FENG Di,YIN Xiao-bing,GAO Da-ming.Analysis on Influence Factor of Soil and Water Loss for the Construction of Oil and Gas Project in Chongqing and Sichuan Area[J].Research of Soil and Water Conservation,2013,20(01):42-46,51.
川渝油气田建设水土流失影响因子分析
- Title:
- Analysis on Influence Factor of Soil and Water Loss for the Construction of Oil and Gas Project in Chongqing and Sichuan Area
- Keywords:
- Sichuan—Chongqing region; the construction of oil and gas fields; soil and water loss prediction; impact factor
- 分类号:
- S157
- 摘要:
- 以川渝地区油气田管线建设区域为主要研究对象，确定了9条代表性输气管线工程，选取其中4条不同工程类型管线，现场设定24个典型监测点位，实地监测实际发生的水土流失量；利用通用方程USLE对水土流失量进行预测；运用SPSS软件对监测结果和预测结果进行拟合，同时对USLE中5个显著影响因子进行扰动性矩阵分析。结果表明：（1）USLE在川渝地区油气田建设过程中预测水土流失量与实际水土流失量的拟合效果较好，适用于研究区。（2）水土流失主要影响因子影响程度优先度排序为：土壤可蚀性因子 > 植物覆盖因子 > 降雨侵蚀因子 > 土壤保持措施因子 > 坡度因子。
- Abstract:
- The construction region of oil-gas field pipeline and its supporting facilities, which located in Chongqing and Sichuan province was selected as the study area. Nine projects of natural gas pipeline were selected and 4 projects with different pipeline types were screened, 24 typical monitoring sites in the project were set. On-site monitoring methods was used to examine the amount of actual soil erosion, the USLE soil and water conservation forecasting model was used to predict the amount of soil erosion. After getting the experimental data, the relation of the observed data and forecast data were fitted by using SPSS software. five factors of the USLE soil and water conservation in the prediction model were selected as the significantly affecting factors. And the mobility matrix analysis on these five factors was carried out. The results showed that: (1) predicting amount of soil erosion form USLE soil and water conservation forecast model equation for the construction process of oil and gas fields in the Sichuan—Chongqing region and field monitoring of the amount of soil erosion fitted very well with the practicality of the actual construction operations; (2) the significance of the impact on soil erosion factors were in the order of soil erosion factor > vegetation cover factor and the rainfall erosion factor > erosion control factor slope factor in terms of the degree of influence priority.
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备注/Memo
收稿日期:2012-06-16;改回日期:2012-07-17。
基金项目:中国石油西南油气田分公司2010年科学研究与技术开发项目计划课题“川渝地区油气田建设工程水土保持技术研究”（20100308-08）
作者简介:冯迪(1984-),女,黑龙江哈尔滨人,在读博士,工程师,主要从事水土保持与土地复垦评价。E-mail:fengdiazaz@163.com
通讯作者:高大明(1968-),男,四川成都人,工程师,主要研究方向:石油工程。E-mail:gaodm@petrochina.com.cn