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| 引用本文： | 高艳龙,郑智江,韩月萍,付黎明,陈阜超.GNSS????????????????????е????[J].大地测量与地球动力学,2012,32(5):22-26. |
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| 作者姓名： | 高艳龙 郑智江 韩月萍 付黎明 陈阜超 |
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| 作者单位： | 中国地震局第一监测中心,天津,300180 |
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| 基金项目： | 中国地震局地震研究所所长基金(IS201166003) |
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| 摘 要： | ????????????????????????е???????????????????????????????????????????????????CORS???????е??????????仯?????????????????????????????仯????????????????????????????????????????÷????????
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| 关 键 词： | ?????????? CORS? ?????? ??????? ?????? |
APLICATION OF CORS OF GNSS IN LAND SUBSIDENCE MONITORING IN TIANJIN |
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| Gao Yanlong,Zheng Zhijiang,Han Yueping,Fu Lming and Chen Fuchao.APLICATION OF CORS OF GNSS IN LAND SUBSIDENCE MONITORING IN TIANJIN[J].Journal of Geodesy and Geodynamics,2012,32(5):22-26. |
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| Authors: | Gao Yanlong Zheng Zhijiang Han Yueping Fu Lming and Chen Fuchao |
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| Institution: | (First Crust Monitoring and Application Center,CEA,Tianjin 300180) |
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| Abstract: | The difficulties and uncertainties caused by reference datum changes in land subsidence estimation are discussed. In order to solve the difficulty,the method in which the velocity datum is determined by the observed elevation variations time series combined with the repeated leveling data at several GNSS stations is presented. Some practical examples are given for the comparison between this method and the traditional one,it is proved that the new method has some advantages.On the basis of these results, some recommendations about the land subsidence monitoring and the evaluation method in the Tianjin area are proposed. These recommendations may have some helps for land subsidence monitoring and evaluation in other similar areas. |
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| Keywords: | land subsidence monitoring CORS(continuously operating reference station) elevation component time series velocity datum |
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