1 First Results of the CMONOC GNSS Network
- Slides: 28
中科院上海天文台 1 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 AOGS 2012, Singapore, Aug 13 -17, 2012
Content 中科院上海天文台 2 ØCMONOC Network ØGNSS Analysis Center at SHAO ØGNSS Results
CMONOC network 中科院上海天文台 3 Crustal Movement Observation Network of China Motivation: ØTectonic & Geodynamic ØEarthquake monitoring & Alert ØNatural hazards ØGeodesy ØMilitary surveying ØCivil use
CMONOC network Crustal Movement Observation Network of China 中科院上海天文台 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 4
Chinese VLBI network • Sheshan(SHAO): 25 m • Urumqi: 25 m • Kunming: 40 m • Beijing: 50 m • Sheshan, Urumqi contribute to IVS • Data analysis center located at SHAO 5 Wang G. SHAO
Distribution of the Chinese SLR station 中科院上海天文台 6 Zhang Z. SHAO
CMONOC GNSS network 中科院上海天文台 CMONOC network analyzed at SHAO 7
CMONOC GNSS network 中科院上海天文台 CMONOC network analyzed at SHAO 8
SHA: GNSS data analysis at SHAO 中科院上海天文台 9 http: //www. shao. ac. cn/shao_gnss_ac ØInfrastructure ØData and Analysis Center for CMONOC network: Daily routine for global GNSS network + CMONOC (Crustal Movement Observation Network of China) ØService
GPS/GLONASS Network 中科院上海天文台 10 GNSS network analyzed at SHAO
Products of SHA: e. g. GNSS orbits 中科院上海天文台 11 GNSS Orbits ØGPS+GLONASS ØCompared to IGS Ø<2 cm for GPS; <5 cm for GLONASS
Products of SHA: e. g. GNSS clocks 中科院上海天文台 12 GNSS clocks: 30 seconds ØGPS+GLONASS ØCompared to IGS Ø<0. 05 ns for GPS; <0. 15 ns for GLONASS
GNSS Results 中科院上海天文台 13 ØTectonic study ØCoordinates time series ØVelocity field ØEvents Monitoring ØTroposphere ØIonosphere
Coordinate time series 中科院上海天文台 14 PPP results from year 1999 to date
Velocity field 中科院上海天文台 15 Based on 4 month data; whole map (>200 stations, longer than 1 year ) to be released
Events monitoring Coseismic monitoring 中科院上海天文台 16 § 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
Events monitoring Atmosphere monitoring (Rainfall) 中科院上海天文台 17 §Real-time epoch-wise analysis to derive Troposphere parameters §Modeling of Troposphere parameters §Evaluation of the derived models
Events monitoring Atmosphere monitoring (Rainfall) 中科院上海天文台 18 §Real-time epoch-wise analysis to derive Troposphere parameters §Modeling of Troposphere parameters §Evaluation of the derived models
Events monitoring Atmosphere monitoring (Rainfall) 中科院上海天文台 19
Events monitoring Atmosphere monitoring (Tomography) 中科院上海天文台 20
Events monitoring Atmosphere monitoring (Storm) 中科院上海天文台 21
Events monitoring Atmosphere maps(Ionosphere) 中科院上海天文台 22 §Real-time epoch-wise analysis to derive Ionosphere parameters §Modeling of Ionosphere parameters §Densification of Ionosphere model
Events monitoring Atmosphere maps(Ionosphere) 中科院上海天文台 23 §Real-time epoch-wise analysis to derive Ionosphere parameters §Modeling of Ionosphere parameters §Densification of Ionosphere model
Events monitoring Atmosphere maps(Ionosphere) 中科院上海天文台 24
Events monitoring Atmosphere maps(Ionosphere) 中科院上海天文台 25
Events monitoring Atmosphere maps(Ionosphere) 中科院上海天文台 26
SHA: GNSS data analysis at SHAO 中科院上海天文台 27 http: //www. shao. ac. cn/shao_gnss_ac ØRoutine CMONOC Data Analysis ØTime series for all stations ØTowards real-time monitoring
SHA: GNSS data analysis at SHAO 中科院上海天文台 http: //www. shao. ac. cn/shao_gnss_ac ØRoutine CMONOC Data Analysis ØTime series for all stations ØTowards real-time monitoring Thank you for your attention! 28
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