Effects of Acid Deposition on Soil Aggregate and Soil Erodibility

LIU Guang-shen; XU Zhong-jian; XU Dong-mei

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Effects of Acid Deposition on Soil Aggregate and Soil Erodibility

- Effects of Acid Deposition on Soil Aggregate and Soil Erodibility
- Bulletin of Soiland Water Conservation Vol. 20, Issue 4, Pages: 70-74(2001)
- 作者机构：
  
  浙江大学环境科学研究所,浙江,杭州,310027
- 作者简介：
- 基金信息：
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- Published：2001
- 稿件说明：
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LIU Guang-shen, XU Zhong-jian, XU Dong-mei. Effects of Acid Deposition on Soil Aggregate and Soil Erodibility[J]. Bulletin of Soiland Water Conservation, 2001, 20(4): 70-74.
DOI：

LIU Guang-shen, XU Zhong-jian, XU Dong-mei. Effects of Acid Deposition on Soil Aggregate and Soil Erodibility[J]. Bulletin of Soiland Water Conservation, 2001, 20(4): 70-74. DOI：

摘要

从土壤团聚体的角度探讨了酸沉降对土壤可蚀性的影响。根据已有的资料分析表明

酸沉降主要通过改变土壤的酸碱条件、土壤胶体的稳定性以及土壤胶结物质的数量和性质来影响土粒团聚和有机无机复合;其结果是团聚作用降低而黏粒含量增加

最终导致土壤的可蚀性加大。由此可见

长期的酸沉降在土壤侵蚀退化中具有重要作用

进行深入而广泛的有关酸沉降对土壤结构体的影响研究

可为从土壤结构管理的角度防治土壤侵蚀退化提供理论依据。

Abstract

Acid deposition and soil erosion have deteriorated human living environment

w hich has aroused a general concern from people all over the world.The erodibility of acid deposition on soil from the angle of aggregate is studied.Analyzing of the e fects of acid deposition on soil system showed that acid deposition affects soil aggreeation and organo-mineral complex mainly by altering soil acid-based condition

soil colloidal stability and the amount and property of soil cemedins.The influences made soil aggregation decreased

clay content increased and finally soil erodibility enhanced.Obviously

long-time acid deposition plays an important role in soil erosion.

关键词

Keywords

references

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