An initial approach to measure soil loss amount of farmland on weir and mound using ~(137)Cs method

Zhang Xinbao; Li Shaolong; Wang Chenhua; Tan Wanpei; Zhao Qingchang; Zhang Yiyun; Yan Meiqion; Liu Yalun; Jiang Jinjiang

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An initial approach to measure soil loss amount of farmland on weir and mound using ~(137)Cs method

- An initial approach to measure soil loss amount of farmland on weir and mound using ~(137)Cs method
- Bulletin of Soiland Water Conservation Vol. 7, Issue 5, Pages: 18-22(1988)
- 作者机构：
  
  1. 中国科学院成都山地灾害和环境研究所
  2. 四川大学物理系
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1988
- 稿件说明：
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Zhang Xinbao, Li Shaolong, Wang Chenhua, et al. An initial approach to measure soil loss amount of farmland on weir and mound using ~(137)Cs method[J]. Bulletin of Soiland Water Conservation, 1988, 7(5): 18-22.
DOI：

Zhang Xinbao, Li Shaolong, Wang Chenhua, et al. An initial approach to measure soil loss amount of farmland on weir and mound using ~(137)Cs method[J]. Bulletin of Soiland Water Conservation, 1988, 7(5): 18-22. DOI：

摘要

本文介绍了

137

Cs法测算农耕地土壤侵蚀量的基本原理和方法。梁峁坡农耕地和梯田5个土壤剖面的

137

Cs含量的测定结果表明

土壤剖面的

137

Cs总量很好地表征了农耕地的侵蚀程度。根据卡钱诺斯基和奎因（Kachanoski and Quine）1987年分别提出的曲线和本文提出的公式求得的侵蚀模数值和实测资料分析值基本吻合。

Abstract

This paper describes the concept and method of estimating soil erosionrates of cultivated land from fallout Caesium137 measurements.The resultsof five soil profiles on cultivated land of weir and mound and terrace showthat the total content of ~(137)Cs in soil profile reflect erosion severity ofcultiated land well.The soil erosion rates

indicated by Kachnoskis and Quinescurves and calculated by the formula developed by authors

are basicallyconsistent with the analyzed values based upon measured data of runoffplots.

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