北斗在地壳形变监测中的应用进展  

Application progress of BDS in monitoring crustal deformation

作　　者：高志钰 郭进义[2] 刘杰 GAO Zhiyu;GUO Jinyi;LIU Jie(State Key Laboratory of Earthquake Dynamics,Institute of Geology,China Earthquake Administration,Beijing 100029,China;National Natural Science Foundation of China,Beijing 100085,China;Tianjin Geological Affairs Center,Tianjin 300041,China)

机构地区：[1]中国地震局地质研究所地震动力学国家重点实验室,北京100029 [2]国家自然科学基金委员会,北京100085 [3]天津市地质事务中心,天津300041

出　　处：《测绘通报》2022年第3期32-35,共4页Bulletin of Surveying and Mapping

基　　金：国家重点研发计划(2019YFC1509205)。

摘　　要：北斗卫星导航系统(BDS)于2020年建成并开始向全球提供服务。如何提高其在防灾减灾领域的应用是目前关注的焦点。本文梳理了国内外采用BDS数据开展地壳形变(包括同震和震间形变获取)研究的现状,总结了BDS数据的定位精度,归纳出基于BDS数据的地壳形变监测需要进一步解决、有待拓展的关键问题:(1)扩展GNSS地壳形变监测的内涵,采用GPS与BDS双模或多模算法提高形变解算精度;(2)开展BDS实时形变监测在地质灾害早期识别中的应用;(3)开发、发布相关数据处理算法与软件系统,切实推进BDS在高精度地壳形变监测领域的应用。BDS has been completed in 2020 and begins to provide services to the world.Here,we focus on its application in disaster prevention and mitigation.In this study,we present the application of BDS data in crustal deformation research,including monitoring coseismic and interseismic crustal deformation.We also summarize the positioning accuracy of BDS data.Besides,we summarize several key issues,which need to be further solved and expanded,regarding the application of BDS data in crustal deformation.First,in terms of expanding the connotation of GNSS in crustal deformation monitoring,a dual-mode or multi-mode algorithm incorporating both GPS and BeiDou is needed,to improve the positioning accuracy.Second,we need to carry out the application of BDS real-time deformation monitoring in the early identification of geological disasters.Third,we need to develop and publish data processing algorithms and software in order to promote the application of BDS in high-precision crustal deformation monitoring.

关 键 词：北斗卫星导航系统 定位精度 地壳形变 同震形变 震间形变 

分 类 号：P228[天文地球—大地测量学与测量工程]