Abstracts & Presentations​

REFAG 2022 – Abstracts and presentations

Session 1 – Global Reference Frame Theory, Concepts and Computations

Chairs: X. Collilieux and E.C. Pavlis

Z. Altamimi, P. Rebiscung, X. Collilieux, L. Métivier and K. Chanard

ITRF2020: An overview of its features and results [abstract] [presentation]

P. Rebischung, Z. Altamimi, X. Collilieux, L. Métivier and K. Chanard

ITRF2020 seasonal geocenter motion model [abstract] [presentation]

E.C. Pavlis, V. Luceri, A. Basoni, D. Sarrocco, M. Kuzmicz-Cieslak, K. Evans and G. Bianco

The ILRS Analysis Standing Committee Contribution to ITRF2020 [abstract] [presentation]

C. Kotsakis and M. Chatzinikos

Evaluation of common-mode errors in global multi-year frames: A case study in the ITRF solution series [abstract] [presentation]

J. Bogusz, A. Klos and G. Moreaux

Noise evolution in IDS contributions: from ITRF2014 to ITRF2020 [abstract

M. Seitz, M. Bloßfeld, M. Glomsda, D. Angermann, S. Rudenko and J. Zeitlhöfler

DTRF2020: the ITRS 2020 realization of DGFI-TUM [abstract] [presentation]

R. Gross, C. Abbondanza, T.M. Chen, M. Heflin and J. Parker

Sequentially Estimating and Updating Terrestrial Reference Frames [abstract] [presentation]

M. Moreira, E. Azcue, M. Karbon, S. Belda, V. Puente, R. Heinkelmann, D. Gordon and J. Ferrándiz

VLBI-based assessment of the consistency of the conventional EOP series and the terrestrial reference frames [abstract] [presentation]

D. Thaller, C. Flohrer, G. Engelhardt, A. Girdiuk, H. Hellmers, D. König, S. Modiri, S. Bachmann, W. Dick, S. Geist, M. Goltz, L. Lengert, S. Schneider-Leck and D. Ullrich

The contributions by BKG to the realization of the global geodetic reference frame [abstract] [presentation]

L. Sanchez, J. Huang, R. Barzaghi and G.S. Vergos

Advances in the determination of a global unified reference frame for physical heights [abstract] [presentation]

F. Pollinger, C. Eschelbach, C. Courde, L. Garcia-Asenjo, J. Guillory, P.O. Hedekvist, U. Kallio, T. Klügel, M. Lösler, P. Neyezhmakov, D. Pesce, M. Pisani, J. Seppä, R. Underwood, K. Wezka and M. Wiśniewski

The GeoMetre project: a comprehensive study to advance local tie metrology [abstract] [presentation]

X. Collilieux, Z. Altamimi, P. Rebischung, L. Métivier, K. Chanard and M. de la Serve

Consistency evaluation of seasonal signals in ITRF2020 [abstract] [presentation]

B. Männel, S. Glaser, A. Brandt and H. Schuh

The impact of non-tidal surface loading deformation on GNSS coordinate time series [abstract] [presentation]

J-P. Boy, P. Rebischung and Z. Altamimi

Comparison of ITRF2020 residual displacements with environmental loading models [abstract] [presentation]

M. Glomsda, M. Seitz, M. Bloßfeld and D. Angermann

Effects of non-tidal loading applied in VLBI reference frames [abstract] [presentation]

P-K. Diamantidis and R. Haas

Assessment of geodetic products from 24 h VGOS sessions using ITRF2020 [abstract] [presentation]

J. Barneoud, C. Courde, J. Beilin, M. Germerie-Guizouarn, D. Pesce, M. Vidal, X. Collilieux and N. Maurice

Automatic determination of the SLR reference point at Côte d’Azur multi-technique geodetic Observatory [abstract] [presentation]

A. Mémin, J-P. Boy and A. Santamaría

Mitigating seasonal changes in terrestrial reference frame realization [withdrawn]

D. Mayer, J. Böhm, S. Böhm and H. Krásná

The Vienna VLBI contribution to the ITRF2020 [abstract] [presentation]

Session 2 – Space Geodetic Measurement Techniques

Chairs: U. Hugentobler and K. Sośnica

M. Poutanen, M. Bilker-Koivula, J. Eskelinen, U. Kallio, N. Kareinen, H. Koivula, S. Lahtinen, J. Näränen, J. Peltoniemi, A. Raja-Halli and N. Zubko

Upgrading the Metsähovi Geodetic Research Station [abstract] [presentation]

V. Husson, P. Dunn, J. Laing, T. Oldham and T. Carpenter

NASA SLR Systematic Error Analysis [abstract] [presentation]

P. Dunn, T. Oldham and V. Husson

Accuracy Improvement to SLR network stations from Reference Frame Analysis [abstract] [presentation]

R. Handirk, P-K. Diamantidis, K. Le Bail, T. Nilsson and R. Haas

Assessment of thermal deformation modelling for the geodetic VLBI telescopes at Onsala Space Observatory [abstract] [presentation]

L. Petrov, J. York, J. Skeens, R. Ji-Cathriner, D. Munton and K. Herrity

Precise VLBI/GNSS ties with micro-VLBI [abstract] [presentation]

K. Le Bail, T. Nilsson, R. Haas and F.L. Nyström

Understanding the change in the VLBI scale behavior [abstract] [presentation]

P. Steigenberger and O. Montenbruck

Consistency of Galileo Satellite Antenna Phase Center Offsets [abstract] [presentation]

K. Sośnica, R. Zajdel, G. Bury and K. Kazmierski

Draconitic, tidal, and orbital aliasing signals in multi-GNSS solutions [abstract] [presentation]

H. Wolf, J. Böhm, U. Hugentobler and A. Nothnagel

Adjustment of orbital elements of Galileo satellite arcs with simulated VLBI observations [abstract] [presentation]

A. Reinhold, P. Schreiner, R. Koenig and K-H. Neumayer

Precise orbit and reference frame determination using multiple altimetry satellite missions with DORIS technique [abstract] [presentation]

P. Schreiner, N. Mammadaliyev, S. Glaser, R. Koenig, K-H. Neumayer and H. Schuh

On how multi-technique co-location in space can contribute to the Global Geodetic Observing System goals [abstract

S. Raut, S. Glaser, N. Mammadaliyev, P. Schreiner, R. König and H. Schuh

Assessing the potential of VLBI transmitters on next generation GNSS satellites for geodetic products [abstract] [presentation]

G. Bury, K. Sośnica, R. Zajdel, D. Strugarek and U. Hugentobler

Global reference frame realization onboard GNSS satellites [abstract] [presentation]

R. Zajdel, P. Steigenberger and O. Montenbruck

Quality assessment of the BeiDou-3 phase center offset calibrations in terms of the realization of the terrestrial reference [abstract] [presentation]

W. Huang, B. Männel, A. Brack and H. Schuh

GNSS-based scale realization by integrating LEOs [abstract] [presentation]

R. Haas, P-K. Diamantidis, G. Elgered, J. Johansson and T. Nilsson

Assessment of parameters describing the signal delay in the neutral atmosphere derived from VGOS R&D sessions [abstract] [presentation]

I-D. Herrera Pinzón and M. Rothacher

On the Impact of Local- and Tropospheric Ties for the Rigorous Combination of GNSS and VLBI [abstract] [presentation]

K. Balidakis, R. Sulzbach, R. Dill and H. Dobslaw

How Do Atmospheric Tidal Loading Displacements Differ Temporally as Well as between Models? [abstract] [presentation]

T. Nikolaidou, M. Ali Goudarzi, B. Donahue, E. Maia, R. Ghoddousi-Fard, O. Kamali and Y. Mireault

New generation of NRCan’s Final GNSS orbit and clock products: overview and validation [abstract] [presentation]

H. Sert, U. Hugentobler, O. Karatekin and V. Dehant

VLBI and GNSS space-tie onboard Galileo satellites [abstract] [presentation]

J. Najder, K. Sośnica and D. Srugarek

Future SLR satellite constellations – a simulation study [abstract] [presentation]

X. Papanikolaou, M. Tsakiri, S. Nahmani and A. Pollet

Designing a DORIS processing software for orbit determination and estimation of geodetic parameters. [abstract] [presentation]

J. Wang, M. Ge, S. Glaser, K. Balidakis, R. Heinkelmann and H. Schuh

Impact of Tropospheric Ties in GNSS and VLBI Integrated Solution [abstract] [presentation]

Session 3 – Regional Reference Frames and their Applications

Chairs: C. Bruyninx and M. Craymer

M. Lidberg, C. Bruyninx, E. Brockmann, R. Dach, A. Kenyeres, K. Kollo, J. Legrand, T. Liwosz, B. Männel, R. Pacione, M. Sacher, J. Schwabe, W. Söhne, C. Völksen, Z. Altamimi, A. Caporali, J. Zurutuza, M. Poutanen and J-A. Torres

Advancing the geodetic infrastructure in Europe through EUREF [abstract] [presentation]

S.M. Alves-Costa, L. Sanchez, D. Pinon, J.A. Tarrio-Mosquera, G. Guaimaraes, D. Gomez, H. Drewes, M.V. Mackern, E. Antokoletz, A.C.O.C de Matos, D. Blitzkow and A. da Silva

Status of the SIRGAS reference frame: recent developments and new challenges [abstract] [presentation]

R. Stanaway, C. Crook, K. Kelly and R. Lott

Deformation Models – Progress with development of an OGC Standard [abstract] [presentation]

R. Steffen, A. Kenyeres, H. Steffen and M. Lidberg

EuVeM2022: A 3D GNSS velocity field for Europe [abstract

L. Huisman and H. de Ligt

Validation of reference frame consistency of GNSS service products [abstract] [presentation]

J. Kröger, T. Kersten, Y. Breva and S. Schön

How Do Different Phase Center Correction Values Impact GNSS Reference Frame Stations? [abstract] [presentation]

J. Han, H. Yun, S.J. Lee, M.H. Lee and C. Shen

Versatile Processing Program for  RINEX Files [abstract] [presentation]

J.A. Tarrío, J. Inzunza, C. Caceres, M. Caverlotti, V. Vasquez, F. Isla, G. Jeldres, R. Urrutia and C. Mardones

Transition from PSAD56/SAD69 to SIRGAS. Toward a kinematic reference frame for mining in Chile [abstract] [presentation]

C. Shen, H. Yun, S.J. Lee, M.H. Lee and J. Han

Comparison Analysis of Network Adjustment of 5000 Unified Control Points in South Korea using Bernese and GAMIT/GLOBK [abstract] [presentation]

E. Azcue, M. Blanco, J. Grau, D. Gómez and J-A. Sánchez-Sobrino

ETRS89 Realization and Maintenance in Spain [abstract] [presentation]

D. Anastasiou, X. Papanikolaou and M. Tsakiri

On the stability of regional reference frames in Greece using GNSS permanent stations [abstract] [presentation]

D. Ampatzidis, E. Tzanou, N. Demirtzoglou and G.S. Vergos

Strategies for the optimal combination between local 3D modern GNSS and 2D classical networks, expressed in different reference frames: Case study in Greece [abstract] [presentation]

A. Alqahtani, R. Grebenitcharsky, S. Alshahrani, I. Golubinka, M. Alqarni and S. Alqurishi

Saudi Arabia – National Spatial Reference System (SANSRS) [abstract] [presentation]

D. Natsiopoulos, E. Mamagiannou, E. Tzanou, A. Triantafyllou, G.S. Vergos, I.N. Tziavos, D. Ramnalis and V. Polycrhonos

GeoNetGNSS, a newly established CORS network in Northern Greece in support of high-accuracy positioning applications [abstract] [presentation]

S.J. Lee, H.S. Yun, M.H. Lee, J. Han and C. Shen

Development of GNSS-based crustal Deformation  monitoring system [abstract] [presentation]

M.H. Lee, H.S. Yun, S.J. Lee, C. Shen and J. Han

Development of the Crustal Deformation Model of the Korean Peninsula Using Polymer Regression [abstract] [presentation]

C. Robin, G. Banham, R. Berg, M. Craymer, G. Cross, B. Donahue, J. Harrietha, J. Huang, R.M. Paquin, R. Tardiff and Y. Thériault

Reference Frame Modernization in Canada [abstract] [presentation]

M. Craymer, D. Roman and P. McFarland

Modernizing Regional Reference Frames in North America: Current and Future Activities of IAG Regional Sub-Commission SC1.3c [abstract

M. Craymer, B. Amjadiparvar, M. Piraszewski, E. Lapelle and Y. Zhao

NAD83(CSRS) Version 8: A New Realization of NAD83 for Canada based on ITRF2020 and IGS Repro3 Products [abstract

C. Danezis, M. Chatzinikos and C. Kotsakis

CyCLOPS: Establishment of a Strategic Integrated Permanent GNSS and InSAR Array in Cyprus to Enhance Monitoring of Geohazards and Promote Infrastructure Resilience [abstract] [presentation]

Session 4 – Celestial Reference Frames and Earth Orientation Parameters

Chair: B. Soja

T. Kur, J. Śliwińska, J. Nastula, H. Dobslaw, M. Wińska and A. Partyka

Annual summary of the Second Earth Orientation Parameters Prediction Comparison Campaign (2nd EOP PCC) [abstract] [presentation]

L. Lengert, D. Thaller, C. Flohrer, A. Girdiuk and H. Hellmers

On the improvement of the consistency and the temporal regularity of combined ERP time series [abstract] [presentation]

L. Biskupek, V.V. Singh, J. Müller and M. Zhang

Potential of Lunar Laser Ranging for the determination of Earth orientation parameters [abstract] [presentation]

L. Kern, M. Schartner, J. Böhm, S. Böhm, A. Nothnagel and B. Soja

The importance of accurate a priori information for VLBI Intensive sessions [abstract] [presentation]

M. Schartner, L. Petrov, C. Plötz, F.G. Lemoine, E. Terrazas, I-D. Herrera Pinzón, J.L. Dorman and B. Soja

VGOS VLBI Intensives between MACGO12M and WETTZ12M for the rapid determination of UT1-UTC [abstract] [presentation]

M. Karbon, S. Belda, J.M. Ferrandiz and A. Escapa

A Celestial Reference Frame based on parameterized source positions [abstract] [presentation]

S. Belda, M. Karbon, J.M. Ferrandiz and A. Escapa

The impact of parameterized source positions on the free core nutation [abstract] [presentation]

L. Petrov

Single-band absolute astrometry [abstract] [presentation]

H. Krasna, D. Gordon, A. de Witt and C.S. Jacobs

Earth orientation parameters determined from Very Long Baseline Array experiments conducted at K-band (24 GHz) [abstract] [presentation]

H. Krasna, D. Gordon, A. de Witt and C.S. Jacobs

Celestial reference frame determined from very long baseline interferometry experiments conducted at K-band (24 GHz) over the past 10 years [abstract] [presentation]

J. Śliwińska, J. Nastula and A. Partyka

The use of sub-monthly GRACE/GRACE-FO solutions to determine gravimetric excitation of polar motion [abstract] [presentation]

B. Soja, M.K. Shahvandi, M. Schartner and J. Gou

Operational prediction of Earth orientation parameters and effective angular momentum at ETH Zurich [abstract] [presentation]

Session 5 – Usage & Challenges of Reference Frames for Earth Science Applications

Chairs: J-P. Boy and S. Glaser

S. Rudenko, M. Bloßfeld, J. Zeitlhöfler, A. Kehm, D. Dettmering, M. Glomsda, D. Angermann and M. Seitz

Application of the ITRS2020 realizations for precise orbit determination of SLR and altimetry satellites [abstract] [presentation]

A. Girdiuk, D. Thaller, G. Engelhardt and D. Ullrich

ITRF2020 application in the geodetic products for IVS [abstract] [presentation]

C. Bruyninx, R. Fernandes, M. Lidberg and W. Söhne

EUREF’s contribution to EPOS’ GNSS Services [abstract] [presentation]

K. Balidakis, R. Dill and H. Dobslaw

Predicting Non-tidal Loading Contributions Induced by Environmental Loading [abstract] [presentation]

J. Nicolas, J. Verdun, J-P. Boy, F. Durand, A. Koulali and P. Clarke

Improved Hydrological Loading Models in South America: Analysis of 3D GPS Displacements Using M-SSA [abstract] [presentation]

H.P. Kierulf, J. Kohler, J-P. Boy, E.C. Geyman, A. Memin, O. Omang, H. Steffen and R. Steffen

Glacial induced uplift variations in Svalbard – is it a challenge for the reference frame? [abstract] [presentation]

A. Klos, J. Bogusz, R. Pacione, V. Humphrey and H. Dobslaw

Spatio-temporal consistency of the stochastic component of the ZTD time series over Europe [abstract] [presentation]

J. Freymueller

Reference Frame and Identifying Localized vs Regional Deformation: Examples from Hawaii and the North Atlantic [abstract] [presentation]

C. Danezis, D. Kakoullis, K. Fotiou, M. Pekri, M. Chatzinikos, C. Kotsakis, M. Nikolaidis, G. Ioannou, M. Eineder, R. Brcic, A. Christofe, G. Melillos, Y. Vacanas, M. Christoforou, S. Pilidou, M. Tzouvaras, C. Papoutsa, K. Themistocleous, D. Hadjimitsis

The Establishment of the CyCLOPS Integrated Strategic Research Infrastructure Unit for Deformation Monitoring Activities: Considerations, Performance Assessment and Initial Results [abstract] [presentation]

K. Aspioti, D. Anastasiou, M. Gianniou, V. Andritsanos and V. Pagounis

Velocity and strain field estimation from episodic GNSS campaigns (2012-2021) for the region of Attica, Greece [abstract] [presentation]

H.P. Kierulf, W. van Pelt, L. Petrov, M. Dähnn, A-S. Kirkvik and O. Omang

Seasonal glacier and snow loading in Svalbard recovered from geodetic observations [abstract] [presentation]

R. Steffen and E.R. Ivins

Recent advances in the modelling of glacial isostatic adjustment – A report from the IAG Joint Study Group on “Geodetic, Seismic and Geodynamic Constraints on Glacial Isostatic Adjustment” [abstract] [presentation]

N. Papadopoulos and V. Gikas

Tide and storm surge analysis in Thermaikos Gulf, Greece [abstract] [presentation]

A. Kenyeres, S. Toth, B. Magyar, J. Dehls, Y. Larsen and P. Marinkovic

Regional reference velocity model based on extended EPND solution for InSAR applications [abstract] [presentation]