A Window on the Future of Geodesy: Proceedings of the International Association of Geodesy IAG General Assembly Sapporo, Japan June 30 – July 11, 2003

ITRF Combination — Status and Recommendations for the Future....Pages 3-8
Time Evolution of the Terrestrial Reference Frame....Pages 9-14
Scale variation of GPS time series....Pages 15-20
Vertical repeatability of GPS measurements in the Tsukuba GPS/MET dense-network campaigns....Pages 21-25
Horizontal Crustal Motion Estimates for the UK inferred from GPS: Preliminary Results....Pages 26-31
Results of the SIRGAS Campaign 2000 and Coordinates Variations with Respect to the 1995 South American Geocentric Reference Frame....Pages 32-37
Implementation of a Semi-Dynamic Datum for New Zealand....Pages 38-43
GPS measurements to investigate the reason why GPS is less accurate in mountain areas....Pages 44-47
Towards More Reliable Estimation of GPS Positioning Accuracy....Pages 48-53
Realistic Uncertainty Measures for GPS Observations....Pages 54-59
Networked Transport of RTCM via Internet Protocol (NTRIP)....Pages 60-64
Numerical Weather Predictions for GPS Positioning....Pages 65-70
A Multi-Base-Station Approach for Long Range Differential GNSS Positioning of Airborne Sensors....Pages 71-76
Point Real-Time Kinematic Positioning....Pages 77-82
The Integration of GPS and Pseudolites for Bridge Monitoring....Pages 83-88
Hybrid Sensor System for Bridge Deformation Monitoring: Interfacing with Structural Engineers....Pages 89-94
A Fuzzy System for the Assessment of Landslide Monitoring Data....Pages 95-100
OASYS — Integrated Optimization of Landslide Alert Systems....Pages 101-104
Combined Evaluation of Geodetic and Geotechnical Data during Tunnel Excavation by Use of a Knowledge-Based System....Pages 105-110
Quasi real-time positioning of spacecrafts using the Internet VLBI system....Pages 113-118
Rapid Turnaround EOP Measurements by VLBI over the Internet....Pages 119-124
Determination of tropospheric parameters within the new IVS Pilot Project....Pages 125-130
Vlbionos — Probing the Ionosphere by Means of Very Long Baseline Interferometry....Pages 131-136
Numerical Simulations for Geodetic Parameter Estimation from Space VLBI Data....Pages 137-140
Relativistic VLBI Delay Model for Finite Distance Radio Source....Pages 141-145
Synergy of VLBI and GPS observations in Japan....Pages 146-151
Ground-based verification of four-way Doppler measurement for the SELENE mission....Pages 152-156
Results of the Critical Design of RSAT/VRAD Mission Instruments on SELENE Sub-satellites Rstar/Vstar for Selenodesy....Pages 157-162
Application of a PZT telescope to In situ Lunar Orientation Measurement (ILOM)....Pages 163-168
Combined Processing of GPS Data from Ground Station and LEO Receivers in a Global Solution....Pages 169-174
Efficient Stochastic Orbit Modeling Techniques using Least Squares Estimators....Pages 175-180
Kinematic Precise Orbit Determination for Gravity Field Determination....Pages 181-188
Gravity Field Recovery and Validation by Analysis of Short Arcs of a Satellite-to-Satellite Tracking Experiment as CHAMP and GRACE....Pages 189-194
Combination of Sea-Level Observations and an Oceanographic Model for Geodetic Applications in the Baltic Sea....Pages 195-200
Analysis of GPS Campaign Observations of the Asia Pacific Regional Geodetic Project (APRGP) -Establishment of a Velocity Field-....Pages 201-206
The proposed International DORIS Service....Pages 207-213
Calibration/validation of GOCE data by terrestrial torsion balance observations....Pages 214-219
Repeated Measurements of Gravity with the Absolute Gravimeter FG5 #210 at Matsushiro, Japan and Comparison with the Superconducting Gravimeter T011....Pages 223-228
Application of Gravimetry by Helicopter to Identify Marine Active Faults and Improve Accuracy of Geoid at Coastal Zones....Pages 229-235
A Gravity Database of Southwest Japan: Application to Bouguer Gravity Imaging in Kyushu District, Southwest Japan....Pages 236-241
Gravity-Based Fault Mapping: The Ishikari Lowland, Hokkaido, Japan....Pages 242-247
Compilation and Evaluation of a Consistent Marine Gravity Data Set Surrounding Europe....Pages 248-253
Comparison of Downward Continuation Methods of Airborne Gravimetry Data....Pages 254-258
Optimisation of Density Parameter in Gravity Prediction from Bathymetry....Pages 259-264
Calibration and Validation of GOCE Gravity Gradients....Pages 265-270
Impact of space-borne gravity gradiometer instrument filter on observation error and gravity field recovery performance for GOCE....Pages 271-276
Testing frame-transformation, gridding and filtering of GOCE gradiometer data by Least-Squares Collocation using simulated data....Pages 277-282
Processing of Champ ACC and RSO Data in the Earth Gravity Field Determination....Pages 283-287
One year of time-variable CHAMP-only gravity field models using kinematic orbits....Pages 288-293
Topographic-Isostatic Reductions in Satellite Gravity Gradiometry Based on a Generalized Condensation Model....Pages 294-299
Long-wavelength Discrepancies Between the Australian Gravity Field and EIGEN-2 CHAMP Data....Pages 300-305
Comparison of new Geoid Models and EIGEN-2S in the North Atlantic Region....Pages 306-309
Computation of a geopotential model from GOCE data using fast spherical collocation — A simulation study....Pages 310-313
Improved Determination of Sea Surface Heights Close to the Australian Coast from ERS-2 Satellite Radar Altimetry....Pages 314-319
A numerical study of solving the altimetry-gravimetry boundary value problem in coastal regions....Pages 320-325
Improved High Resolution Altimetric Gravity Field Mapping (KMS2002 Global Marine Gravity Field)....Pages 326-331
On the Determination of Marine Geoid Models by Least-Squares Collocation and Spectral Methods Using Heterogeneous Data....Pages 332-337
Progress towards implementation and development of a New Zealand national vertical datum....Pages 338-343
Prediction of Vertical Gravity Gradients Using Gravity and Elevation Data....Pages 344-349
Construction of a Synthetic Earth Gravity Model by Forward Gravity Modelling....Pages 350-355
First Results Towards An Isostatically Compensated Reference Earth Model....Pages 356-361
Towards the Estimation of a Multi-Resolution Representation of the Gravity Field Based on Spherical Wavelets....Pages 362-367
Stokes Integration versus Wavelet Techniques for Regional Geoid Modelling....Pages 368-373
A Preliminary Geoid Model for Africa....Pages 374-379
Optimal Marine Geoid Determination in the Atlantic Coastal Region of Argentina....Pages 380-385
Comparison of Newton’s Integral in the Space and Frequency Domains....Pages 386-391
Wavelet evaluation of some singular geodetic integrals....Pages 392-397
Gravimetric Geoid Determination in the Andes....Pages 398-402
On the Numerical Solution of Parameters of the Least Squares Modification of Stokes’ Formula....Pages 403-408
A Numerical Comparison of Different Ellipsoidal Corrections to Stokes’ Formula....Pages 409-414
On Total Least-Squares Adjustment with Constraints....Pages 417-421
GNSS Best Integer Equivariant Estimation....Pages 422-427
Performance comparison of the BIE estimator with the float and fixed GNSS ambiguity estimators....Pages 428-433
Parametric versus non-parametric methods for optimal weighted averaging of noisy data sets....Pages 434-439
Estimation of Variance Components Through a Combined Adjustment of GPS, Geoid and Levelling Data....Pages 440-445
A minimum energy condition for the inverse gravimetric problem....Pages 446-451
Successive Approximations in the Solution of a Weakly Formulated Geodetic Boundary-Value Problem....Pages 452-458
Computation of geopotential coefficients from gravity anomalies on the ellipsoid....Pages 459-464
Advanced Harmonic Development of the Earth Tide Generating Potential....Pages 465-470
Global Isotropic Isostatic Response Function in Terms of Zonal Spherical Harmonics....Pages 471-476
Paraná Basin: One isostatic modeling using a Geographic Information System to delineate the main basement structures....Pages 477-482
Patching local empirical covariance functions — A problem in altimeter data processing....Pages 483-487
Asymptotic Dislocation Theory of a Spherical Earth for Calculating Co-seismic Displacement....Pages 488-493
The Use of Energy Balance Relations for Validation of Gravity Field Models and Orbit Determination Results....Pages 494-499
Biharmonic Spline Wavelets versus Generalized Multi-quadrics for Continuous Surface Representations....Pages 500-505
An Energy Approach for Intelligent Structural Health Monitoring Using Wavelet Analysis....Pages 506-511
On Discrete Schemes in Downward Continuation of Gravity....Pages 512-517
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....Pages 518-523
Role of algebra in modern day Geodesy....Pages 524-529
Mixed-mode GPS deformation monitoring — A cost-effective and accurate alternative?....Pages 533-537
Two examples of optimal design of geodynamic GPS networks....Pages 538-543
Deformation of the South American Crust Estimated from Finite Element and Collocation Methods....Pages 544-549
Present-day Movement and Tectonic Strain Rate Field of Active Crustal Blocks in China Continent....Pages 550-555
Crustal deformations at permanent GPS sites in Denmark....Pages 556-560
Monitoring Land Subsidence of Jakarta (Indonesia) Using Leveling, GPS Survey and InSAR Techniques....Pages 561-566
Microgravity survey in the southern tip of the Atera fault, Central Japan....Pages 567-570
Geothermal Reservoir Monitoring with Absolute Gravimetry....Pages 571-575
Towards a rigorous combination of VLBI and GPS using the CONT02 campaign....Pages 576-581
Fuzzy Inference Systems for the Prediction of Earth Rotation Parameters....Pages 582-587
Oceanic excitation of polar motion from intraseasonal to decadal periods....Pages 591-596
Excitations of Polar Motion from an Ensemble of Global Atmospheric Models....Pages 597-600
Sensitivity Analysis of the Non-Linear Liouville Equation....Pages 601-606
Filters to estimate water storage variations from GRACE....Pages 607-611