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  • 1
    Online Resource
    Online Resource
    Newark :American Geophysical Union,
    Keywords: Geology, Structural--Alaska. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (441 pages)
    Edition: 1st ed.
    ISBN: 9781118671832
    Series Statement: Geophysical Monograph Series ; v.179
    DDC: 551.809798
    Language: English
    Note: Intro -- Title Page -- Contents -- Preface -- Section I: Overviews -- Active Deformation Processes in Alaska, Based on 15 Years of GPS Measurements -- Paleoseismicity and Neotectonics of The Aleutian Subduction Zone-An Overview -- Neotectonics of the Yakutat Collision: Changes in Deformation Driven by Mass Redistribution -- An Overview of the Neotectonics of Interior Alaska: Far-Field Deformation From the Yakutat Microplate Collision -- Active Tectonics of Interior Alaska: Seismicity, GPS Geodesy, and Local Geomorphology -- Section II: The Alaska-Aleutian Subduction Zone -- New Paleomagnetic Data From the Central Aleutian Arc: Evidence and Implications for Block Rotations -- Exhumation in the Chugach-Kenai Mountain Belt Above the Aleutian Subduction Zone, Southern Alaska -- Active Faults on Northeastern Kodiak Island, Alaska -- Paleoseismological Records of Multiple Great Earthquakes in Southcentral Alaska: A 4000-Year Record at Girdwood -- Seismicity of the Prince William Sound Region and Its Relation to Plate Structure and the 1964 Great Alaska Earthquake -- Section III: The Yakutat Collision Between the Subduction and Transform Boundaries -- Geological and Geophysical Evaluation of the Mechanisms of the Great 1899 Yakutat Bay Earthquakes -- Yakataga Fold-and-Thrust Belt: Structural Geometry and Tectonic Implications of a Small Continental Collision Zone -- Identifying Active Structures in the Kayak Island and Pamplona Zones: Implications for Offshore Tectonics of the Yakutat Micropl -- Section IV: Deformation Inboard of the Plate Boundary -- Neogene Exhumation of the Tordrillo Mountains, Alaska, and Correlations With Denali (Mount McKinley) -- Does a Boundary of the Wrangell Block Extend Through Southern Cook Inlet and Shelikof Strait, Alaska? -- Section V: Integrative Models, Stress Transfer, and Seismic Hazards. , Tectonics, Dynamics, and Seismic Hazard in the Canada-Alaska Cordillera -- Contemporary Fault Mechanics in Southern Alaska -- Orogenesis From Subducting Thick Crust and Evidence From Alaska -- Stress Map for Alaska From Earthquake Focal Mechanisms -- Rapid Ice Mass Loss: Does It Have an Influence on Earthquake Occurrence in Southern Alaska? -- Challenges in Making a Seismic Hazard Map for Alaska and the Aleutians -- Toward a Time-Dependent Probabilistic Seismic Hazard Analysis for Alaska -- Fault Interaction in Alaska: Static Coulomb Stress Transfer -- Index.
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  • 2
    Keywords: Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (341 pages)
    Edition: 1st ed.
    ISBN: 9783319691701
    Series Statement: International Association of Geodesy Symposia Series ; v.147
    Language: English
    Note: Intro -- Preface -- Contents -- Part I Geodetic Reference Systems and Frames -- Simulation of VLBI Observations to Determine a Global TRF for GGOS -- 1 Introduction -- 2 Strategy -- 2.1 Data -- 2.2 Simulation -- 2.3 Combination -- 3 Results -- 4 Discussion and Conclusion -- References -- The Assessment of the Temporal Evolution of Space Geodetic Terrestrial Reference Frames -- 1 Introduction -- 2 The Mathematical Model -- 2.1 The Relation with the Helmert Transformation -- 3 Numerical Application: The DTRF2008 Technique-Wise TRFs -- 4 Summary and Future Work -- References -- Analysis Strategies for the Densification of the ICRF with VLBA Calibrator Survey Sources -- 1 Introduction -- 2 Estimation of Source Coordinates from VCS Sessions -- 2.1 Investigations on CRF Datum Definition -- 2.2 Difference in Arc-Length -- 3 Conclusions -- References -- Towards the Definition and Realization of a Global Absolute Gravity Reference System -- 1 Introduction -- 2 Development of the Gravity Reference Systems -- 3 Cooperation of Metrology and Geosciences -- 4 Realization of a New Absolute Gravity Reference System -- 5 Outlook -- References -- Part II Static Gravity Field Observations and Modelling -- The Linearized Fixed Gravimetric Boundary Value Problem and Its Solution in Spheroidal Approximation -- 1 Introduction -- 2 The Problem Under Consideration -- 3 Integral Equation for the Surface Layer -- 4 Integral Equation in the Geocentric System -- 5 Solution of the Integral Equation -- 6 Conclusions -- References -- On the Convergence of the h-p Finite Element Method for Solving Boundary Value Problems in Physical Geodesy -- 1 Introduction -- 2 Weak Formulation -- 3 Weak Formulations for the Model Boundary Value Problems -- 4 h-p FEM, h and p Convergence, Error Estimates and FEM Algorithm. , 5 Numerical Experiments, h and p Convergence, Methods of Mesh Generation -- 6 Conclusion -- References -- Domain Transformation and the Iteration Solution of the Linear Gravimetric Boundary Value Problem -- 1 Introduction -- 2 Transformation of the Problem: Boundary Condition -- 3 Laplace Operator and Topography-Dependent Coefficients -- 4 Simple Gravimetric Boundary Value Problem in Curvilinear Coordinates and Neumann's Function -- 5 Iteration Process -- 6 Modification of KT and a Linear Theory -- 7 Final Comments -- References -- A New Argentinean Gravimetric Geoid Model: GEOIDEAR -- 1 Introduction -- 2 Computation Procedure -- 2.1 Helmert's Second Condensation Method -- 2.2 RCR Technique -- 2.2.1 Removing Step and Gridding of the Residual Gravity Anomalies -- 2.2.2 Computing Step: Stokes' Integral -- 2.2.3 Restoring Step -- 3 Gravity Data and Pre-processing -- 4 GEOIDEAR Validating and Fitting -- 5 Conclusions -- References -- Exploitation of Marine Gravity Measurements of the Mediterranean in the Validation of Global Gravity Field Models -- 1 Introduction -- 2 The Data -- 3 Data Processing and Validation -- 4 Validation of Global Models -- 5 Conclusions -- References -- Traceability of the Hannover FG5X-220 to the SI Units -- 1 Introduction -- 2 The Absolute Gravimeters FG5-220 and FG5X-220 -- 3 Traceability of the FG5X-220 -- 3.1 Standards of Time and Length -- 3.1.1 Rubidium Oscillator -- 3.1.2 Laser -- 3.2 Comparison of the Instrument with a Reference in g -- 3.2.1 Comparison of Absolute Gravimeters -- 3.2.2 Reference Station -- 4 Summary -- References -- Evaluation of Robert Sterneck's Historical Gravity Pendulum Measurements in the Czech Territory -- 1 Introduction -- 1.1 Sterneck's Approach to Pendulum Time Observations -- 2 Pendulum Station Identification -- 2.1 An Example of the Localisation Process -- 3 Gravity Determination. , 3.1 Sterneck's Gravity System Level -- 4 Results -- 5 Conclusions -- 5.1 Closing Remark -- References -- Part III Detection and Modelling of Gravity Field Variations -- Ground-Satellite Comparisons of Time Variable Gravity: Results, Issues and On-Going Projects for the Null Test in Arid Regions -- 1 Introduction -- 2 A Review of Validation Methods -- 3 Ground Truth Using Gravity Data -- 3.1 Moderate Amplitude Hydrology: The Case of Europe -- 3.2 Large Amplitude Hydrology: The Case of West Africa -- 3.3 Small Amplitude Hydrology: Null Test Experiments in Algeria, Egypt and Saudi Arabia -- 4 Conclusion -- References -- Impact of Groundtrack Pattern of Double Pair Missions on the Gravity Recovery Quality: Lessons from the ESA SC4MGV Project -- 1 Introduction -- 2 Geophysical Input Models and Gravity Recovery Simulation -- 3 Drifting Orbits of Satellite Pairs -- 4 Results -- 4.1 Impact of the Groundtrack Pattern Variations on Quality of the Gravity Solutions -- 4.2 Impact of Gravity Field Variations on Quality of the Gravity Solutions -- 5 Summary and Discussion -- References -- A Posteriori De-aliasing of Ocean Tide Error in Future Double-Pair Satellite Gravity Missions -- 1 Introduction -- 2 Simulation Setup -- 3 Methodology -- 4 Ocean Tide De-aliasing -- 4.1 Determining Aliasing Periods -- 4.2 De-aliasing -- 5 Conclusions and Outlook -- References -- A Method of Airborne Gravimetry by Combining Strapdown Inertial and New Satellite Observations via Dynamic Networks -- 1 Introduction -- 1.1 Motivation -- 1.2 Paper Outline -- 2 The Benefit of Multi-GNSS -- 2.1 Available GNSS Data -- 2.2 GNSS Data Processing -- 2.3 Assessment -- 3 Integration of Global Gravity Reference -- 4 State-Space Formulation -- 4.1 Dynamic Model -- 4.2 Estimation Model -- 4.3 Limitations -- 5 Dynamic Network Formulation -- 5.1 General Formulation -- 5.2 Dynamic Model. , 5.3 Static Models -- 5.4 Advantages -- 5.5 Estimation -- 6 Comparison -- 6.1 Test Data -- 6.2 Test Results and Gravity Recovery -- 6.3 State-Space vs. Dynamic Network -- 6.4 Requirement on Further Smoothing -- 7 Conclusions and Recommendations -- References -- Hybrid Gravimetry as a Tool to Monitor Surface and Underground Mass Changes -- 1 Introduction -- 2 Hybrid Gravimetry -- 3 Examples of Hybrid Gravimetry Studies -- 3.1 Hydrology -- 3.2 Ice Melting -- 3.3 Volcanology -- 3.4 Geothermics -- 4 Conclusion -- References -- Tidal Spectroscopy from a Long Record of Superconducting Gravimeters in Strasbourg (France) -- 1 Introduction -- 2 Instrumentation and Data -- 3 Spectral Analysis of a Long Gravity Series -- 3.1 Small Amplitude Tidal Signals -- 3.1.1 Tides Generated by the Third-Degree Potential -- 3.2 Close Frequency Waves -- 3.3 Low-Frequency Signals -- 4 Conclusion -- References -- Investigations of a Suspected Jump in Swedish Repeated Absolute Gravity Time Series -- 1 Introduction -- 2 The Gravity Observations -- 3 Different Ways to Consider a Jump in the Time Series -- 4 Discussion of the Results -- 5 Summary and Conclusions -- References -- Part IV Earth Rotation and Geodynamics -- Detailed Analysis of Diurnal Tides and Associated Space Nutation in the Search of the Free Inner Core Nutation Resonance -- 1 Introduction -- 2 Tidal Analysis of SG Records -- 3 VLBI Nutation Analysis -- 4 Results and Interpretations -- References -- Chandler Wobble and Frequency Dependency of the Ratio Between Gravity Variation and Vertical Displacement for a Simple Earth Model with Maxwell or Burgers Rheologies -- 1 Introduction -- 2 Modelling of Earth Dynamics and Rheological Models -- 3 Δg/Δu Due to Surface Loading -- 4 Chandler Wobble Attenuation -- 5 Conclusion -- References -- Detection of the Atmospheric S1 Tide in VLBI Polar Motion Time Series. , 1 Introduction -- 2 The Single Session Time Series Approach -- 2.1 Time Series Analysis -- 2.2 Processing Strategies -- 2.3 Comparison with Geophysical Excitation -- 3 Conclusion -- References -- Free Core Nutation Parameters from Hydrostatic Long-Base Tiltmeter Records in Sainte Croix aux Mines (France) -- 1 Introduction -- 2 Site, Instruments and Dataset -- 3 Data Analysis -- 4 Results -- 5 Conclusions -- References -- Numerical Issues in Space-Geodetic Data Analysis and Their Impact on Earth Orientation Parameters -- 1 Introduction -- 2 Adjustment Principles and Numerical Issues -- 2.1 Least Squares Adjustment -- 2.2 Numerical Issues -- 2.2.1 Numerical Stability -- 2.2.2 Condition of a Solution -- 2.3 Tikhonov-Regularization and the L-Curve Criterion -- 3 Condition in VLBI Data Analysis -- 4 Impact on EOPs -- 5 Conclusions and Outlook -- References -- A Non-tidal Atmospheric Loading Model: On Its Quality and Impacts on Orbit Determination and C20 from SLR -- 1 Introduction -- 2 Comparison to an External Model -- 3 Application to SLR Data Processing -- 4 Summary -- References -- Effects of Meteorological Input Data on the VLBI Station Coordinates, Network Scale, and EOP -- 1 Introduction -- 2 Meteorological Data Sets and On-Site Comparisons -- 3 VLBI Analysis -- 4 Results -- 4.1 Station Coordinates -- 4.2 Network Scale -- 4.3 Earth Orientation Parameters -- 5 Summary, Discussion and Conclusions -- References -- History of Monitoring Earth Orientation, and Re-analyses of Old Data -- 1 Introduction -- 2 Services Monitoring Earth Orientation -- 3 Role of External Torques and Geophysical Effects in Earth Orientation -- 4 Re-analyses of Old Astrometric Observations -- 5 Results -- 6 Conclusions -- References -- Part V Advances in GNSS Technologies, Data Processing, and Applications -- Multi-GNSS PPP-RTK: Mixed-Receiver Network and User Scenarios. , 1 Introduction.
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  • 3
    Keywords: Geophysics. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (194 pages)
    Edition: 1st ed.
    ISBN: 9783030129156
    Series Statement: International Association of Geodesy Symposia Series ; v.149
    DDC: 550
    Language: English
    Note: Intro -- Preface -- Contents -- Part I Reference Frames -- DGFI-TUM Analysis and Scale Investigations of the Latest Terrestrial Reference Frame Realizations -- 1 Introduction -- 2 Scale Investigations: Test Scenarios -- 2.1 Comparison of Single-Technique Solutions -- 2.2 Comparison of Single-Technique Solutions: Direct Via Local Ties -- 2.3 Comparison of Single-Technique Solutions: Indirect Via GNSS -- 2.4 VLBI Scale Comparisons Performed by IVS CC -- 2.5 SLR Scale Comparisons Performed by ILRS CC -- 3 Summary and Conclusions -- References -- Impact of Different ITRS Realizations on VLBI Combined EOP and Scale -- 1 Introduction and Input Contributions -- 2 Scale Parameter Comparison -- 3 EOP Comparison -- 3.1 Comparison to IERS 14C04, IGS and ILRS -- 3.2 Comparison to TRF EOP -- 4 Conclusion -- References -- Testing Special Relativity with Geodetic VLBI -- 1 Introduction -- 2 Lorenz Transformation -- 3 Methodology Comments -- 4 Conclusions -- References -- Development of Wideband Antennas -- 1 Introduction -- 2 Development of the Wideband Antennas -- 2.1 Development of the Wideband Feeds -- 2.2 Measurement of the Wideband Antennas -- 3 Conclusions and Future Development Plan -- References -- Part II Static Gravity Field -- Boundary Complexity and Kernel Functions in Classical and Variational Concepts of Solving Geodetic Boundary Value Problems -- 1 Introduction -- 2 Spherical Boundary -- 3 Transition to an Ellipsoid -- 4 Key Role of Elliptic Integrals -- 5 From the Ellipsoid to the Earth's Surface -- 6 Conclusions -- References -- GEOMED2: High-Resolution Geoid of the Mediterranean -- 1 Introduction -- 2 Data -- 3 Method -- 4 Results and Validation -- 5 Conclusions and Outlook -- References -- Evaluation of Altimetry Data in the Baltic Sea Region for Computation of New Quasigeoid Models over Poland -- 1 Introduction -- 2 Data. , 3 Comparison of Marine Gravity Data -- 4 Quasigeoid Computation and Results -- 5 Conclusions -- References -- AFRGDB_V2.0: The Gravity Database for the Geoid Determination in Africa -- 1 Introduction -- 2 Available Data -- 2.1 Land Data -- 2.2 Shipborne Data -- 2.3 Altimetry Data -- 2.4 Digital Height Models -- 3 Methodology -- 3.1 Window Remove-Restore Technique -- 3.2 Gravity Reduction -- 3.3 Interpolation -- 3.4 Restore Step -- 4 Validation -- 4.1 Internal Validation -- 4.2 External Validation -- 5 Conclusion -- References -- Combined Use of a Superconducting Gravimeter and Scintrex Gravimeters for Hydrological Correction of Precise Gravity Measurements: A Superhybrid Gravimetry -- Abbreviation -- 1 Introduction -- 2 Gravity Measurements and Data Processing -- 3 Conclusions -- References -- Evaluation of the Global Altimetric Marine Gravity Field DTU15: Using Marine Gravity and GOCE Satellite Gravity -- 1 Introduction -- 2 Cryosat-2 and Jason-1 Geodetic Mission Altimetry -- 3 Updated Methodology -- 4 Evaluation with Marine Gravity Observations -- 5 Evaluation in the Arctic Using GOCE -- 6 Conclusion -- References -- Part III Time Variable Gravity Field -- Status of Development of the Future Accelerometers for Next Generation Gravity Missions -- 1 Introduction -- 2 Electrostatic Accelerometer MicroSTAR -- 2.1 Description -- 2.2 Performance -- 2.3 Status of Development -- 3 Hybridization of Electrostatic Accelerometer and Atom Interferometer -- 3.1 Principle -- 3.2 Description of Ground Prototype -- 3.3 Results -- 4 Conclusions -- References -- On Computation of Potential, Gravity and Gravity Gradient from GRACE Inter-Satellite Ranging Data: A Systematic Study -- 1 Introduction -- 2 Mathematical Formulation -- 2.1 Potential Difference -- 2.2 LOS Gravity Difference -- 2.3 LOS Gravity Gradient -- 3 Quantification of Approximation Errors. , 4 Conclusions -- References -- Calibration of GRACE Accelerometers Using Two Types of Reference Accelerations -- 1 Introduction -- 2 GRACE Data -- 3 Methods -- 3.1 NGM Approach -- 3.2 NGO Approach -- 3.3 Accelerometer Calibration -- 4 Results and Discussion -- 5 Conclusions -- References -- Part IV Geodetic Remote Sensing -- PPP Without Troposphere Estimation: Impact Assessment of Regional Versus Global Numerical Weather Models and Delay Parametrization -- Abbreviations -- 1 Introduction -- 2 Data and Methodology -- 3 Analysis -- 3.1 Height Time Series Bias, RMSE and 95% Percentile, with Respect to the Reference Value -- 3.2 Convergence to the Reference Value (ITRF14) -- 3.3 Time Required to Converge to the Reference Value (ITRF14) -- 3.4 Final Height Value Bias with Respect to the Reference Value -- 3.5 PPP Analysis Phase Residuals -- 4 Conclusion -- References -- Calibration of Empirical Models of Thermospheric Density Using Satellite Laser Ranging Observations to Near-Earth Orbiting Spherical Satellites -- 1 Introduction -- 2 SLR Measurements to LEO Satellites -- 3 Empirical Models of Thermospheric Density -- 4 Results -- 5 Discussion, Summary and Outlook -- References -- Geodetic Remote Sensing of Ionosphere in Relation to Space Weather and Seismic Activity in B& -- H -- Abbreviations -- 1 Introduction -- 2 Methods and Data -- 2.1 VTEC Analysis -- 2.2 Data Acquisition -- 3 Results -- 3.1 Space Weather Indices and Ionosphere TEC Variations for Studied Period -- 3.2 VTEC Analysis Before and After Earthquake Treskavica -- 3.3 VTEC Analysis for St. Patrick's Day Geomagnetic Storm -- 4 Conclusion -- References -- Comparing the Nigerian GNSS Reference Network's Zenith Total Delays from Precise Point Positioning to a Numerical Weather Model -- 1 Introduction -- 2 Data and Methodology -- 3 Results and Discussion. , 3.1 Comparison Between GAPS and NCEP II -- 3.2 Comparison Between GAPS and IGS -- 3.3 Comparison Between GAPS, IGS and NCEP II -- 4 Conclusion -- References -- Part V Global Geodetic Observing System (GGOS) and Earth Monitoring Services -- GGOS Bureau of Products and Standards: Recent Activities and Future Plans -- 1 Introduction -- 2 GGOS Bureau of Products and Standards -- 3 BPS Inventory on Standards and Conventions -- 3.1 Status and Recommendations on Numerical Standards -- 3.2 Product-Based Review of Standards and Conventions -- 4 Ongoing and Planned Activities -- References -- Recent Activities of the GGOS Standing Committee on Performance Simulations and Architectural Trade-Offs (PLATO) -- 1 Purpose and Scope of PLATO -- 2 Activities and Recent Achievements -- 2.1 Studies Related to Satellite and Lunar Laser Ranging -- 2.2 Studies Related to Fundamental Sites -- 2.3 Studies Related to Co-location in Space -- 3 Preliminary Recommendations -- 4 Future Plans -- References -- IGFS Metadata for Gravity. Structure, Build-up and Application Module -- 1 Introduction -- 2 Metadata Structure -- 3 Web Application deployment -- 4 Future Work -- References -- Part VI Multi-Signal Positioning: Theory and Applications -- Assessment of GNSS and Map Integration for Lane-Level Applications in the Scope of Intelligent Transportation Location Based Services (ITLBS) -- 1 Introduction -- 2 Methodology -- 2.1 Map Matching -- 2.2 Navigation Algorithm -- 2.3 Positioning Accuracy Limit -- 3 Experiment and Results -- 4 Analysis -- 5 Conclusion -- References -- Improving Low-Cost GNSS Navigation in Urban Areas by Integrating a Kinect Device -- 1 Introduction -- 2 Kinect Device and Its Calibration -- 3 Low-Cost GNSS Receivers and goGPS Software -- 4 The Proposed Solution -- 4.1 Calibration -- 4.2 RGB-D Kinect Solution -- 4.3 Low-Cost GNSS Solution. , 4.4 Extended Kalman Filter -- 5 Experimental Test -- 6 Results -- 7 Conclusions -- References -- Part VII Geodesy and Seismology General Contributions -- Crustal Deformation and Fault Models of the 2016 Kumamoto Earthquake Sequence: Foreshocks and Main Shock -- 1 Introduction -- 2 Foreshocks: Mj6.5 and Mj6.4 -- 2.1 Crustal Deformation Derived by Kinematic-GNSS -- 2.2 Fault Models -- 3 Main Shock -- 3.1 InSAR- and GNSS-Derived Complex Crustal Deformation -- 3.2 Fault Model -- References -- Associate Editors -- List of Reviewers -- Author Index.
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  • 4
    Keywords: Earth sciences ; Earth Sciences ; Geophysics ; Geotechnical engineering ; Remote sensing
    Description / Table of Contents: These proceedings contain 43 papers, which are the peer-reviewed versions of presentations made at the various International Association of Geodesy (IAG) sessions during the 26th General Assembly of the International Union of Geodesy and Geophysics (IUGG), held from 22 June to 2 July 2015 in Prague, Czech Republic. The theme of the General Assembly was “Earth and Environmental Sciences for Future Generations”. The papers were drawn from nine symposia organised by the IAG, including a union symposium, and thirteen symposia jointly organised by the IAG and other associations of the IUGG. The IAG Symposia were structured according to the four IAG Commissions and the three GGOS Focus Areas, and included reference frames, static and time-variable gravity field, Earth rotation and geodynamics, emerging GNSS technologies and applications, height systems unification, geohazards monitoring, and sea level observation and modelling. The cross-disciplinary symposia dealt with topics such as atmospheric remote sensing, cryospheric studies, structure and deformation of plate interiors, earthquakes studies, integrated observing systems, and preservation and utilization of historical data in Geosciences
    Type of Medium: Online Resource
    Pages: Online-Ressource (X, 364 p. 137 illus, online resource)
    ISBN: 9783319691701
    Series Statement: International Association of Geodesy Symposia 147
    Language: English
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  • 5
    Description / Table of Contents: Intro -- Preface -- Contents -- Part I Gravity Field Modelling and Height Systems -- Remarks on the Terrain Correction and the Geoid Bias -- 1 Introduction -- 2 The Terrain Correction for Masses Located in the Remote Zone of the Bouguer Shell -- 3 The Terrain Correction for Masses Located Outside the Bouguer Plate -- 4 The Terrain Correction Due to Masses in the Near-Zone Inside the Bouguer Plate -- 5 Conclusions -- References -- Why a Height Theory Must Be Rigorous and Physically Correct -- 1 Review -- 2 Problems with Molodensky's Approach -- 3 Arrival of Satellites and the Problem of Height Congruency -- 4 Conclusions -- References -- Geodetic Heights and Holonomity -- 1 Introduction -- 2 What Is a Geodetic Heigh? -- 2.1 A New Definition of a General Geodetic Height HG -- 3 The Four Height Systems Are Geodetic Heights -- 4 Holonomity of the Geodetic Heights -- 5 Comparisons and Conclusions -- References -- Physical Heights of Inland Lakes -- 1 Introduction -- 2 Orthometric Height -- 3 Orthometric Height Variation at Lake Surface -- 4 Quantification: Case Studies -- 4.1 Lake Vänern, Sweden -- 4.2 Lake Michigan, USA -- 4.3 Issyk Kul, Kyrgyzstan -- 4.4 Salar de Uyuni, Bolivia -- 5 Conclusions and Outlook -- Appendix 1: Approximation -- Appendix 2: Normal Height Variation -- References -- The Uncertainties of the Topographical Density Variations in View of a Sub-Centimetre Geoid -- 1 Introduction -- 2 Theory -- 3 Numerical Results -- 4 Conclusion and Remarks -- References -- Estimation of Height Anomalies from Gradients of the Gravitational Potential Using a Spectral Combination Method -- 1 Introduction -- 2 Spectral Combination -- 3 Numerical Experiments -- 4 Conclusion -- References -- Evaluation of the Recent African Gravity Databases V2.x -- 1 Introduction -- 2 Data Used for Establishing the AFRGDB_V2.x Gravity Databases.
    Type of Medium: Online Resource
    Pages: 1 online resource (189 pages)
    Edition: 1st ed.
    ISBN: 9783031553608
    Series Statement: International Association of Geodesy Symposia Series v.155
    Language: English
    Note: Description based on publisher supplied metadata and other sources
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  • 6
    Online Resource
    Online Resource
    Cham : Springer International Publishing | Cham : Imprint: Springer
    Keywords: Geology. ; Geotechnical engineering. ; Geographic information systems. ; Geodäsie
    Description / Table of Contents: Part I: Reference Systems and Frames -- Towards an International Height Reference Frame Using Clock Networks -- Towards the realization of the International Height Reference Frame (IHRF) in Argentina -- Comparing Vienna CRF solutions to Gaia-CRF2 -- Co-Location of Space Geodetic Techniques: Studies on Intra-Technique Short Baselines -- Status of IGS Reprocessing Activities at GFZ -- A Wavelet-based Outlier Detection and Noise Component Analysis for GNSS Position Time Series -- Part II: Gravity field modelling -- International Combination Service for Time-variable Gravity Fields (COST-G) – Start of operational phase and future perspectives -- LUH-GRACE2018: a new time series of monthly gravity field solutions from GRACE -- A Precise Geoid Model for Africa: AFRgeo2019 -- Part III: Earth rotation and geodynamics -- A first assessment of the corrections for the consistency of the IAU2000 and IAU2006 precession-nutation models -- Report of the IAU/IAG Joint Working Group on Theory of Earth rotation and validation -- Achievements of the first 4 years of the International Geodynamics and Earth Tide Service (IGETS) 2015 – 2019 -- Inter-comparison of ground gravity and vertical height measurements at collocated IGETS stations -- Part IV: Multi-Signal Positioning, Remote Sensing and Applications -- A Benchmarking Measurement Campaign to Support Ubiquitous Localization in GNSS Denied and Indoor Environments -- A method to correct the raw Doppler observations for GNSS velocity determination -- Assessment of a GNSS/INS/Wi-Fi Tight-Integration Method Using Support Vector Machine and Extended Kalman Filter -- Enhancing navigation in difficult environments with low-cost, dual-frequency GNSS PPP and MEMS IMU -- Part V: Monitoring and Understanding the Dynamic Earth with Geodetic Observations -- Water Depletion and Land Subsidence in Iran using Gravity, GNSS, InSAR and Precise Levelling Data -- Past and future sea level changes and land uplift in the Baltic Sea seen by geodetic observations -- Estimation of Lesser Antilles vertical velocity fields using a GNSS-PPP software comparison -- Time variations of the vertical component in Japanese GEONET GNSS sites -- An approximate method to simulate post-seismic deformations in a realistic Earth model -- Geodetic monitoring of the variable surface 1 deformation in Latin America -- Progress in GTEWS ground displacement measurements and tsunami warning -- Part VI: Geodesy for Atmospheric and Hydrospheric Climate Research (IAG, IAMAS, IACS, IAPSO) -- Characterization of the Upper Atmosphere from Neutral and Electron Density Observations -- Tropospheric products from high-level GNSS processing in Latin America -- Can vertical GPS displacements serve as proxies for climate variability in North America? -- Tracking Hurricanes using GPS atmospheric precipitable water vapor field -- Continuous monitoring with a superconducting gravimeter as a proxy for water storage changes in a mountain catchment -- Least-Squares Spectral and Coherency Analysis of the Zenith Total Delay Time Series at SuomiNet Station SA56 (UNB2).
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource(IX, 286 p. 10 illus.)
    Edition: 1st ed. 2022
    ISBN: 9783031098574
    Series Statement: International Association of Geodesy Symposia 152
    Language: English
    Note: Open Access
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  • 7
    Keywords: Physical geography ; Geophysics/Geodesy ; Geophysics. ; Geotechnical engineering. ; Remote sensing. ; Konferenzschrift 30.07.2017-04.08.2017 ; Geodäsie
    Description / Table of Contents: Part 1: Reference Frames -- Chapter 1: DGFI-TUM analysis and scale investigations of the latest terrestrial reference frame realizations -- Chapter 2: Impact of different ITRS realizations on VLBI combined EOP and Scale -- Chapter 3: Testing special relativity with geodetic VLBI -- Chapter 4: Development of wideband antennas -- Part 2: Static Gravity Field -- Chapter 5: Boundary complexity and kernel functions in classical and variational concepts of solving geodetic boundary value problems -- Chapter 6: GEOMED2: high-resolution geoid of the Mediterranean -- Chapter 7: Evaluation of altimetry data in the Baltic Sea region for computation of new quasigeoid models over Poland -- Chapter 8: AFRGDB V2.0: The gravity database for the geoid determination in Africa -- Chapter 9: Combined use of a superconducting gravimeter and Scintrex gravimeters for hydrological correction of precise gravity measurements - A superhybrid gravimetry -- Chapter 10: Evaluation of the global altimetric marine gravity field DTU15 - using Marine gravity and GOCE satellite gravity -- Part 3: Time variable gravity field -- Chapter 11: Status of development of the future accelerometers for next generation gravity missions -- Chapter 12: On computation of potential, gravity and gravity gradient from GRACE inter-satellite ranging data: A systematic study -- Chapter 13: Calibration of GRACE accelerometers using two types of reference accelerations -- Part 4: Geodetic remote sensing -- Chapter 14: Performance analysis of regional versus global Numerical Weather Model tropospheric prediction in GPS analysis -- Chapter 15: Calibration of empirical models of thermospheric density using satellite laser ranging observations to near-Earth orbiting spherical satellites -- Chapter 16: Geodetic remote sensing of ionosphere in relation to space weather and seismic activity in Bosnia and Herzegovina -- Chapter 17: Comparing the Nigerian GNSS reference network’s zenith total delays from precise point positioning to a numerical weather model -- Part 5: Global Geodetic Observing System (GGOS) and Earth monitoring services -- Chapter 18: GGOS Bureau of Products and Standards: Recent activities and future plans -- Chapter 19: Recent activities of the GGOS Standing Committee on Performance Simulations and Architectural Trade-Offs (PLATO) -- Chapter 20: IGFS metadata for gravity. Structure, build-up and application module -- Part 6: Multi-signal positioning: Theory and applications -- Chapter 21: Assessment of GNSS and map integration for lane-level applications in the scope of Intelligent Transportation Location Based Services (ITLBS) -- Chapter 22: Improving low-cost GNSS navigation in urban areas by integrating a Kinect device -- Chapter 23: Crustal deformation and fault models of the 2016 Kumamoto earthquake sequence: Foreshocks and main shock
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (IX, 206 p. 105 illus., 82 illus. in color)
    ISBN: 9783030129156
    Series Statement: International Association of Geodesy Symposia 149
    Language: English
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  • 8
    Description / Table of Contents: Intro -- Preface -- Contents -- Part I Geometric Reference Frames -- Combined IVS Contribution to the ITRF2020 -- 1 Introduction -- 2 Contributions by Individual IVS Analysis Centers -- 3 IVS Combination Procedure -- 4 IVS Combination Results -- 5 Conclusions and Outlook -- Conflict of Interest -- References -- An Experimental Combination of IGS repro3 Campaign's Orbit Products Using a Variance Component Estimation Strategy -- 1 Introduction -- 2 Material and Methods -- 3 Results -- 4 SLR External Validation -- 5 Discussion and Perspectives -- Data Availability -- References -- The Correlations of the Helmert Transformation Parameters as an Additional Auxiliary Diagnostic Tool for Terrestrial Reference Frames Quality Assessment -- 1 Introduction -- 2 Mathematical Model -- 3 Results -- 3.1 DTRF2014 -- 3.1.1 The SLR-only TRF -- 3.1.2 The VLBI-only TRF -- 3.2 IDS and ITRF2014 Comparison -- 4 Conclusions -- References -- Shimosato Co-Location of the SLR and GNSS Stations -- 1 Introduction -- 1.1 International Terrestrial Reference Frame and Co-Location -- 1.2 The Shimosato Hydrographic Observatory -- 2 Survey Instrumentation and Methodology -- 2.1 Local Survey of the Network -- 2.2 Indirect Observation of the SLR Telescope IVP -- 3 Data Analysis -- 3.1 GNSS Data Processing -- 3.2 Calculation of the Vertical Deflection -- 3.3 Data Analysis for the Local Survey -- 4 Results and Discussions -- 4.1 Comparison with the SLR-GNSS Baseline -- 4.2 Possible Error Sources -- 5 Conclusion -- Conflict of Interest -- References -- Local Ties at SLR Station Riga -- 1 Introduction -- 2 Local Tie Determination -- 3 Comparison Between 1995 and 2021 Solutions -- 4 Monitoring, Testing and Training Surveys in 2004, 2012, 2019 and 2020 -- 5 Conclusions -- References -- Datum Problem Handling in Local Tie Surveys at Wettzell and Metsahovi -- 1 Introduction -- 2 Wettzell.
    Type of Medium: Online Resource
    Pages: 1 online resource (418 pages)
    Edition: 1st ed.
    ISBN: 9783031295072
    Series Statement: International Association of Geodesy Symposia Series v.154
    Language: English
    Note: Description based on publisher supplied metadata and other sources
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  • 9
    Online Resource
    Online Resource
    Cham : Springer International Publishing | Cham : Imprint: Springer
    Keywords: Geophysics. ; Geotechnical engineering. ; Geographic information systems.
    Description / Table of Contents: Part I: Gravity Field Modelling and Height Systems -- Remarks on the Terrain Correction and the Geoid Bias -- Why a Height Theory Must Be Rigorous and Physically Correct -- Geodetic Heights and Holonomity -- Physical Heights of Inland Lakes -- The Uncertainties of the Topographical Density Variations in View of a Sub-Centimetre Geoid -- Estimation of Height Anomalies from Gradients of the Gravitational Potential Using a Spectral Combination Method -- Evaluation of the Recent African Gravity Databases V2.x -- Part II : Estimation Theory -- PDF Evaluation of Elliptically Contoured GNSS Integer Ambiguity Residuals -- Spatio-Spectral Assessment of Some Isotropic Polynomial Covariance Functions on the Sphere -- MDBs Versus MIBs in Case of Multiple Hypotheses: A Study in Context of Deformation Analysis -- A Simple TLS-Treatment of the Partial EIV-Model as One with Singular Cofactor Matrices I: The Case of a Kronecker Product for QA = Q0 ⊗ Qx -- Bayesian Robust Multivariate Time Series Analysis in Nonlinear Regression Models with Vector Autoregressive and t-Distributed Errors -- Part III: Geodetic Data Analysis -- An Estimate of the Effect of 3D Heterogeneous Density Distribution on Coseismic Deformation Using a Spectral Finite-Element Approach -- On the Estimation of Time Varying AR Processes -- Refinement of Spatio-Temporal Finite Element Spaces for Mean Sea Surface and Sea Level Anomaly Estimation -- On the Coestimation of Long-Term Spatio-Temporal Signals to Reduce the Aliasing Effect in Parametric Geodetic Mean Dynamic Topography Estimation -- A Flexible Family of Compactly Supported Covariance Functions Based on Cutoff Polynomials -- Modeling of Inhomogeneous Spatio-Temporal Signals by Least Squares Collocation -- A Multi-Epoch Processing Strategy for PPP-RTK Users -- Part IV: Geoid and Quasi-Geoid -- Geoid or Quasi-Geoid? A Short Comparison -- The Quasigeoid: Why Molodensky Heights Fail -- Molodensky’s and Helmert’s Theories: Two Equivalent Geodetic Approaches to the Determination of the Gravity Potential and the Earth Surface. .
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource(X, 165 p. 76 illus., 64 illus. in color.)
    Edition: 1st ed. 2024.
    ISBN: 9783031553608
    Series Statement: International Association of Geodesy Symposia 155
    Language: English
    Note: Open Access
    Location Call Number Limitation Availability
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  • 10
    Keywords: Geology. ; Geotechnical engineering. ; Geographic information systems.
    Description / Table of Contents: Part I: Terrestrial, Shipboard and Airborne Gravimetry -- Measurement of Absolute Gravity and Deflection of the Vertical at Sea -- Multi-scenario Evaluation of the Direct Method in Strapdown Airborne and Shipborne Gravimetry -- Improving Gravity Estimation Accuracy for the GT-2A Airborne Gravimeter Using Spline-Based Gravity Models -- Gravimetric Studies in the Sea of Japan -- About Identification of Instrument Error Parameters for a Gravity Gradiometer -- Numerical Model of Moving-Base Rotating Accelerometer Gravity Gradiometer -- New Algorithm for Gravity Vector Estimation from Airborne Data Using Spherical Scaling Functions -- Results of Astro-measurements of the Deflection of Vertical Using the New Observation Technique -- Observations with gPhone Gravimeter in Moscow -- Part II: Absolute Gravimetry -- On Uncertainties of Laser Interferometric Absolute Ballistic Gravimeters due to Magnetic Effects in the Free-Fall Gravity Measurements -- Evaluation of Systematic Errors in the Compact Absolute Gravimeter TAG-1 for Network Monitoring of Volcanic Activities -- Design of New Launch and Interferometer Systems for the IMGC-02 Absolute Gravimeter -- Twelve Years of High Frequency Absolute Gravity Measurements at the UK’s Space Geodesy Facility: Systematic Signals and Comparison with SLR Heights -- Part III: Relative Gravimetry and Applications -- Studying the Evolution of Resolution Capabilities and Approximation Accuracy of Global Models by Spectral Characteristics -- The Role of Non-tidal Atmospheric Loading in the Task of Gravity Field Estimation by Inter-satellite Measurements -- Formation of Self-consistent Navigational Gravity Maps of Local Areas and Joint Assessment of Their Navigation Quality -- Methods of Bistatic GNSS-radio Altimetry for Determining Height Profile of the Ocean and Their Experimental Verification -- Absolute and Relative Gravity Measurements at Volcanoes: Current State and New Developments Under the NEWTON-g Project -- The Effect of Measurement Preprocessing in the Gravity-Aided Navigation -- Sensitivity of Algorithms for Estimating the Gravity Disturbance Vector to Its Model Uncertainty.
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource(VIII, 160 p. 7 illus.)
    Edition: 1st ed. 2023.
    ISBN: 9783031259029
    Series Statement: International Association of Geodesy Symposia 153
    Language: English
    Note: Open Access
    Location Call Number Limitation Availability
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