用三角测量和GPS数据分析保加利亚中西部的变形

IF 0.3 Q4 REMOTE SENSING Reports on Geodesy and Geoinformatics Pub Date : 2019-12-01 DOI:10.2478/rgg-2019-0009
N. Dimitrov
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引用次数: 2

摘要

摘要本文讨论了一种将全球卫星导航系统(GNSS)的结果与75年的三角测量结果相结合的方法来估计保加利亚中西部地区的地壳运动。根据1923-1930年期间保加利亚一级三角测量网的GNSS角度测量结果,对其进行了联合分析。经过GNSS和角度测量的处理,得到了15个点的水平速度、应变速率和旋转速率。结果表明:N-S扩展以1 ~ 2 mm/y的速率为主,变形在研究区域内分布不均匀;所得结果表明,利用一阶三角点的旧角度测量,结合GNSS数据,可以得到地壳水平运动的估计。
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Deformation analysis in central west Bulgaria using triangulation and GPS data
Abstract The article discusses a method applied for combining the results of Global Navigation Satellite Systems (GNSS) and 75-year old triangulation measurements to estimate the crustal movements in central western Bulgaria region. It was examined for joint analysis based on the results of GNSS with angular measurements of the first order triangulation network in Bulgaria during the period 1923–1930 year. As a result of the processing of GNSS and angular measurements, horizontal velocities of 15 points, strain rates, and rotation rates have been obtained. The results show dominating N–S extension at a rate of 1–2 mm/y and the deformation is not uniformly distributed over the studied area. The obtained results indicate the possibility of using old angular measurement of first-order triangulation points, together with GNSS data, to obtain estimates of the horizontal crustal movements.
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自引率
28.60%
发文量
5
审稿时长
12 weeks
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