REFAG 2014 : Proceedings of the IAG Commission 1 Symposium Kirchberg, Luxembourg, 13–17 October, 2014

This book series is composed of peer-reviewed proceedings of selected symposia organized by the International Association of Geodesy. It deals primarily with topics related to Geodesy as applied to the Earth Sciences : terrestrial reference frame, Earth gravity field, Geodynamics and Earth rotation, Positioning and engineering applications. Front Matter....Pages i-xii The Helmert Transformation Approach in Network Densification Revisited....Pages 3-9 A Study on the Impact of Reference Frame Implementation Strategy on GNSS Time Series for Regional Network Analysis....Pages 11-20 Validation of Components of Local Ties....Pages 21-28 Combination of Space Geodetic Techniques on the Observation Level with c5++: Common Nuisance Parameters and Data Weighting....Pages 31-37 The Processing of Single Differenced GNSS Data with VLBI Software....Pages 39-46 IVS Contribution to ITRF2014....Pages 47-52 Antenna Axis Offsets and Their Impact on VLBI Derived Reference Frames....Pages 53-58 Scheduling VLBI Observations to Satellites with VieVS....Pages 59-64 Refined Tropospheric Delay Models for CONT11....Pages 65-69 Loading-Induced Deformation Due to Atmosphere, Ocean and Hydrology: Model Comparisons and the Impact on Global SLR, VLBI and GNSS Solutions....Pages 71-77 The International Mass Loading Service....Pages 79-83 Pre-combined GNSS-SLR Solutions: What Could be the Benefit for the ITRF?....Pages 85-94 GGOS-SIM: Simulation of the Reference Frame for the Global Geodetic Observing System....Pages 95-100 Overview of the ILRS Contribution to the Development of ITRF2013....Pages 101-108 A Spatial Analysis of Global Navigation Satellite System Stations Within the Context of the African Geodetic Reference Frame....Pages 111-118 The Development of a Station Coordinate Estimation Program to Model Time Series from Continuous GPS Stations in New Zealand....Pages 119-127 Results from the Regional AUSTRAL VLBI Sessions for Southern Hemisphere Reference Frames....Pages 129-134 Implementation of the ETRS89 in Europe: Current Status and Challenges....Pages 135-145 Defining a Local Reference Frame Using a Plate Motion Model and Deformation Model....Pages 147-154 A Development of the Russian Geodetic Reference Network....Pages 155-159 Weighted vs. Unweighted MCs for the Datum Definition in Regional Networks....Pages 161-169 Is Nubia Plate Rigid? A Geodetic Study of the Relative Motion of Different Cratonic Areas Within Africa....Pages 171-180 How Consistent are The Current Conventional Celestial and Terrestrial Reference Frames and The Conventional Earth Orientation Parameters?....Pages 183-189 The Effects of Simulated and Observed Quasar Structure on the VLBI Reference Frame....Pages 191-199 Towards Improved Lunar Reference Frames: LRO Orbit Determination....Pages 201-207 Terrestrial Reference Frame Requirements for Studies of Geodynamics and Climate Change....Pages 209-216 The Phase 2 North America Land Data Assimilation System (NLDAS-2) Products for Modeling Water Storage Displacements for Plate Boundary Observatory GPS Stations....Pages 217-225 Non-parametric Estimation of Seasonal Variations in GPS-Derived Time Series....Pages 227-233 A Two-Frame National Geospatial Reference System Accounting for Geodynamics....Pages 235-242 Back Matter....Pages 243-246