Calculation Methods of Soil Anti-erodibility Index of Red Soil and Purple Soil

ZHONG Ren-lin; ZHANG Ping-cang

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Calculation Methods of Soil Anti-erodibility Index of Red Soil and Purple Soil

- Calculation Methods of Soil Anti-erodibility Index of Red Soil and Purple Soil
- Bulletin of Soiland Water Conservation Vol. 30, Issue 6, Pages: 95-98(2011)
- 作者机构：
  
  1. 浙江省水土保持监测中心,浙江,杭州,310009
  2. 长江科学院水土保持研究所,湖北,武汉,430010
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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ZHONG Ren-lin, ZHANG Ping-cang. Calculation Methods of Soil Anti-erodibility Index of Red Soil and Purple Soil[J]. Bulletin of Soiland Water Conservation, 2011, 30(6): 95-98.
DOI：

ZHONG Ren-lin, ZHANG Ping-cang. Calculation Methods of Soil Anti-erodibility Index of Red Soil and Purple Soil[J]. Bulletin of Soiland Water Conservation, 2011, 30(6): 95-98. DOI：

摘要

以长江流域主要侵蚀性土壤--红壤和紫色土为研究对象

以土壤可蚀性K值作为土壤抗侵蚀性指标

采用通用土壤流失方程计算得到人工模拟降雨试验下红壤和紫色土的抗侵蚀性指标

分别为0.325 2和0.276 3。应用侵蚀-生产力评价模型(EPIC)

根据上述两种土壤的理化性质计算其土壤抗侵蚀性指标

分别为0.313 8和0.266 8。分析比较这两种方法得到的土壤抗侵蚀性指标

最终得到侵蚀-生产力评价模型(EPIC)的修正系数(1.04)。

Abstract

Two erosive soils

red soil and purple soil in Yangtze River basin

was selected as research objects

and K value was taken as indices of soil anti-erodibility

this paper calculated the soil anti-erodibility of red soil and purple soil under rainfall simulation experiments using universal soil loss equation(USLE).The results showed that the K values were 0.325 2 and 0.276 3 respectively for red and purple soil.Meanwhile

the K values were also calculated for red and purple soil using EPIC model

they were 0.313 8 and 0.266 8 respectively.Bases on the comparison of K values with two methods

the correction coefficient of EPIC model was obtained

the value was 1.04.

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Related Institution

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