A Window on the Future of Geodesy (eBook)

Contents 11
Positioning 18
ITRF Combination - Status and Recommendations for the Future 19
Time Evolution of the Terrestrial Reference Frame 25
Scale variation of GPS time series 31
Vertical repeatability of GPS measurements in the Tsukuba GPS/ MET dense- network campaigns 37
Horizontal Crustal Motion Estimates for the UK inferred from GPS: Preliminary Results 42
Results of the SIRGAS Campaign 2000 and Coordinates Variations with Respect to the 1995 South American Geocentric Reference Frame 48
Implementation of a Semi- Dynamic Datum for New Zealand 54
GPS measurements to investigate the reason why GPS is less accurate in mountain areas 60
Towards More Reliable Estimation of GPS Positioning Accuracy 64
Realistic Uncertainty Measures for GPS Observations 70
Networked Transport of RTCM via Internet Protocol ( NTRIP) 76
Numerical Weather Predictions for GPS Positioning 81
A Multi-Base-Station Approach for Long Range Differential GNSS Positioning of Airborne Sensors 87
Point Real- Time Kinematic Positioning 93
The Integration of GPS and Pseudolites for Bridge Monitoring 99
HYBRID SENSOR SYSTEM FOR BRIDGE DEFORMATION MONITORING: INTERFACING WITH STRUCTURAL ENGINEERS 105
A Fuzzy System for the Assessment of Landslide Monitoring Data 111
OASYS - Integrated Optimization of Landslide Alert Systems 117
Combined Evaluation of Geodetic and Geotechnical Data during Tunnel Excavation by Use of a Knowledge- Based System 121
Advanced Space Technology 127
Quasi real-time positioning of spacecrafts using the Internet VLBI system 128
Rapid Turnaround EOP Measurements by VLBI over the Internet 134
Determination of tropospheric parameters within the new IVS Pilot Project 140
VLBIONOS - PROBING THE IONOSPHERE BY MEANS OF VERY LONG BASELINE INTERFEROMETRY 146
Numerical Simulations for Geodetic Parameter Estimation from Space VLBI Data 152
Relativistic VLBI Delay Model for Finite Distance Radio Source 156
Synergy of VLBI and GPS observations in Japan 161
Ground- based verification of four-way Doppler measurement for the SELENE mission 167
Results of the Critical Design of RSAT/ VRAD Mission Instruments on SELENE Sub- satellites Rstar/ Vstar for Selenodesy 172
Application of a PZT telescope to In situ Lunar Orientation Measurement ( ILOM) 178
Combined Processing of GPS Data from Ground Station and LEO Receivers in a Global Solution 184
Efficient Stochastic Orbit Modeling Techniques using Least Squares Estimators 190
Kinematic Precise Orbit Determination for Gravity Field Determination 196
Gravity Field Recovery and Validation by Analysis of Short Arcs of a Satellite- to- Satellite Tracking Experiment as CHAMP and GRACE 204
Combination of Sea- Level Observations and an Oceano-graphic Model for Geodetic Applications in the Baltic Sea 210
Analysis of GPS Campaign Observations of the Asia Pacific Regional Geodetic Project ( APRGP) - Establishment of a Velocity Field- 216
The proposed International DORIS Service 222
Calibration/ validation of GOCE data by terrestrial torsion balance observations 229
Determination of the Gravity Field 235
Repeated Measurements of Gravity with the Absolute Gravimeter FG5 # 210 at Matsushiro, Japan and Comparison with the Superconducting Gravimeter T011 236
APPLICATION OF GRAVIMETRY BY HELICOPTER TO IDENTIFY MARINE ACTIVE FAULTS AND IMPROVE ACCURACY OF GEOID AT COASTAL ZONES 242
A Gravity Database of Southwest Japan: Application to Bouguer Gravity Imaging in Kyushu District, Southwest Japan 249
Gravity-Based Fault Mapping: The Ishikari Lowland, Hokkaido, Japan 255
Compilation and Evaluation of a Consistent Marine Gravity Data Set Surrounding Europe 261
Comparison of Downward Continuation Methods of Airborne Gravimetry Data 267
Optimisation of Density Parameter in Gravity Prediction from Bathymetry 272
Calibration and Validation of GOCE Gravity Gradients 278
Impact of space- borne gravity gradiometer instrument filter on observation error and gravity field recovery performance for GOCE 284
Testing frame-transformation, gridding and filtering of GOCE gradiometer data by Least- Squares Collocation using simulated data 290
PROCESSING OF CHAMP ACC AND RSO DATA IN THE EARTH GRAVITY FIELD DETERMINATION 296
One year of time- variable CHAMP- only gravity field models using kinematic orbits 301
Topographic- lsostatic Reductions in Satellite Gravity Gradiometry Based on a Generalized Condensation Model 307
Long-wavelength Discrepancies Between the Australian Gravity Field and EIGEN- 2 CHAMP Data 313
Computation of a geopotential model from GOCE data using fast spherical collocation - A simulation study 323
Improved Determination of Sea Surface Heights Close to the Australian Coast from ERS- 2 Satellite Radar Altimetry 327
A numerical study of solving the altimetry-gravimetry boundary value problem in coastal regions 333
Improved High Resolution Altimetric Gravity Field Mapping ( KMS2002 Global Marine Gravity Field) 339
On the Determination of Marine Geoid Models by Least- Squares Collocation and Spectral Methods Using Heterogeneous Data 345
Progress towards implementation and develop-ment of a New Zealand national vertical datum 351
Prediction of Vertical Gravity Gradients Using Gravity and Elevation Data 357
Construction of a Synthetic Earth Gravity Model by Forward Gravity Modelling 363
First Results Towards An Isostatically Compensated Reference Earth Model 369
Towards the Estimation of a Multi-Resolution Representation of the Gravity Field Based on Spherical Wavelets 375
Stokes Integration versus Wavelet Techniques for Regional Geoid Modelling 381
A PRELIMINARY GEOID MODEL FOR AFRICA 387
Optimal Marine Geoid Determination in the Atlantic Coastal Region of Argentina 393
Comparison of Newton's Integral in the Space and Frequency Domains 399
Wavelet evaluation of some singular geodetic integrals 405
Gravimetric Geoid Determination in the Andes 411
On the Numerical Solution of Parameters of the Least Squares Modification of Stokes' Formula 416
A Numerical Comparison of Different Ellipsoidal Corrections to Stokes' Formula 422
General Theory and Methodology 428
ON TOTAL LEAST-SQUARES ADJUSTMENT WITH CONSTRAINTS 429
GNSS Best Integer Equivariant Estimation 434
Performance comparison of the BIE estimator with the float and fixed GNSS ambiguity estimators 440
Parametric versus non-parametric methods for optimal weighted averaging of noisy data sets 446
Estimation of Variance Components Through a Combined Adjustment of GPS, Geoid and Levelling Data 452
A minimum energy condition for the inverse gravimetric problem 458
Successive Approximations in the Solution of a Weakly Formulated Geodetic Boundary- Value Problem 464
Computation of geopotential coefficients from gravity anomalies on the ellipsoid 471
Advanced Harmonic Development of the Earth Tide Generating Potential 477
Global Isotropic Isostatic Response Function in Terms of Zonal Spherical Harmonics 483
Parana Basin: One isostatic modeling using a Geographic Information System to delineate the main basement structures 489
Patching local empirical covariance functions - A problem in altimeter data processing 495
Asymptotic Dislocation Theory of a Spherical Earth for Calculating Co- seismic Displacement 500
The Use of Energy Balance Relations for Validation of Gravity Field Models and Orbit Determination Results 506
Biharmonic Spline Wavelets versus Generalized Multi- quadrics for Continuous Surface Representations 512
An Energy Approach for Intelligent Structural Health Monitoring Using Wavelet Analysis 518
On Discrete Schemes in Downward Continuation of Gravity 524
Application of Clebsch-Gordan Coefficients and Isomorphic Frame Transformations to Invert Earth's Changing Geometrical Shape for Continental Hydrological Loading and Sea Level's Passive Response 530
Role of algebra in modern day Geodesy 536
Geodynamics 542
Mixed-mode GPS deformation monitoring - A cost-effective and accurate alternative? 543
Two examples of optimal design of geodynamic GPS networks 548
Deformation of the South American Crust Estimated from Finite Element and Collocation Methods 554
Present-day Movement and Tectonic Strain Rate Field of Active Crustai Blocks in China Continent 560
Crustal deformations at permanent GPS sites in Denmark 566
Monitoring Land Subsidence of Jakarta ( Indonesia) Using Leveling, GPS Survey and InSAR Techniques 571
Microgravity survey in the southern tip of the Atera fault, Central Japan 577
Geothermal Reservoir Monitoring with Absolute Gravimetry 581
Towards a rigorous combination of VLBI and GPS using the CONT02 campaign 586
Fuzzy Inference Systems for the Prediction of Earth Rotation Parameters 592
Insight into Earth System Science: Variations in the Earth's Rotation and its Gravity Field 598
Oceanic excitation of polar motion from intraseasonal to decadal periods 599
EXCITATIONS OF POLAR MOTION FROM AN ENSEMBLE OF GLOBAL ATMOSPHERIC MODELS 605
Sensitivity Analysis of the Non-Linear Liouville Equation 609
Filters to estimate water storage variations from GRACE 615
Author Index 620
Keyword Index 623