Faculty of Science, University of Porto International Association of Geodesy  
 










[Program] [Schedule]

Thursday, 2 September:


Session 3: Regional geoid modeling
Oral Part 3 - Chair: U. Marti

Speaker Title
09:00-09:15 N.K. Pavlis
and J. Saleh
Error Propagation with Geopgraphic Specificity for Very High Degree Gravitational Models

09:15-09:30 G.S. Vergos,
I.N. Tziavos
and V.D. Anritsanos
Gravity Data Base Generation and Geoid Model Estimation Using Heterogeneous Data

09:30-09:45 J. Flury Short wavelength spectral properties of the gravity field

09:45-10:00 C. Jekeli,
S.-C. Han and
J. G. Serpas
Airborne Gravimetry: A Review of New Methods for Geoid Determination

10:00-10:15 B. Alberts,
R. Klees
and P. Ditmar
A new strategy to handle observation noise in the processing of airborne gravity data

10:15-10:30 M. Schmidt,
J. Kusche,
C.K. Shum,
S.-C. Han,
O. Fabert,
S. Kenyon
and R. Forsberg
Multi-Resolution Representation of Regional Gravity Data

Break

Oral Part 4 - Chair: I.N. Tziavos

Speaker Title
11:00-11:15 M. Reguzzoni,
F. Sansň
and G. Venuti
Krigin a local geoid

11:15-11:30 G. Moreaux,
M.-F. Lalancette,
D. Rouxel
and F. Ponchaut
On the Parameterization of Planar Models

11:30-11:45 R.V. Garcia,
C.A. Alejo
and C.R. Mraila
On the inversion of geodetic integrals using DFT

11:45-12:00 R. Cunderlik,
K. Mikula
and M. Mojzes
On computational improvements of the variational solution to the Neumann geodetic boundary value problem for the global and regional quasigeoid modelling

12:00-12:15 C. Antunes A combined linear formulation of the boundary-value problem in the gravity space applied to local geoid determination

12:15-12:30 P. Holota A Study on a Two-boundary Problem in Airborne Gravimetry and Satellite Gradiometry

12:30-12:45 O. Gitlein,
J. Müller
and H. Denker
Local Geoid Computation by the Spectral Combination Method

12:45-13:00 R. Grebenitcharsky,
N. Sneeuw
and M.G. Sideris
Orthogonalization of spherical wavelets for applications on a bounded spherical domain

Lunch

Session 7: Terrestrial gravity instrumentation, networks, and geodynamics
Oral Part 1 - Chair: T. van Dam

Speaker Title
14:30-14:50 O. Francis Results of the International Comparison of Absolute Gravimeters in Walferdange (Luxembourg) of November 2003

14:50-15:05 J.E. Faller
and A.L. Vitouchkine
Measurements Results with a New Small Cam-Driven Absolute Gravimeter

15:05-15:25 C.R. Wilson,
J. Sharp
and B. Scanlon
The Field Superconducting Gravimeter - A Hydrogeologic Sensor

15:25-15:40 H. Wilmes,
R. Falk,
E. Roland,
A. Lothhammer,
A. Reinhold,
B. Richter,
H.-P. Plag
and J. Mäkinen
Long-term Gravity Variations in Scandinavia from Repeated Absolute Gravity Measurements in the Period 1991 to 2003

15:40-16:00 S. Zerbinni,
F. Matoni,
B. Richter
and T. Van Dam
Monitoring Crustal Deformation by Continuous Gravity and GPS Observations

Break

Oral Part 2 - Chair: S. Okubo

Speaker Title
16:30-16:45 Z. Li,
C. Xu
and Y. Liao
The methodology of joint inversion using GPS velocity with observed gravity data and its application in Sichuan-Yunnan rhombus block

16:45-17:00 E.V. Ranglova
and M.G. Sideris
Dynamic Geoid Modelling - A General Overview

17:00-17:15 A. Kopaev
and B. Ducarme
Testing of Recent Oceanic and Earth Tidal Models

17:15-17:30 S. Okubo,
A. Takagi,
S. Matsumoto,
a. Araya,
K. Fukui
and W. Sun
First Absolute Gravity Measurments on the Top of Mt. Fuji, Japan

17:30-17:45 Y. Fukuda,
T. Higashi,
S. Takemoto,
S. Iwano,
K. Doi,
K. Shibuya,
Y. Hiraoka,
I. Kimura,
H. McQueen
and R. Govind
Absolute Gravity Measurements in Australia and Syowa Station, Antarctica

17:45-18:00 J. Ihde,
T. Baker,
C. Bruyninx,
O. Francis,
M. Amalvict,
A. Kenyeres,
J. Makinen,
S. Shipman,
J. Simek
and H. Wilmes
First Results of the Development of a European Combined Geodetic Network (ECGN)

Authors in attendance for the posters of sessions 4 to 9

18:30 - 20:00
Posters for session 4
18:30 - 20:00
Label Authors Title
P4_1 H. Denker Evaluation of SRTM3 and GTOPO30 Terrain Data in Germany

P4_2 G. Rodríguez-Velasco,
P. González,
I. Galindo,
E. Padrón,
F.J. González-Matesanz,
P.A. Hernández,
N.M. Perez
and J. Fernández
Vulcano monitoring in La Palma and Tenerife, Canary Islands, using radar interferometry and geochemistry. Results for the period 1992-2000

P4_3 K.C. Slatton,
V. Aggarwal,
K. Nagarajan
and W.E. Carter
Multiscale Estimation of Terrain Complexity Using ALSM Point Data on Variable Resolution Grids

P4_4 M. G. Kocak,
G. Buyuksalih
and M. Oruc
DEM Validation of SRTM-X and C band DEM products on an mountainous and moderate foresty test site

18:30 - 20:00
Posters for session 5
18:30 - 20:00
Label Authors Title
P5_1 A.A. Makhloof
and K.H. Ilk
The use of Topographic-Isostatic Gravity Field Information in Satellite-to-Satellite Tracking and Satellite Gravity Gradiometry Recovery Procedures

P5_2 A. Borghi,
D. Carrion,
G. Sona
and G. Venuti
DTMs validation in view of a new Italian and European geoid computation

P5_3 A. Hernández-Navarro Gravimetrical Maps of Mexico

P5_4 A. Núnez Andrés
and J. Gili
Analysis of Digital Elevations Models in National Park of Dońana (Spain)

P5_5 C. Kotsakis
and C. Malmquist
An evaluation of various digital evaluation models over Canada

P5_6 H.A. Abd-Elmotaal The AFDHM04 Digital Height Models for Africa

P5_7 J. Bennet,
P.A.M. Berry
and J.D. Garlick
Global assessment of SRTM data with satellite radar altimeter data

P5_8 J. Catalăo,
M.J. Fernandes
and L. Bastos
Mapping Multi_source Gravity Data using Optimal Interpolation

P5_9 J.-P. Barriot,
M. Sarrailh,
S. Pecquerie
and B. Langellier
The Gravimetric and Bibliographic Databases of the International Gravimetric Bureau

P5_10 K. Seitz,
F. Wild
and B. Heck
Efficicient calculation of the tesseroid potential and its derivatives up to second order

P5_11 L. Zhu
and C. Jekeli
Efficient Gravitational Gradient Modeling from Regular Terrain Data Bases

P5_12 M.J. Amos
and W.E. Featherstone
A Comparison of Gridding Techniques for Terrestrial Gravity Observations in New Zealand

P5_13 P. Dumrongchai
and C. Jekeli
Small Mass Anomalies Detection from Airborne and Ground Gradiometry by a combination of Wiener Filtering, the Matched Filter, and Hypothesis Testing

P5_15 U. Marti Comparison of SRTM data with the national DTMs of Switzerland


18:30 - 20:00
Posters for session 6
18:30 - 20:00
Label Authors Title
P6_1 J.J. Martinez-Benjamin,
J. Martin Davila,
J. Garate,
P. Bonnefond,
M.A. Ortiz Castellon,
C. Garcia,
J. Talaya,
A. Baron,
S. Gonzalez,
A. Nunez,
F. Buill,
J. Lopez,
M. Martinez,
B. Perez,
G. Rodriguez,
M. Sevilla,
D. Gomis,
Y. Menard
and E. Jeansou
Ibiza Island Absolute Altimeter JASON-1 Calibration Experiment: survey and first results

P6_2 G. Rodríguez-Velasco,
M.J. Sevilla
and J.J. Martínez Benjamin
Analysis of geoid and sea level slope in the area of the JASON-1 calibration campaign, IBIZA 2003

P6_3 P. Knudsen, O. Andersen
and A. Vest
Multi-mission mean sea surface and geoid models for ocean monitoring within the GOCINE project

P6_4 G.S. Vergos and I.N. Tziavos A geodetic perspective to the estimation of the quasi-stationary sea surface topography and current velocities in a closed sea area

P6_5 I. Bashmachnikov,
V. Lafon
and A. Martins
SST stationary anomalies as a mean for detecting ocean circulation

P6_6 O. Makarynskyy,
M. Kuhn
and W.E. Featherstone
Modelling Future Sea Level Change under Greenhouse Warming Scenarios with an Earth System Model of Intermediate Complexity

P6_7 O. Makarynskyy,
M. Kuhn,
D. Makarynska
and W.E. Featherstone
The Use of Artificial Neural Networks to Retrieve Sea Level Information from Remote Data Sources

P6_8 R. Dalazoana,
R.T. Luz,
S.R.C. De Freitas
and J.C.B. Soto
First Studies to Estimate Temporal Variations of the Sea Level at the Brazilian Vertical Datum

P6_9 J.L. Trabanco,
D. Blitzkow,
A.R. Mesquita
and C.A. França
Relative Sea Level of the Year 1831 in Praia do Pulso

P6_10 C. Hwang,
M.-F. Peng,
J. Ning,
J. Luo
and C.-H. Sui
Lake level variations in Chia from TOPEX/Poseidon altimetry: data quality assessment and links to precipitation and ENSO

P6_11 R. Savcenko
and W. Bosch
Residual Tide Analysis in Shallow Water using Ground Tracks of T/P and T/P-EM

P6_12 E.L. Mathers
and P.A.M. Berry
Global coastal-zone altimetry

P6_13 M.F. LeQuentrec-Lalancette,
D. Rouxel
and O. Sarzeaud
Merging of gravity data and bathymetric data to recover high frequency signal by a neural method

P6_14 D.C. McAdoo,
K.M. Marks,
S. Laxon,
A.L. Ridout
and S.L. Farrell
Altimetric Gravity and Sea Surface Topography of the Arctic Ocean: Comparisons with gravimetry

P6_15 M. Roland
and H. Denker
Combination of Marine and Altimetric Gravity Data for Geoid Determination

P6_16 M.J. Amos,
W.E. Featherstone
and J.W. Brett
Crossover Adjustment of New Zealand Marine Gravity Data, and Comparisons with Satellite Altimetry and Global Geopotential Models

P6_18 R. Mautz
and B. Schaffrin
Merging two Regional Geoid Estimates by Using Optimal Variance Components of Type Repro-BQUUE: An Algorithmic Approach

P6_19 J. Klokocnik,
J. Kostelecky
and M. Kocandrlova
Geometry, Accuracy, and Position of Ocean Reflecting Points in Bistatic Satellite Altimetry

18:30 - 20:00
Posters for session 7
18:30 - 20:00
Label Authors Title
P7_1 E. Rodríguez Pujol Absolute Gravity Network in Spain

P7_2 T. Basic,
D. Markovinovic
and M. Rezo
Basic Gravimetric Network of the Republic of Croatia

P7_3 F. Duquenne,
H. Duquenne,
T. Gattacceca
A New Gravity Network Collected with GPS Network in France

P7_4 A. Martín,
J. Padín
and A.B. Anquela
The new Local Gravity Net in Velencia Province (Spain)

P7_5 T. Oja Apparent Temporal Changes of Gravity on the Estonian Gravity Network

P7_6 G. Boedecker,
O. Francis
and A. Kenyeres
Unified European Gravity Reference Network 2002 (UEGN2002) - Status 2004

P7_7 J. Mäkinen,
L. Bastos,
P. Baptista,
J. Catalăo,
H. Kol,
R. Vieira
Absolute gravity measurements in the Azores and in the Iberian Peninsula

P7_8 M.A. De Sousa New Absolute Gravity Measurements in Brazil

P7_9 F.G. Nievinski
and S.F. De Souza
A Reusable Software Library in C for Earth Tides Prediction

P7_10 J.-P. Barriot,
M. Sarrailh,
J. Liard
and G. Boedecker
AGMAF-03: A New Archiving Format to Store Absolute Gravity Measurements at the International Gravimetric Bureau

P7_11 G.S. Junior,
S.R.C. Freitas,
C. Gemael
and P.L. Faggion
Comparison of the solutions obtained for a gravity network considering observations medium or independent: Application of the precision and reliability criteria for geodetic networks

P7_12 B.R. Pettersen,
O.C.D. Omang,
J.G.G. Svendsen,
O. Övstedal,
J.Müller,
L. Timmen,
H. Denker,
O. Gitlein,
J. Mäkinen,
H. Wilmes,
H.-G. Scherneck
Observing Temporal Gravity Changes in Fennoscandia

P7_13 M. Bilker,
J. Mäkinen,
H. Virtanen
Time series of gravity in Finland

P7_14 A. Kopaev,
A. Gurbanov,
V. Milyukov
and S. Takemoto
Complex Investigation of Mt. Elbrus Magmatic Center from Relative Gravity and Tidal Strain Data

P7_15 V. Palinkas
and J. Kostelecky (jr.)
Seasonal Variations of Gravity from Three-year Absolute Gravity Measurements at the Station Pecn_, Czech Republic

P7_16 M. Lederer
and O. Nesvadba
PDA utilization for reading the CPI of LaCoste-Romberg G No. 1068 meter

P7_17 L. Timmen Two Years' Experiences with the SCINTREX Autograv CG-#M No. 4492 from Measurements in the Hannover Calibration System and from Field Applications

P7_18 L. Völgyesi,
G. Tóth
and G. Csapó
Determination of gravity anomalies from torsion balance measurements

P7_19 G. Tóth,
L. Völgyesi,
G. Csapó
Determination of vertical gradients from torsion balance measurements

P7_20 C. Kotsakis The effect of an unknown bias on the statistical accuracy of least-squares solutions: some concerns for the estimation of geodetic parameters

18:30 - 20:00
Posters for session 8
18:30 - 20:00
Label Authors Title
P8_1 E.V. Ranglova,
R.S. Grebenitcharsky
and M.G. Sideris
A study of the sea level rates due to Pleistocene deglaciation by means of wavelets analysis of altimetry data

P8_2 H. A. Abd-Elmotaal Long-Period Temporal Variation of the Gravity Field

P8_4 M. Amalvict,
M.F. LeQuentrec-Lalancette,
B. Simon,
J. Hinderer
Vertical movement and absolute gravity in France: Brest experiment (1998-2004)

P8_5 J.-P. Barriot,
M. Sarrailh
and T. Fayard
Microgravimetry Monitoring of the Garona River Table near Toulouse during 2003-2004

P8_6 F. Jarecki,
J. Müller,
S. Petrovic,
P. Schwintzer
Temporal Gravity Variations in GOCE Gradiometric Data

P8_7 D. Kiryan
and G. Kiryan
Motion of the Earth's center of Mass

P8_9 Th. Peters Considerations on the recovery of time-variable gravity from GOCE

P8_10 Z. Martinec,
K. Fleming
and I. Sasgen
Geoid displacement due to changes in global ice volumes: Detectability by GRACE gravity-space mission

P8_11 K.-W. Seo
and C.R. Wilson
Estimating GRACE Aliasing Errors

P8_12 W. Sun
and S. Okubo
Three Parallel Methods to Study Co-seismic Deformations Detectable by Satellite Gravity Missions. A Case Study of Alaska (1964, 2002) and Hokkaido (2003) Earthquakes in the Spectral Domain

P8_13 Gy. Töth The gradiometric-geodynamic boundary value problem

P8_14 L. Völgyesi,
G. Csapó
and Z. Szabó
Investigation of regional relationship between the time variation of gravity, the sediment thickness and the vertical surface movement in the Carpathian Basin

P8_15 L. Völgyesi,
G. Tóth
and I. Cerovsky
Modelling gravity gradient variations due to water mass fluctuations

P8_17 M. Scheinert,
H. Anschütz,
G. Rotschky,
S. Roemer,
A. Senatorov,
J. Brovkov,
R. Dietrich,
H. Miller,
W. Jokat and A. Yuskevich
VISA 2003/04 - Geodetic, Glaciological and Geophysical Observation Campaign in Dronning Maud Land, Antarctica, for the Validation and Interpretation of New Satellite Data

P8_18 C. Shum,
A. Braun,
S.-C. Han,
L. Potts,
M. Schmidt
and M.-J Lai
Inversion of Tectonically-Driven Spatio-Temporal Gravity Signals Using Spaceborne Gravity Measurements

18:30 - 20:00
Posters for session 9
18:30 - 20:00
Label Authors Title
P9_1 J.-P. Barriot,
V. Dehant
and M. Yseboodt
NEIGE: A Geodetic Network on Mars, to Study the Cinematic of the Planet, its Internal Structure and the Balance of Volatiles

P9_2 J. Duron,
P. Rosenblatt,
Ö. Karatekin,
V. Dehant
and J.-P. Barriot
Recovery of the Martian Zonal Gravity Variations From Combinations of Simulated Geodetic Data

P9_3 R. A. Kascheev The use of new satellite techniques to improve the gravity parameters of Earth, Moon and Mars

P9_4 G.A. Neumann,
B.G. Bills,
D.E. Smith
and M.T. Zuber
Shadowy Moons: Phobos Ephemeris From MOLA Observations

P9_5 S. Pieraux
and J.-P. Barriot
and P. Rosenblatt
Integrating The Motion of Geodetic Satellites in a Coherent Relativistic Framework

P9_6 D.E. Smith
and M.T. Zuber
The Gravity Fields and Masses of Mars' Seasonal Icecaps

P9_7 P. Dunn,
M. Torrence
and S. Fricke
and D. Rowlands
Geodetic Parameter Resolution and the MGS Orbit