5th Symposium on Terrestrial Gravimetry: Static and Mobile Measurements (TG-SMM 2019): Proceedings of the Symposium in Saint Petersburg, Russia, October 1 – 4, 2019

Description

This open access volume contains the proceedings of the 5th Symposium on Terrestrial Gravimetry: Static and Mobile Measurements (TG-SMM2019) held in St. Petersburg, Russia, October 1 – 4, 2019. The symposium was hosted by the State Research Center of the Russian Federation Concern CSRI Elektropribor, JSC and was attended by 75 participants from 15 different countries. 32 oral and 20 poster contributions were presented in four different topical sessions: Terrestrial, shipboard and airborne gravimetry, Absolute gravimetry, Relative gravimetry, gravity networks and applications of gravimetry and Cold atom and superconducting gravimeters, gravitational experiments. Preface Contents Part I Terrestrial, Shipboard and Airborne Gravimetry Measurement of Absolute Gravity and Deflections of the Vertical at Sea 1 Introduction 2 Principles of Measuring the Absolute Values of Gravity and DOV at Sea 3 Integrated System Operation Methodology 4 Integrated System Breadboard 5 Results of the Bench Tests 6 Results of the Sea Trials 7 Conclusions References Multi-Scenario Evaluation of the Direct Method in Strapdown Airborne and Shipborne Gravimetry 1 Introduction 2 Processing Approaches in Strapdown Gravimetry 3 Chekan-AM Data Processing at GFZ 4 Investigated Airborne and Shipborne Strapdown Gravimetry Campaigns 5 Strapdown Results 6 Comparison to Chekan-AM Results 7 Conclusions References Improving Gravity Estimation Accuracy for the GT-2A Airborne Gravimeter Using Spline-Based Gravity Models 1 Introduction 2 Gravity Estimation Methodology 3 Modeling Gravity Along Repeat Lines Using B-Splines 4 Results 5 Discussion 6 Conclusions References Gravimetric Studies in the Sea of Japan 1 Introduction 2 Marine Gravimetric Studies 3 Results 4 Conclusion References About Identification of Instrument Error Parameters for a Gravity Gradiometer 1 Introduction 2 Model of Instrumental Errors of the Gradiometer 3 Calibration Algorithm 3.1 Case of Fixed Point 3.2 The Usage of a Stand of Linear Movement 4 Conclusion References Numerical Model of Moving-Base Rotating Accelerometer Gravity Gradiometer 1 Introduction 2 RAGG Numerical Model 3 Multi-frequency Gravitational Gradient Simulation Experiment 4 Conclusion References New Algorithm for Gravity Vector Estimation from Airborne Data Using Spherical Scaling Functions 1 Introduction 2 Airborne Vector Gravimetry Equations 3 Local Gravity Model and Estimation Algorithm 4 Results 5 Discussion and Conclusions References Results of Astro-Measurements of the Deflection of Vertical Using the New Observation Technique 1 Introduction 2 New Proposed Technique 3 Model of the Proposed Technique 4 Research of a New Technique 4.1 Research of Change of the Calibration Coefficients 4.2 Research of the Influence of the Choice of Methods for Processing Observational Data on the Accuracy of DOV 4.3 Measurement Model with an DZCS 4.4 Test Results 5 Summary and Conclusions References Observations with gPhone Gravimeter in Moscow 1 Introduction 2 Data Pre-Processing 3 Tidal Analysis 4 Atmospheric Loading Effects 5 Conclusions References Part II Absolute Gravimetry On Uncertainties of Laser Interferometric Absolute Ballistic Gravimeters Due to Magnetic Effects in the Free-Fall Gravity Measurements 1 Introduction 2 Operation Principle of the ABG Grot 3 Physical Premises for the Uncertainties Arising in the Presence of MF 4 Equation for the Motion of the TB 5 Results 6 Discussion of the Results References Evaluation of Systematic Errors in the Compact Absolute Gravimeter TAG-1 for Network Monitoring of Volcanic Activities 1 Introduction 2 Gravity Change Associated with Volcanic Activities 3 TAG-1 Gravimeter 4 Observation Using a Conventional 633-nm Laser and a Telecom Band (1.5 m) Laser 5 Systematic Error Evaluation of the PDs 6 Conclusions References Design of New Launch and Interferometer Systems for the IMGC-02 Absolute Gravimeter 1 Introduction 2 The Launch System 3 The Interferometer System 4 Conclusions References Twelve Years of High Frequency Absolute Gravity Measurements at the UK's Space Geodesy Facility: Systematic Signals and Comparison with SLR Heights 1 Introduction 2 Site Information 3 Hydrology 4 Interpretation of the Time Series 5 Campaign Simulation 5.1 AG vs SLR Heights 6 Conclusion References Part III Relative Gravimetry and Applications Studying the Evolution of Resolution Capabilities and Approximation Accuracy of Global Models by Spectral Characteristics 1 Introduction 1.1 Theoretical Part 2 Conclusions. Interpretation References The Role of Non-tidal Atmospheric Loading in the Task of Gravity Field Estimation by Inter-Satellite Measurements 1 Introduction 2 Non-tidal Atmospheric Loading 3 Estimation of Monthly Gravity Filed Models 4 Results 5 Conclusions References Formation of Self-consistent Navigational Gravity Maps of Local Areas and Joint Assessment of Their Navigation Quality 1 Introduction 2 Optimization of Projects for Primary Measurements in the Creation of Maps 3 Methods for Solving the Problem of Creating Maps 4 Estimation of the Navigation Quality of the Navigation Field 5 Conclusion References Methods of Bistatic GNSS-Radio Altimetry for Determining Height Profile of the Ocean and Their Experimental Verification 1 Introduction 2 Ways to Improve the Accuracy of Altimetry 3 Operating Principle 4 Methods of Bistatic GNSS-Altimetry 5 Experimental Verification of the Methods 6 Summary and Conclusions References Absolute and Relative Gravity Measurements at Volcanoes: Current State and New Developments Under the NEWTON-g Project 1 Introduction 2 The Mini-Array of Three iGrav SGs at Mount Etna 3 Comparison Between the Time Series from a SG and Absolute Gravity Data 4 New Tools for Terrain Gravimetry 5 Conclusions References The Effect of Measurement Preprocessing in the Gravity-Aided Navigation 1 Introduction 2 Optimal and Suboptimal Solutions of the Gravity-Aided Navigation Problem 3 Accuracy Analysis Example 4 Conclusion References Sensitivity of Algorithms for Estimating the Gravity Disturbance Vector to Its Model Uncertainty 1 Introduction 2 Description of the Error Model 3 Estimating the Accuracy of Determining the GDV Horizontal Components: The Results 4 Estimating the Sensitivity of Algorithms for Determining the GDV Horizontal Components to the Model Parameters: The Results 5 Conclusion References List of Reviewers Author Index Subject Index