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| Wednesday 5 September, 2001 |
| 08.30 - 10.00 | Symposium
B: From Eötvös to Satellite Gradiometry – New Vistas in Measuring and Modeling
the Earth’s Gravity Field
Session B1: Advances in the Theory of Gravity Field and Geoid Determination Future
Enhancements and Developments for the Next Generation of WGS
Fast
Spherical Collocation
Time-Wise
vs. Space-Wise: Competition or Partnership?
Closed
form Green’s Functions Solving Three Fundamental Gradiometric Boundary
Value Problems (Spherical Approximation)
The
Analytical Solutions of Geodetic Boundary Value Problems with Ellipsoidal
Boundary
Analytical
Geoid Models for the United States of America Based on GPS/Levelling Data
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| 08.30 - 10.00 | Symposium
D: Modeling Earth Processes and Global Change
Session D1: Ocean-Solid Earth Interactions Earth's
Shape Reveals Seasonal Pattern of Surface Mass Circulation
On
the Loading Effect of the Baltic Sea Observed by Superconducting Gravimeter
T020 at the Metsähovi Station, Finland
Angular
Momentum Budget of the Solid Earth, Atmosphere, Ocean System
Separation
of Individual Dynamical Processes in the Oceans and their Contribution
to Polar Motion Excitation
Climate
Excitation of Polar Motion
A Study
of the Oceanic Excitation of the Chandler Wobble Using a 50-Year Time Series
of Ocean Angular Momentum
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| 10.00 - 10.30 | Coffee/refreshments |
| 10.30 - 12.00 | Symposium
B: From Eötvös to Satellite Gradiometry – New Vistas in Measuring and Modeling
the Earth’s Gravity Field
Session B2: Use of Gravity Data from Earth and Planetary Satellite Missions Global
Gravity Field Recovery with CHAMP
Observing
Mass Redistributions Due to Climate Change
Review
of calibration methods for GOCE data
Combination
Geopotential Solution Development Anticipating Data from GRACE and GOCE
On
the Regularization Problem in Gravity Field Determination from Satellite
Gradiometric Data
External
Geophysical Validation and Calibration of an Orbiting Gravity Gradiometer
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| 10.30 - 12.00 | Symposium
D: Modeling Earth Processes and Global Change
Session D2: Variations in Earth Orientations On
Long Period Polar Motion
Modulation
of the Seasonal Cycle in the Earth's Atmospheric, Oceanic, and Mantle Angular
Momentum
Numerical
Solutions for the Non-Linear Liouville Equation
Episodic
Variations in the Earth Rotation
The
3-Dimensional Atmospheric Angular Momentum Budget of the SST-Forced ECHAM3-T21
Global Circulation Model (GCM)
Analysis
of High-Frequency Earth Rotation Parameter Series from GPS and VLBI
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| 12.00 - 13.30 | Lunch break |
| 13.30 - 15.00 | Symposium
B: From Eötvös to Satellite Gradiometry – New Vistas in Measuring and Modeling
the Earth’s Gravity Field
Poster Session General
Formulas for Estimating Powers of Topographic Height to be Taken into Account
for Terrain Corrections in Geoid Determination and Isostatic Compensations
Gravity
Field Modelling by Torsion Balance Data - A Case Study in Hungary
Instabilities
in Hill's Equations for Orbit Computations
The
African Geoid Project
A New
Hybrid Geoid Model for Japan, GSIGEO2000
From
Geoid Heights to Gravity Anomalies Values: Unbounded Versus Bounded Operators
Study
of Geometry of 3D Density Contrast Surfaces of Arbitrary Shape and their
Dynamics Using Gravitational Field Inversion
Precise
Geoid Computation Employing Adapted Reference Field, Seismic Moho Information
and Variable Density Anomaly
A New
Geoid Computation from Gravity and GPS/levelling Data in Andalusia (Southern
Spain)
Airborne
Gravity and Geoid Survey of the Baltic Sea
The
Arctic Gravity Project - Filling the Polar Gap of Satellite Gravity Missions
Downward
Continuation of Aerogravity Measurements
Simulation
of the Champ Accelerometer and Attitude Sensor Package and Comparison with
Real Data
Efficient
Computations of Regional Geoids from Airborne Data: A Case Study
Principal
Axes and Principal Moments of Inertia from Recent Satellite Gravity Field
Solutions
Computation
of Geoid Undulations from Gravity Anomalies by Means of Spherical Wavelets
A Discussion
on the Wiener Kolmogorov Prediction Principle with Easy to Compute and
Robust Variants
The
Impact of Stokes Kernel Modifications on the Long Wavelength Properties
of the Geoid
Recent
Simulation of the Gravity Field Mission GOCE
Aliasing
Effects in Terrain Correction Computation Using Constant and Lateral Density
Variation
Geoid
Determination Using Different Gravity Reduction Techniques
Simulation
of GOCE Observables
New
Mathematical Model for Evaluating the Potential Coefficients by the Least
Squares Approach
On
the Use and Abuse of Helmert's Second Method of Condensation
Calibration
of Satellite Gradiometer Data by Ground Gravity Data
Optimal
Merging of Airborne Gravity and Gravity Derived from Satellite Altimetry:
a Test Case along the Coast of Greenland
Geoid
Computations in Bavaria
The
Ellipsoidal Harmonic Expansion of the Gravity Field of Asteroid Eros 433
Estimated from the NEAR Doppler Tracking Data
Extreme
Gravity Variations at Short Range: The Colombian Andes as a Test Area for
the Satellite Gravity Missions
Local
Gravimetric Geoid Determination with Variable Surface Densities
The
Effect of Mean Sea Level Change on the Geoid
The
Least-Squares Complex Collocation, an Alternative Estimation Techniques
for Global Gravity Modeling from Satellite Gradiometry
On
the Iterative Solution of Ill-Conditioned Normal Equations by the Use of
Lanczos Methods
A Proposal
to Use the Baltic Sea Area as a Test Field for the Gravimetric Satellites
Determination
of Seasonal Gravity Variations by Forthcoming Gravity Satellite Missions
A Geopotential
Solution Incorporating Data from Recent Satellite Missions
On
the Ellipsoidal Correction to the Spherical Stokes in the Determination
of Geoid
Remarks
on Orthogonal Decomposition Theorem Applied in Inverse Gravimetric Problem
The
Effect of the Point Density of Gravity Data on the Accuracy of Geoid Undulations
Investigated by 3D Forward Modelling
Aliasing
and Polar Gap Effect on the Geopotential Coefficient Estimation: Space-wise
Simulation Study of GOCE Combined with GRACE
Improved
Block-Diagonal Approximation of the Normal Matrix in the Inversion of Satellite
Gravity Gradiometry Observations
Improved
Block-Diagonal Approximation of the Normal Matrix in the Inversion of Satellite
Gravity Gradiometry Observations
Moho
Depths and Isostatic Anomalies Computation using an Alternative Method
for Estimating Variable Density Anomalies
A Comparision
of Different Solution Methods for Altimetry Gravimetry Boundary Value Problems
using Smoothness Conditions along the Coast Line
Combination
of Gravity, Altimetry and GPS/Levelling Data for the Numerical Solution
of Altimetry-Gravimetry Boundary Value Problems
Determination
of Indonesian Gravity field from Combination of Satellite Altimeter, Surface
Gravity and Digital Terrain Model Data
Gravity
Prediction from Bathymetric Data to Densify Airborne Gravity Observations
The
Effect of Lateral Density Variation on Local Geoid Determination
Modified
Spheroidal Stokes Kernel: Finding the Optimal Degree of Modification and
Integration Cap-Size for Canada
Combination
of Geopotential Coefficients, Gravity Anomaly, and Gravity Gradiometry
Data in Geoid Height Determination
On
the Inversion of Grace Observables for Local Geoid Determination
Performance
of the Time-Wise Semi-Analytical Approach
Space-Propagative
Torque; Evaluating the Spin-Gravity Coupling Constant, K
Multiresolution
Methods for GRACE Geoid Analysis
Fast,
Spatial Domain Potential Field Modelling - Piecewise Polynomial Models
of the Green's Functions
Steps
to the Austrian GEOID 2000
Multiresolution
Analysis of the Geoid Based upon a GPS Collocation Solution of Data of
Type (i) Gravity Potential, (ii) Gravity Intensity and (iii) Vertical Deflections
Spheroidal
Harmonic Analysis to Degree / Order 1000 / 1000 in the World Geodetic Datum
2000
Somigliana-Pizzetti
Gravity – The International Gravity Formula – Accurate to the Sub-Nanogal
Level
Computational
Methods for the Discrete Downward Continuation of the Earth Gravity
Proyecto
Austral de Integracion Geoidal (PAIG) - An Example of Geoid Computation
and the Possible Improvement by Airborne Gravity Survey
Merging
Satellite Derived Gravity Anomalies with Ship Gravity Data in the Frequency
Domain
Concerning
a Non-Homogeneous Biharmonic Potential Theory for Geodesists and Geophysicists
Ellipsoidal
Free Air Anomalies from Spherical Harmonic Gravity Models
Generalisation
of Vertical Deflection Formulae for a Reference Spheroid: Application to
Australia and Greece
Improvement
of the University of New Brunswick's Gravimetric Geoid Model for Canada
The
Continuous Data Improvement for Quasi-Geoid Estimation in South America
The
Astro-Geological Geoid: a Precise Solution of Crustal Density Anomalies
External
Validation of GOCE Observations and Products
Numerical
Solution Strategies for Gravity Field Recovery: Comparison and Assessment
Implementation
of Solution Strategies for Global Gravity Field Determination on Massive
Parallel Systems and Beowulf Clusters
Accuracy
Assessment of Current Gravity Field Models
Estimation
of Three Dimensional Ice Stream Velocity Fields Using Multiple SAR Interferometry
Sensors
Model
Refinements in the Recovery of the Gravity Field - Variational Approach
Regional
and Global Satellite Gravity Recovery with Multigrid Methods on Icosahedral
Grids - a Simulation Study Based on Simulated CHAMP, GRACE and GOCE Observables
A Comparison
of Geoid Heights Derived from Recent Geopotential Models with Geoid Heights
Derived from Surface and Satellite Data in Greece
Preliminary
Investigation of a Super-High and Precision Resolution Gravity Field Model
of Australia Using Heterogeneous Data
Ocean
Tides for and from GRACE Gravimetry
An
Improved Model of the Gravity Anomaly Degree Variance
From
10**-3 cpd to 500 cpd, from local to global scale: Gravity observations
with superconducting gravimeters
A Simple
and Stable Approach to High Degree Spherical Harmonic Synthesis
Spacewise
Approach and Measurement Bandwidth in Satellite Gradiometry
|
| 15.00 - 15.30 | Coffee/refreshments |
| 15.30 - 17.00 | Symposium
B: From Eötvös to Satellite Gradiometry – New Vistas in Measuring and Modeling
the Earth’s Gravity Field
Session B3: Airborne Gravimetry Estimating
the Gravity Disturbance Vector from Airborne Data
Comparison
of GPS/INS with Airborne Gravimeter and Satellite Altimetry for Gravity
Disturbance and Geoid Determination
Sensor
Calibration and Orientation for Strapdown Airborne Gravimetry by GPS
Error
Sources in Airborne Gravimetry Employing Spring-Type Gravimeter
High
Accuracy, Short Wavelength Gravity Field Estimation from a Helicopter
Geoid
Determination from Airborne Gravity Data Using Different Filtering Frequencies
and DTM Resolutions
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| 15.30 - 17.00 | Symposium
D: Modeling Earth Processes and Global Change
Session D3: Global and Regional Sea-level Changes GPS
Based Estimates of Heights and Vertical Velocities for Tide Gauge Sites
around the North Atlantic Ocean
Sea
Level Variations in the North Atlantic
Seasonal
and Low-Frequency Variability in Global and Basin-Scale Sea Level: 1900-2000
Observations
of Recent Sea Level Change Using TOPEX/POSEIDON Altimetry
Mediterranean
Sea Level Variation: Altimetry Data and Oceanographic Models
Sea-Level
Variations in the Baltic Sea: Consistency of Geodetic Observations and
Oceanographic Models
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