Appling Streaming Sampling Technique in Monitoring Soil and Water Loss on Railway Slope

HOU Lin; PENG Hong; CHEN Xiao-rong; ZHU Xiao-rong

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Appling Streaming Sampling Technique in Monitoring Soil and Water Loss on Railway Slope

- Appling Streaming Sampling Technique in Monitoring Soil and Water Loss on Railway Slope
- Bulletin of Soiland Water Conservation Vol. 23, Issue 3, Pages: 37-39(2004)
- 作者机构：
  
  1. 西北农林科技大学林学院,陕西杨凌,712100
  2. 陕西省水土保持生态环境监测中心,陕西,西安,710004
  3. 陕西高速集团建设有限公司西宝分公司,陕西,西安,710086
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2004
- 稿件说明：
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HOU Lin, PENG Hong, CHEN Xiao-rong, et al. Appling Streaming Sampling Technique in Monitoring Soil and Water Loss on Railway Slope[J]. Bulletin of Soiland Water Conservation, 2004, 23(3): 37-39.
DOI：

HOU Lin, PENG Hong, CHEN Xiao-rong, et al. Appling Streaming Sampling Technique in Monitoring Soil and Water Loss on Railway Slope[J]. Bulletin of Soiland Water Conservation, 2004, 23(3): 37-39. DOI：

摘要

在预调查的基础上

运用分层抽样技术

计算出了在既定可靠性下

西南铁路陕西段路基边坡监测样点的样本容量。路基边坡植被盖度在90%可靠性和92%的估计精度下估计值和误差限分别为15.81%和1.20%;土壤侵蚀强度在90%可靠性和90.52%的估计精度下估计值和误差限分别为1715.14t/km

和162.60t/km

。

Abstract

Based on preceding investigation

themonitored sample numbers on the slope of Shaanxi section on Xi'an-Nanjing railway are calculated under given reliability. Under 90% reliability and 92% estimation precision

the mean vegetation coverage and its error value is 15.81% and 1.2%

respectively.The mean soil erosion intensity and its error value are 1715.14 t/km2 and 162.595 t/km2 respectively under 90% reliability and 90. 52% estimation precision.

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