联合LiDAR DEM与时序SAR数据的露天矿特大型滑坡监测

doi:10.12068/j.issn.1005-3026.2021.12.012

东北大学学报（自然科学版） ›› 2021, Vol. 42 ›› Issue (12): 1753-1760.DOI: 10.12068/j.issn.1005-3026.2021.12.012

联合LiDAR DEM与时序SAR数据的露天矿特大型滑坡监测

魏恋欢¹，刘善军¹，杨天鸿¹，赵晔²

(1. 东北大学资源与土木工程学院，辽宁沈阳110819; 2. 辽宁省自然资源事务服务中心，辽宁沈阳110032)

修回日期:2021-04-02 接受日期:2021-04-02 发布日期:2021-12-17
通讯作者: 魏恋欢
作者简介:魏恋欢(1986-)，女，辽宁沈阳人，东北大学副教授; 刘善军(1965-)，男，河北涿鹿人，东北大学教授，博士生导师; 杨天鸿(1968-)，男，辽宁抚顺人，东北大学教授，博士生导师.
基金资助:
国家自然科学基金资助项目(42071453)；中央高校基本科研业务费专项资金资助项目(N2001027)；国家重点研发计划项目(2017YFC1503101); 中欧“龙计划”五期科技合作项目(58029).

Collaborative Monitoring of Open Pit Mine Induced Large Scale Landslide with LiDAR DEM and Time Series SAR Data

WEI Lian-huan¹， LIU Shan-jun¹， YANG Tian-hong¹， ZHAO Ye²

1. School of Resources & Civil Engineering， Northeastern University， Shenyang 110819， China; 2. Liaoning Natural Resources Service Center， Shenyang 110032， China.

Revised:2021-04-02 Accepted:2021-04-02 Published:2021-12-17
Contact: LIU Shan-jun
About author:-
Supported by:
-

摘要/Abstract

摘要： 面向长期多阶段大型滑坡变形监测需求，提出了一种像素偏移量跟踪(pixel offset tracking， POT)与多时相雷达干涉测量(multi-temporal interferometry， MTI)协同监测方案，分别针对滑坡的快速变形期及缓慢变形期开展变形监测研究.针对时序SAR滑坡监测中面临的观测方向与滑坡变形方向的空间不一致问题，提出了一种高精度激光雷达(light detection and ranging， LiDAR)数字高程模型(digital elevation model， DEM)辅助的坡向变形求解方法，并开展了抚顺西露天矿南帮特大型滑坡长时序变形监测，其结果与GPS监测结果相比平均误差仅为dm级.

关键词: 多时相干涉测量;像素偏移量跟踪;滑坡监测;露天矿;数字高程模型

Abstract: A collaborative monitoring scheme combining pixel offset tracking(POT) and multi-temporal interferometry (MTI) is proposed， where POT is used during rapid-movement period and MTI is used during slow-movement period. Targeting at the spatial inconsistency between the azimuth-line of sight(Az-LOS) measurements and downslope landslide displacements， a light detection and ranging(LiDAR) digital elevation model(DEM) based conversion method from Az-LOS to downslope direction is also proposed and adopted in the long-term displacement monitoring of the large scale landslide on the south slope in Fushun west open pit mine. By comparing the estimated downslope displacements with GPS measurements， mean error of decimeter level is achieved.

Key words: multi-temporal interferometry; pixel offset tracking; landslide monitoring; open pit mine; digital elevation model

中图分类号:

TP722.6
TP79

魏恋欢，刘善军，杨天鸿，赵晔. 联合LiDAR DEM与时序SAR数据的露天矿特大型滑坡监测[J]. 东北大学学报（自然科学版）, 2021, 42(12): 1753-1760.

WEI Lian-huan， LIU Shan-jun， YANG Tian-hong， ZHAO Ye. Collaborative Monitoring of Open Pit Mine Induced Large Scale Landslide with LiDAR DEM and Time Series SAR Data[J]. Journal of Northeastern University(Natural Science), 2021, 42(12): 1753-1760.

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联合LiDAR DEM与时序SAR数据的露天矿特大型滑坡监测

Collaborative Monitoring of Open Pit Mine Induced Large Scale Landslide with LiDAR DEM and Time Series SAR Data

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