First Results of the CMONOC
GNSS Network
Junping Chen Bin Wu, Shuhua Ye,
Shanghai Astronomical Observatory
junping@shao.ac.cn
www.shao.ac.cn/shao_gnss_ac
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AOGS 2012, Singapore, Aug 13-17, 2012
Content
CMONOC Network
GNSS Analysis Center at SHAO
GNSS Results
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CMONOC network
Crustal Movement Observation Network of China
Motivation:
Tectonic & Geodynamic
Earthquake monitoring & Alert
Natural hazards
Geodesy
Military surveying
Civil use
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CMONOC network
Crustal Movement Observation Network of China
Pioneer project, Phase I: since 1997
VLBI: 3
SLR: 5
GNSS: ~31 continuous + >1000 campaign sites
Follow-on, Phase II: since 2008
VLBI: 3+1
SLR: 7
Gravity Stations:
30 Permanent Relative+ ~ 100 Campaign Absolute
GNSS:~260 continuous + > 2000 campaign sites
In addition, more than 300 local CORS GNSS stations
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Chinese VLBI network
•Sheshan(SHAO):25m
•Urumqi:25m
•Kunming:40m
•Beijing:50m
•Sheshan, Urumqi
contribute to IVS
•Data analysis center
located at SHAO
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Wang G. SHAO
Distribution of the Chinese SLR station
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Zhang Z. SHAO
CMONOC GNSS network
CMONOC network analyzed at SHAO
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CMONOC GNSS network
CMONOC network analyzed at SHAO
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SHA: GNSS data analysis at SHAO
http://www.shao.ac.cn/shao_gnss_ac
Infrastructure
Data and Analysis Center for CMONOC network:
Daily routine for global GNSS network + CMONOC
(Crustal Movement Observation Network of China)
Service
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GPS/GLONASS Network
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GNSS network analyzed at SHAO
Products of SHA: e.g. GNSS orbits
GNSS Orbits
GPS+GLONASS
Compared to IGS
<2 cm for GPS; <5 cm for GLONASS
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Products of SHA: e.g. GNSS clocks
GNSS clocks: 30 seconds
GPS+GLONASS
Compared to IGS
<0.05 ns for GPS; <0.15 ns for GLONASS
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GNSS Results
Tectonic study
Coordinates time series
Velocity field
Events Monitoring
Troposphere
Ionosphere
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Coordinate time series
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PPP results from year 1999 to date
Velocity field
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Based on 4 month data; whole map (>200 stations, longer
than 1 year ) to be released
Events monitoring
Coseismic monitoring
2008,05,12, Mw 7.9 Wenchuan earthquake in Sichuan Province,China
Kinematic solution (a set of coordinates at each 1 second)
Station XANY,~600 km from epicenter
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Events monitoring
Atmosphere monitoring (Rainfall)
Real-time epoch-wise analysis to derive Troposphere
parameters
Modeling of Troposphere parameters
Evaluation of the derived models
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Events monitoring
Atmosphere monitoring (Rainfall)
Real-time epoch-wise analysis to derive Troposphere
parameters
Modeling of Troposphere parameters
Evaluation of the derived models
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Events monitoring
Atmosphere monitoring (Rainfall)
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Events monitoring
Atmosphere monitoring (Tomography)
GPS Satellite
xi
ai
Reciever
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Events monitoring
Atmosphere monitoring (Storm)
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Events monitoring
Atmosphere maps(Ionosphere)
Real-time epoch-wise analysis to derive Ionosphere
parameters
Modeling of Ionosphere parameters
Densification of Ionosphere model
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Events monitoring
Atmosphere maps(Ionosphere)
Real-time epoch-wise analysis to derive Ionosphere
parameters
Modeling of Ionosphere parameters
Densification of Ionosphere model
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Events monitoring
Atmosphere maps(Ionosphere)
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Events monitoring
Atmosphere maps(Ionosphere)
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Events monitoring
Atmosphere maps(Ionosphere)
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SHA: GNSS data analysis at SHAO
http://www.shao.ac.cn/shao_gnss_ac
Routine CMONOC Data Analysis
Time series for all stations
Towards real-time monitoring
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SHA: GNSS data analysis at SHAO
http://www.shao.ac.cn/shao_gnss_ac
Routine CMONOC Data Analysis
Time series for all stations
Towards real-time monitoring
Thank you for your attention!
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