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GPS连续站监测天津市地面沉降的初步结果

Modern Surveying and Mapping(2009)

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Abstract
本文简述了天津市12个GPS连续站高程方向的高精度数据处理方法,得到了一年多的高程时间序列图,反映了年度内地面沉降的动态信息,得到的地面沉降趋势与水准监测结果一致。最后的分析认为在一定条件下GPS连续观测站比水准监测的精度高,可以结合动态水准网平差来确定天津市的地面沉降。
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Key words
Global Positioning System,Data processing,Vertical movement,Height series,Land subsidence
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