Keywords:
Physical geography.
;
Electronic books.
Type of Medium:
Online Resource
Pages:
1 online resource (235 pages)
Edition:
1st ed.
ISBN:
9783319456294
Series Statement:
International Association of Geodesy Symposia Series ; v.146
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=4840981
DDC:
526.1
Language:
English
Note:
Intro -- Preface -- Contents -- Part I Theory and Concepts -- The Helmert Transformation Approach in Network Densification Revisited -- 1 Introduction -- 2 HT-Based Network Mapping to a Target Reference Frame -- 3 Comparison of the CNA and HT-Based Estimators in Network Densification -- 4 The Analytic Proof of Eq. (12) -- 5 Conclusions -- References -- A Study on the Impact of Reference Frame Implementation Strategy on GNSS Time Series for Regional Network Analysis -- 1 Introduction -- 2 Standard, IGS Aligned and Stacking Solution for Coordinate Time Series -- 3 Comparison of the Derived Solutions -- 4 Conclusions -- References -- Validation of Components of Local Ties -- 1 Introduction -- 2 Strategy -- 2.1 Data -- 2.2 Single-Technique Solutions -- 2.3 Inter-Technique Solution -- 3 Results -- 4 Discussion and Conclusion -- References -- Part II Geodetic Measurement Techniques -- Combination of Space Geodetic Techniques on the Observation Level with c5++: Common Nuisance Parameters and Data Weighting -- 1 Introduction -- 2 Combination on the Observation Level with c5++ -- 2.1 Common Parameters -- 2.2 Variance Component Estimation -- 3 Combination of GPS and VLBI on the Observation Level During CONT11 -- 3.1 Results -- 3.2 Troposphere Ties -- 3.3 Clock Ties -- 3.4 Interpretation of the Obtained Variance Components -- 4 Discussion and Outlook -- References -- The Processing of Single Differenced GNSS Data with VLBI Software -- 1 Introduction -- 2 A Global Network -- 3 VieVS for VLBI Observations to GNSS Satellites -- 4 Data and Analysis -- 5 Conclusions -- References -- IVS Contribution to ITRF2014 -- 1 Introduction -- 2 Data and Combination Strategy -- 3 Preliminary Results -- 4 Station Coordinates and VLBI TRF -- 5 Earth Orientation Parameters -- 6 Conclusion and Outlook -- References.
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Antenna Axis Offsets and Their Impact on VLBI Derived Reference Frames -- 1 Introduction -- 2 Data Analysis -- 3 Results -- 3.1 Axis Offsets -- 3.2 Terrestrial Reference Frame -- 3.3 Celestial Reference Frame -- 4 Conclusions -- References -- Scheduling VLBI Observations to Satellites with VieVS -- 1 Introduction -- 2 Scheduling of VLBI Satellite Observations -- 2.1 Introduction to Scheduling -- 2.2 Framework Conditions for Satellite Scheduling -- 3 VieVS Satellite Scheduling Module -- 3.1 Conditions for a Valid Satellite Scan -- 3.2 Satellite Orbit Prediction -- 3.3 Program Workflow -- 3.4 Implementation of Satellite Tracking -- 4 Satellite Observation Experiments -- 5 Summary and Outlook -- References -- Refined Tropospheric Delay Models for CONT11 -- 1 Introduction -- 2 Calculation of New Mapping Function Coefficients -- 3 Horizontal Gradients -- 4 Conclusions -- References -- Loading-Induced Deformation Due to Atmosphere, Ocean and Hydrology: Model Comparisons and the Impact on Global SLR, VLBI and GNSS Solutions -- 1 Introduction -- 2 Geophysical Fluid Models -- 2.1 Background -- 2.2 Model Comparisons -- 3 SLR, GNSS and VLBI Processing -- 4 Results -- 4.1 Station Coordinates -- 4.2 Earth Orientation Parameters -- 4.3 Geocenter Coordinates -- 5 Summary and Conclusions -- References -- The International Mass Loading Service -- 1 Introduction -- 2 The Use of High Resolution Models for Loading Computation -- 3 Mass Redistribution Models -- 4 Processing Pipeline -- 5 Validation -- 6 Using the International Mass Loading Service -- 7 Summary -- References -- Pre-combined GNSS-SLR Solutions: What Could be the Benefit for the ITRF? -- 1 Introduction -- 2 Observations Available for GNSS-SLR Space Ties -- 3 Procedure for Pre-combined GNSS-SLR Solutions -- 4 Combination Results -- 4.1 Local Ties in a Multi-year Solution.
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4.2 Space Ties from Multi-year Solution and Their Impact on the Scale -- 5 Conclusions and Outlook -- References -- GGOS-SIM: Simulation of the Reference Frame for the Global Geodetic Observing System -- 1 Introduction -- 2 Tasks and Objectives of the GGOS-SIM Project -- 3 On the Combination of Space Geodetic Techniques -- 4 The Assessment of the TRF by an Alternative Methodology -- 5 Summary -- References -- Overview of the ILRS Contribution to the Development of ITRF2013 -- 1 Introduction -- 2 Individual Solutions -- 3 ILRSA Intra-Technique Combination -- 4 ILRSA Assessment -- 5 Conclusion -- References -- Part III Regional Reference Frames -- A Spatial Analysis of Global Navigation Satellite System Stations Within the Context of the African Geodetic Reference Frame -- 1 Introduction -- 2 Theory and Background -- 2.1 ITRF and IGS -- 2.2 AFREF -- 2.3 Voronoi Diagrams Theory -- 3 Research Methodology -- 4 Results and Discussion -- 5 Conclusions and Recommendations -- References -- The Development of a Station Coordinate Estimation Program to Model Time Series from Continuous GPS Stations in New Zealand -- 1 Introduction -- 2 Post-seismic Deformation -- 3 Slow-Slip Events -- 4 Station Predictive Model -- 5 Fit of GNSS Time Series -- 6 GNSS Data -- 7 Modelling Time Dependent Processes -- 8 Discussion -- 9 Conclusions -- References -- Results from the Regional AUSTRAL VLBI Sessions for Southern Hemisphere Reference Frames -- 1 Introduction -- 2 The AUSTRAL Observing Program -- 2.1 Pre-VGOS Scheduling -- 2.2 Improved Scheduling -- 3 Results -- 3.1 Steady Improvements -- 3.2 Astrometry -- 4 Summary and Outlook -- References -- Implementation of the ETRS89 in Europe: Current Status and Challenges -- 1 Background -- 2 Implementation of the ETRS89 -- 2.1 EUREF Permanent Network -- 2.2 Site Categorization -- 3 Challenges -- 3.1 Introduction -- 3.2 Sweden.
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3.3 Greece -- 4 EUREF Strategy -- 4.1 EPN Densification -- 4.2 EUREF Working Group on "Deformation Models" -- 5 Summary -- References -- Defining a Local Reference Frame Using a Plate Motion Model and Deformation Model -- 1 Introduction -- 2 Plate Motion Models -- 3 Residual Deformation Models -- 4 Australian Case-Study: Stable Australian Plate Reference Frame (SAPRF) -- 5 Application of SAPRF2014 in Practice -- 6 Conclusion -- References -- A Development of the Russian Geodetic Reference Network -- 1 Introduction -- 2 Geodetic Reference System GSC-11 -- 3 Geocentric Global Coordinate System PZ-90.11 -- 4 Processing of the GPS and GLONASS Data -- 5 Summary -- References -- Weighted vs. Unweighted MCs for the Datum Definition in Regional Networks -- 1 Introduction -- 2 Weighted MCs in Network Adjustment -- 3 Numerical Tests -- 3.1 SIRGAS Network -- 3.2 Hellenic Network -- 4 Conclusions -- References -- Is Nubia Plate Rigid? A Geodetic Study of the Relative Motion of Different Cratonic Areas Within Africa -- 1 Introduction -- 2 Data Acquisition and Processing -- 3 Rigid Block Motion -- 3.1 West Region Euler Vector -- 3.2 Central Region Euler Vector -- 3.3 South Region Euler Vector -- 4 Combined Euler Vectors -- 4.1 West-Central Region Euler Vector -- 4.2 South-Central Region Euler Vector -- 4.3 Nubia Euler Vector -- 5 Comparison of Euler Vectors -- 6 Annual Signal Amplitude -- 7 Noise Power Spectrum -- 8 Discussion and Conclusions -- A.1 Electronic Supplementary Material -- References -- Part IV Celestial to Terrestrial Frame Transformations -- How Consistent are The Current Conventional Celestial and Terrestrial Reference Frames and The Conventional Earth Orientation Parameters? -- 1 Definition -- 1.1 ICRF Orientation and EOP -- 1.2 ITRF Orientation and EOP -- 2 Consistency Among Reference Frames and EOP -- 2.1 VLBI Data and Data Analysis.
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2.2 EOP Theory and Realization Through IERS 08 C04 -- 2.3 Consistency Assessment -- 3 Summary, Discussion and Conclusions -- References -- The Effects of Simulated and Observed Quasar Structure on the VLBI Reference Frame -- 1 Introduction -- 2 Source Structure Simulator -- 3 Effects of Quasar Structure -- 3.1 Terrestrial Reference Frame -- 3.2 Celestial Reference Frame -- 4 Mitigation Strategies -- 4.1 Structure Corrections -- 4.2 Quasar Variability -- 4.3 Scheduling with Respect to Source Structure -- 4.4 Structure-Dependent Weighting in Analysis -- 4.5 Re-parametrization of Source Positions -- References -- Towards Improved Lunar Reference Frames: LRO Orbit Determination -- 1 Introduction -- 2 Orbit Determination Strategy -- 3 Orbit Determination Results -- 4 Locating the Apollo 15 Laser Reflector -- 5 Conclusions -- References -- Part V Usage and Applications of Reference Frames in Geosciences -- Terrestrial Reference Frame Requirements for Studies of Geodynamics and Climate Change -- 1 Introduction -- 2 Terrestrial Reference Frame Characteristics That Have User Demands -- 2.1 The Associated Reference System -- 2.2 Reference Frame Definition and Inheritance -- 2.3 Realization -- 2.4 Spatial Coverage -- 2.5 Temporal Coverage -- 2.6 Quality -- 2.7 Life Cycle -- 3 Scientific User Demands: The Example of Sea Level Rise -- 4 Conclusions -- References -- The Phase 2 North America Land Data Assimilation System (NLDAS-2) Products for Modeling Water Storage Displacements for Plate Boundary Observatory GPS Stations -- 1 Introduction -- 2 Data Processing -- 2.1 Farrell's Green's Function Approach -- 2.2 Data Description -- 2.2.1 Water Storage Model -- 2.2.2 GPS Data -- 3 Results -- 4 Comparison of GLDAS and NLDAS-2 Noah Models -- 5 Conclusions -- References -- Non-parametric Estimation of Seasonal Variations in GPS-Derived Time Series -- 1 Introduction.
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2 Data.
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