| 西南酸雨地区土壤中铝溶出规律的探讨 |
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| 引用本文： | 康德梦,庞叔薇.西南酸雨地区土壤中铝溶出规律的探讨[J].环境科学学报,1987,7(2):221-230. |
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| 作者姓名： | 康德梦 庞叔薇 |
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| 作者单位： | 中国科学院环境化学研究所
(康德梦)，中国科学院环境化学研究所(庞叔薇) |
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| 摘 要： | 本文介绍了实验室动态模拟结果,对西南地区酸性沉降引起的土壤铝淋溶过程予以探讨。通过计算机推算拟合,提出了预测土壤中铝淋溶容量计算法。运用正交实验法,研究了近似于天然的动态过程中影响铝淋溶的主要因素及各因素间的相关性。得到了当降雨pH<6.0时,酸性土或弱酸性土中铝溶量和时间呈指数关系,以及影响铝溶出因素主要是酸雨的pH值、土壤的缓冲能力和环境温度等结论。
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| 关 键 词： | 酸雨 淋溶模式 正交设计 土壤铝 |
| 收稿时间： | 1986/2/26 0:00:00 |
THE LEACHING PATTERN OF ALUMINIUM FROM SOILS COLLECTED FROM SOUTHWESTERN CHINA BY ACID RAIN |
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| Kang Demeng and Pang Shuwei.THE LEACHING PATTERN OF ALUMINIUM FROM SOILS COLLECTED FROM SOUTHWESTERN CHINA BY ACID RAIN[J].Acta Scientiae Circumstantiae,1987,7(2):221-230. |
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| Authors: | Kang Demeng and Pang Shuwei |
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| Institution: | Institute of Environmental Chemistry, Academia Sinica and Institute of Environmental Chemistry, Academia Sinica |
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| Abstract: | The leaching of soil aluminium by acid precipitation was investigated by laboratory experiments. Based on the data collected, mathematical equations, which can be used to predict the leaching capacity of soil aluminium, were fitted using a computer. A set of orthogonally designed experiments were performed to study the main factors that influence aluminium leaching as well as the interaction among those factors. The results indicated that the amount of aluminium leached from acid or slight acid soils by solution with pH below 6.0 was exponential function of time and that the main factors influencing aluminium leaching were pH of leaching solution, buffer capacity of soils and the temperature. |
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| Keywords: | acid rain soil leaching aluminium orthogonal design |
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