Arid
DOI10.1016/j.jog.2018.01.003
NChina16: A stable geodetic reference frame for geological hazard studies in North China
Wang, Guoquan1; Bao, Yan2; Gan, Weijun3; Geng, Jianghui4; Xiao, Gengru5; Shen, Jack S.6
通讯作者Bao, Yan
来源期刊JOURNAL OF GEODYNAMICS
ISSN0264-3707
出版年2018
卷号115页码:10-22
英文摘要

We have developed a stable North China Reference Frame 2016 (NChina16) using five years of continuous GPS observations (2011.8-2016.8) from 12 continuously operating reference stations (CORS) fixed to the North China Craton. Applications of NChina16 in landslide and subsidence studies are illustrated in this article. A method for realizing a regional geodetic reference frame is introduced. The primary result of this study is the seven parameters for transforming Cartesian ECEF (Earth-Centered, Earth-Fixed) coordinates X, Y, and Z from the International GNSS Service Reference Frame 2008 (IGS08) to NChina16. The seven parameters include the epoch that is used to align the regional reference frame to IGS08 and the time derivatives of three translations and three rotations. The GIPSY-OASIS (V6.4) software package was used to obtain the precise point positioning (PPP) daily solutions with respect to IGS08. The frame stability of NChina16 is approximately 0.5 mm/year in both horizontal and vertical directions. This study also developed a regional model for correcting seasonal motions superimposed into the vertical component of the GPS-derived displacement time series. Long-term GPS observations (1999-2016) from five CORS in North China were used to develop the seasonal model. According to this study, the PPP daily solutions with respect to NChina16 could achieve 2-3 mm horizontal accuracy and 4-5 mm vertical accuracy after being modified by the regional model. NChina16 will be critical to study geodynamic problems in North China, such as earthquakes, faulting, subsidence, and landslides. The regional reference frame will be periodically updated every few years to mitigate degradation of the frame with time and be synchronized with the update of IGS reference frame.


英文关键词GPS Landslide North China Regional reference frame Subsidence Transformation
类型Article
语种英语
国家USA ; Peoples R China
收录类别SCI-E
WOS记录号WOS:000428104000002
WOS关键词TERRESTRIAL REFERENCE FRAME ; LAND SUBSIDENCE ; PUERTO-RICO ; CRUSTAL DEFORMATION ; GROUND DEFORMATION ; TIME-SERIES ; GPS DATA ; INFRASTRUCTURE ; ACCURACY ; EARTHQUAKE
WOS类目Geochemistry & Geophysics
WOS研究方向Geochemistry & Geophysics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/210934
作者单位1.Univ Houston, Dept Earth & Atmospher Sci, Houston, TX 77204 USA;
2.Beijing Univ Technol, Beijing Collaborat Innovat Ctr Metropolitan Trans, Beijing 100124, Peoples R China;
3.China Earthquake Adm, Inst Geol, State Key Lab Earthquake Dynam, Beijing 100029, Peoples R China;
4.Wuhan Univ, GNSS Res Ctr, Wuhan 430079, Hubei, Peoples R China;
5.East China Univ Technol, Key Lab Digital Land & Resources Jiangxi Prov, Nanchang 330013, Jiangxi, Peoples R China;
6.Shanghai Jiao Tong Univ, Dept Civil Engn, Shanghai 200240, Peoples R China
推荐引用方式
GB/T 7714
Wang, Guoquan,Bao, Yan,Gan, Weijun,et al. NChina16: A stable geodetic reference frame for geological hazard studies in North China[J],2018,115:10-22.
APA Wang, Guoquan,Bao, Yan,Gan, Weijun,Geng, Jianghui,Xiao, Gengru,&Shen, Jack S..(2018).NChina16: A stable geodetic reference frame for geological hazard studies in North China.JOURNAL OF GEODYNAMICS,115,10-22.
MLA Wang, Guoquan,et al."NChina16: A stable geodetic reference frame for geological hazard studies in North China".JOURNAL OF GEODYNAMICS 115(2018):10-22.
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