Characteristics of Soil Erosion in Loess and Purple Soil

ZHANG Yuanjing; ZHANG Pingcang; GING Wenfeng

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Characteristics of Soil Erosion in Loess and Purple Soil

- Characteristics of Soil Erosion in Loess and Purple Soil
- Bulletin of Soiland Water Conservation Vol. 29, Issue 4, Pages: 60-62(2010)
- 作者机构：
  
  1. 长江水利委员会长江科学院,湖北,武汉,430010
  2. 中国地质科学院水文地质环境地质研究所,河北,石家庄,050061
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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ZHANG Yuanjing, ZHANG Pingcang, GING Wenfeng. Characteristics of Soil Erosion in Loess and Purple Soil[J]. Bulletin of Soiland Water Conservation, 2010, 29(4): 60-62.
DOI：

ZHANG Yuanjing, ZHANG Pingcang, GING Wenfeng. Characteristics of Soil Erosion in Loess and Purple Soil[J]. Bulletin of Soiland Water Conservation, 2010, 29(4): 60-62. DOI：

摘要

采用人工模拟降雨试验

在相同试验条件下对黄土和紫色土坡面产流及产沙特征进行了对比研究。研究结果表明

黄土坡面属于超渗产流

坡面发育有较深的侵蚀沟;紫色土属于蓄满产流

坡面沟道不发育或发育微弱

且在相同条件下黄土坡面侵蚀量远大于紫色土坡面的侵蚀量。对比试验表明

在实施水保措施时

应结合土壤的结构和侵蚀特征选择适当的方案

以达到理想的防治效果。

Abstract

By the artificial rainfal experiment

the characteristics of surface runoff and sediment yield in loess and purple soil are contrastively studied under the same experimental conditions. Results show that loess slope belongs to the category of infiltration-excess runoff and deeper rills are developed on it. Purple soil belongs to the category of saturation-excess runoff

where rills are weakly developed or undeveloped. Erosion rate in loess is much greater than that in purple soil under the same conditions. When practicing soil conservation measurements

the appropriate methods combined with soil characteristics should be selected to achieve the ideal results.

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