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作者:

Bao, Yan (Bao, Yan.) | Yu, Xiao (Yu, Xiao.) | Wang, Guoquan (Wang, Guoquan.) | Zhou, Haijun (Zhou, Haijun.) | Ding, Xiaoguang (Ding, Xiaoguang.) | Xiao, Genru (Xiao, Genru.) | Shen, Shuilong (Shen, Shuilong.) | Zhao, Ruibin (Zhao, Ruibin.) | Gan, Weijun (Gan, Weijun.)

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SCIE

摘要:

We have established a stable regional geodetic reference frame, designated as SChina20, using approximately 10-year observations (2010-2019) at 40 Global Navigation Satellite System (GNSS) sites in South China. The regional reference frame is tied to the International GNSS Service (IGS) Reference Frame 2014 (IGS14) at epoch 2020.0. The primary products from this study are seven parameters for transforming the positional time series from IGS14 to SChina20 and a seasonal model for predicting vertical land surface displacements in South China. The frame stability of SChina20 is 0.4 mm/year in all three directions. We suggest that the scope of usage of SChina20 is spatially limited to the South China region and temporally limited to the 25-year time window from 2000 to 2025. We have also established a local-scale reference frame for the Hong Kong-Zhuhai-Macau (HZM) area, designated as HZM20. Applications of SChina20 in delineating urban subsidence and landslide are demonstrated in this article. SChina20 will be updated every few years to mitigate degradation of the frame stability over time and to synchronize with future updates of the IGS reference frame.

关键词:

Global navigation satellite systems (GNSS) Global positioning system (GPS) Regional reference frame Seasonal ground motion Site velocity South China

作者机构:

  • [ 1 ] [Bao, Yan]Beijing Univ Technol, Key Lab Urban Secur & Disaster Engn, Minist Educ, Beijing 100124, Peoples R China
  • [ 2 ] [Yu, Xiao]Univ Houston, Dept Earth & Atmospher Sci, Houston, TX 77204 USA
  • [ 3 ] [Wang, Guoquan]Univ Houston, Dept Earth & Atmospher Sci, Houston, TX 77204 USA
  • [ 4 ] [Zhou, Haijun]Shenzhen Univ, Inst Urban Smart Transportat & Safety Maintenance, Shenzhen 518060, Peoples R China
  • [ 5 ] [Ding, Xiaoguang]Shaanxi Earthquake Agcy, 4 Shuiwen Rd, Xian 710068, Peoples R China
  • [ 6 ] [Xiao, Genru]East China Univ Technol, Key Lab Digital Land & Resources Jiangxi Prov, Nanchang 330013, Jiangxi, Peoples R China
  • [ 7 ] [Shen, Shuilong]Shantou Univ, Key Lab Intelligent Mfg Technol, Minist Educ, Shantou 515063, Guangdong, Peoples R China
  • [ 8 ] [Zhao, Ruibin]Tianjin Chengjian Univ, Sch Geol & Geomat, Tianjin 300384, Peoples R China
  • [ 9 ] [Gan, Weijun]China Earthquake Adm, State Key Lab Earthquake Dynam, Inst Geol, Beijing 100029, Peoples R China

通讯作者信息:

  • 王国权

    [Wang, Guoquan]Univ Houston, Dept Earth & Atmospher Sci, Houston, TX 77204 USA

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来源 :

JOURNAL OF SURVEYING ENGINEERING

ISSN: 0733-9453

年份: 2021

期: 3

卷: 147

1 . 9 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:9

被引次数:

WoS核心集被引频次: 8

SCOPUS被引频次: 10

ESI高被引论文在榜: 0 展开所有

万方被引频次:

中文被引频次:

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