摘要
昆明市东川区位于小江断裂带北部,地形复杂,泥石流、地震灾害频发,精确而快速地获取该地区地表形变信息具有重要意义。应用SBAS-InSAR技术对2015-2016年共17幅降轨Sentinel-1A单视复数影像进行处理,分析目标区域形变信息。探测发现小江断裂带区域以及东川城区为主要沉降区域,最大沉降速率为30.93mm/a,而两侧山体为主要抬升区域,根据相关资料分析,东川地区地表形变人为影响因素较小,小江断裂带地质运动是影响东川城区形变的主要原因。
Dongchuan District of Kunming City is located in the northern part of the Xiaojiang Fault Zone with complex terrain and frequent debris flow and earthquake disasters.Accurate and fast acquisition of surface deformation information in this area has been a difficult problem.In this paper,SBAS—InSAR technology is applied to extract and analyze the deformation information of the target area based on 17 single-view complex images from 2015 to 2016.The detection found that the Xiaojiang fault zone area and Dongchuan urban area are the main subsidence areas with the maximum velocity of 30.93 mm/a,while the mountain bodies on both sides are the main uplift areas.After reviewing the data and verifying the results,we confirm that human factors have little influence on the surface deformation in Dongchuan area,while the geological movement of the Xiaojiang fault zone is the main factor affecting the deformation in Dongchuan urban area.
作者
王宇飞
甘淑
袁希平
张荐铭
WANG Yu-fei;GAN Shu;YUAN Xi-ping;ZHANG Jian-ming(Faculty of Land Resource Engineering,Kunming University of Science and Technology,Kunming 650093,China;Plateau Mountain Spatial Information Survey Technique Application Engineering Research Center,Yunnan Province’s University,Kunming 650093,China;West Yunnan University of Applied Sciences,Dali 671006,China)
出处
《软件导刊》
2020年第9期165-168,共4页
Software Guide
基金
东川小江泥石流迹地的多尺度遥感探测试验分析研究项目(41861054)
滇中星云湖高原湖泊流域聚落空间格局演化研究项目(41561083)。
