摘要
应用河南省地质信息连续采集运行系统(HNGICS)开展郑汴洛地区的全球卫星导航系统(GNSS)地面沉降监测.监测网采用三级布设:一级网采用HNGICS基准站,作为监测基准网;二级网为地面沉降监测的基本网,采用B级GPS观测;三级网为地面沉降变形的监测网,采用C级GPS观测.利用GAMIT精密解算软件进行基线解算,获得高精度大地高数据,从而监测地面沉降的变化.将监测结果与水准监测资料对比,证实GNSS监测网的布设、外业观测和内业数据处理等方案可行,可为郑汴洛地区地面沉降和地裂缝的解释和减灾提供数据支持.
The ground settlement in Zheng-Bian-Luo area by Global Navigation Satellite System was monitored on the basis of Henan Geological Information Continuously Collecting and Operating System,the monitoring networks were distributed by three levels,the first networks used the base stations of Henan Geological Information Continuously Collecting and Operating System as monitoring reference networks,the secondary network was the basic monitoring network of ground settlement and used GPS of grade B to monitor,the thirdlevel network was the monitoring network for ground settlement and deformation,and used GPS of grade C to monitor,the baseline solution was done by the precision calculating software of GAMIT,the datum of high-precision geodetic height were obtained,then the variations of ground settlement was monitored. The monitoring results were compared with the level monitoring datum. It is verified that the schemes are feasible,such as the layout of monitoring networks of Global Navigation Satellite System,outdoor observation,the treatment of indoor datum,and so on,so the monitoring results provide datum to explain the settlement and the ground fissure in Zheng-Bian-Luo area,and to support the measures of disaster mitigation.
出处
《华北水利水电大学学报（自然科学版）》
2015年第1期51-54,共4页
Journal of North China University of Water Resources and Electric Power：Natural Science Edition
基金
中国地质调查局"中原城市群地质环境监测与评价"(12120110809049)
关键词
HNGICS
GNSS
地面沉降
监测技术
郑汴洛地区
Henan Geological Information Continuously Collecting and Operating System（HNGICS）
Global Navigation Satellite System（GNSS）
ground settlement
monitoring technology
Zheng-Bian-Luo area
