Monitoring Debris flow Hazard Based on DEM Matching and Deformation Detecting without Control Points

FENG Yi-cong; CEN Min-yi; ZHANG Tong-gang

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Monitoring Debris flow Hazard Based on DEM Matching and Deformation Detecting without Control Points

- Monitoring Debris flow Hazard Based on DEM Matching and Deformation Detecting without Control Points
- Bulletin of Soiland Water Conservation Vol. 26, Issue 1, Pages: 74-77(2007)
- 作者机构：
  
  1. 四川省国土资源厅信息中心,四川,成都,610072
  2. 西南交通大学土木工程学院地理信心中心,四川,成都,610031
- 作者简介：
- 基金信息：
- DOI：
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- Published：2007
- 稿件说明：
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FENG Yi-cong, CEN Min-yi, ZHANG Tong-gang. Monitoring Debris flow Hazard Based on DEM Matching and Deformation Detecting without Control Points[J]. Bulletin of Soiland Water Conservation, 2007, 26(1): 74-77.
DOI：

FENG Yi-cong, CEN Min-yi, ZHANG Tong-gang. Monitoring Debris flow Hazard Based on DEM Matching and Deformation Detecting without Control Points[J]. Bulletin of Soiland Water Conservation, 2007, 26(1): 74-77. DOI：

摘要

针对泥石流易暴发区地表变化监测时控制点难以布设的困难

基于最小二乘与稳健估计原理

应用无控制DEM匹配与差异探测方法

对川西南普歪沟流域30 a间由于泥石流暴发造成的地表水土流失情况进行了变化监测。通过对差异探测结果进行分析验证

证明该方法对泥石流灾害地区的地表形变监测具有实际应用价值。

Abstract

In the area inundated by debris flow

constructing ground control points for terrain change detection is very difficult.The DEM matching and deformation detection technique without control points were adopted to monitor the soil and water loss caused by debris-flow in Puwaigou

southwest of Sichuan Province during the past 30 years.The experimental results validate that the proposed method is practical for monitoring the terrain changes in the debris-flow area.

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