Monitoring and Estimation of Wind Erosion of Pipe Engineering of Transfer Natural Gas from West to East in West Section of Shaanxi Province

HUANG Gao-hua; SHEN Bing; ZHANG Yi; DONG Zhi-ping; SHI Yong

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Monitoring and Estimation of Wind Erosion of Pipe Engineering of Transfer Natural Gas from West to East in West Section of Shaanxi Province

- Monitoring and Estimation of Wind Erosion of Pipe Engineering of Transfer Natural Gas from West to East in West Section of Shaanxi Province
- Bulletin of Soiland Water Conservation Vol. 24, Issue 4, Pages: 34-37(2005)
- 作者机构：
  
  1. 西安理工大学,陕西,西安,710048
  2. 陕西省水土保持局,陕西,西安,710004
  3. 黄河上中游管理局,陕西,西安,710021
- 作者简介：
- 基金信息：
- DOI：
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- Published：2005
- 稿件说明：
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HUANG Gao-hua, SHEN Bing, ZHANG Yi, et al. Monitoring and Estimation of Wind Erosion of Pipe Engineering of Transfer Natural Gas from West to East in West Section of Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2005, 24(4): 34-37.
DOI：

HUANG Gao-hua, SHEN Bing, ZHANG Yi, et al. Monitoring and Estimation of Wind Erosion of Pipe Engineering of Transfer Natural Gas from West to East in West Section of Shaanxi Province[J]. Bulletin of Soiland Water Conservation, 2005, 24(4): 34-37. DOI：

摘要

通过对沙漠化危害严重的西气东输管线工程陕西西段管线过境特征和对风蚀与土壤养分实地监测

探讨了陕西西段西气东输管线工程对风蚀的影响。调查与监测表明

该段西气东输管线工程经过农地管线长度占管线总长度的60.8%

林地占22.6%

荒草地占9.6%

其它类型占7.0%。管线施工会增加地表风蚀量

并影响土壤养分和水分状况。固定、半固定沙地由于受天然气管线施工影响使沙地活化

风蚀量为未扰动区域的2~3倍;固定沙地、半固定沙地、流动沙地风沙土表层土壤有机质、全氮、全磷含量管道扰动区域较原地貌分别降低了30%~40%

土壤含水量扰动区域较原地貌降低25%~35%。

Abstract

The wind erosion and soil nutrient change of the pipe engineering of transfer natural gas from the west to the east in the west section of Shaanxi Province are monitored and analyzed.It showed that the lengths of pipeline through agricultural land

forestry

grassland amount to 60.8%

22.6%

and 9.6% respectively.The pipe eng-ineering could increase the wind erosion and worsen the soil nutrient.The wind erosion in engineering area on the stable and sem-istable sandy land is as double or triple times as that on site without disturbance by construction.During construction

the soil organic matter

total nitrogen and total phosphorus in the surface soil decrease by 30% to 40%

and the soil moisture decrease by 25% to 35%.

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