed the lowest pH leaching, and there is not specific relativity with pH leaching of the seasonal characteristics.
 Keywords
Soil neutralization;Lysimeter;Season;pH leaching;
 Language
Korean
 Cited by
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