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  • IAG2021-Beijing-ZOOM A
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IAG2021-Beijing-ZOOM A

2021-06-28 (UTC+8) Mon 2021-06-28 Local Time

14:00-15:20 (UTC+8) 14:00-15:20 Local Time | Opening Ceremonies
Discussion
Chairs:
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 14:00-14:20 14:00-14:20 Address

IAG2021 Opening Ceremony

. IAG2021
2 14:20-14:25 14:20-14:25 Address

Greeting 1

Guanghua Wang
3 14:25-14:30 14:25-14:30 Address

Greeting 2

Zuheir Altamimi
4 14:30-14:35 14:30-14:35 Address

Greeting 3

Qinglin Wang
5 14:35-14:40 14:35-14:40 Address

Greeting 4

Chaozhi Song
6 14:40-15:10 14:40-15:10 Keynote

Geodesy Contribution to Climate Research

Annette Eicker
7 15:10-15:20 15:10-15:20 Keynote

Featured services and performances of BDS-3

Yuanxi Yang
15:30-16:30 (UTC+8) 15:30-16:30 Local Time | IAG Opening Plenary Session
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 15:30-15:35 15:30-15:35 Address

Welcome

Zuheir Altamimi
2 15:35-16:00 15:35-16:00 Address

IAG activities 2019 – 2021 and perspectives 2021-2023

Zuheir Altamimi
3 16:00-16:10 16:00-16:10 Address

IAG administration report 2019 – 2021

Markku Poutanen
4 16:10-16:20 16:10-16:20 Address

Presentation of the IAG Young Authors Awards 2019 and 2020

Zuheir Altamimi
5 16:20-16:30 16:20-16:30 Address

Overview of the IAG Scientific Assembly programme

Markku Poutanen
16:40-18:00 (UTC+8) 16:40-18:00 Local Time | Session 1.1 International Terrestrial Reference Frame; Session 1.2 (Joint with ICCT) Advancements and Open Problems in Global Reference Frame Theory and Methodology
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 16:40-16:45 16:40-16:45 Oral Presentation

New Developments on the IDS Contribution to the ITRF2020

Guilhem Moreaux
2 16:45-16:50 16:45-16:50 Oral Presentation

The International Laser Ranging Service (ILRS) Contribution to the Development of the ITRF2020

Erricos Pavlis
3 16:50-16:55 16:50-16:55 Oral Presentation

Combined IVS contribution to the ITRF2020

Hendrik Hellmers
4 16:55-17:00 16:55-17:00 Oral Presentation

Status of ITRF2020 analysis and early results

Zuheir Altamimi
5 17:00-17:05 17:00-17:05 Oral Presentation

Quality Evaluation of the Continental Water Storage models for correcting the Crustal Movement Observation Network of China height time series

Zhao Li
6 17:05-17:10 17:05-17:10 Oral Presentation

Characteristics and Predictability of Postseismic Deformation in Reference Frame Models

Jeff Freymueller
7 17:10-17:15 17:10-17:15 Oral Presentation

Handling of tropospheric and range biases in Satellite Laser Ranging

Mateusz Drożdżewski
8 17:15-18:00 17:15-18:00 Comment

Discussion

2021-06-29 (UTC+8) Tue 2021-06-29 Local Time

14:00-15:20 (UTC+8) 14:00-15:20 Local Time | Session 1.3 Terrestrial and Space Geodetic Ties for Multi-technique Combinations
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 14:00-14:05 14:00-14:05 Oral Presentation

Multi-technique combinations using a closure in time

Jan Kodet
2 14:05-14:10 14:05-14:10 Oral Presentation

Large-scale dimensional metrology for geodesy - first results from the European GeoMetre Project

Florian Pollinger
3 14:10-14:15 14:10-14:15 Oral Presentation

Demonstration of 1 mm Precision for Kilometer Co-location Ties at McDonald Geodetic Observatory

Jullian Rivera
4 14:15-14:20 14:15-14:20 Oral Presentation

Reference frame realization using co-location in space onboard Galileo satellites

Grzegorz Bury
5 14:20-14:25 14:20-14:25 Oral Presentation

Dilution of Precision (DOP) factors for evaluating observations to Galileo satellites with VLBI

Helene Wolf
6 14:25-14:30 14:25-14:30 Oral Presentation

On DORIS and SLR simulation studies to single-satellite space-ties to achieve the Global Geodetic Observing System goals

Patrick Schreiner
7 14:30-14:35 14:30-14:35 Oral Presentation

Towards tropospheric ties in the computation of terrestrial reference frames

Changyong He
8 14:35-15:20 14:35-15:20 Comment

Discussion

15:30-16:50 (UTC+8) 15:30-16:50 Local Time | Session 1.4 Regional Reference Frames and Networks
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 15:30-15:35 15:30-15:35 Oral Presentation

Scientific goals and strategic actions of EUREF in a changing landscape

Martin Lidberg
2 15:35-15:40 15:35-15:40 Oral Presentation

Recent achievements and current challenges in the maintenance of the geodetic reference frame of the Americas

José Antonio Tarrío Mosquera
3 15:40-15:45 15:40-15:45 Oral Presentation

The North American Terrestrial Reference Frame of 2022: Its Definition and Plans for Adoption

Dru Smith
4 15:45-15:50 15:45-15:50 Oral Presentation

Research on the realization of the regional reference frame

Fan Wang
5 15:50-15:55 15:50-15:55 Oral Presentation

GIANT-REGAIN: A comprehensive analysis of geodetic GNSS recordings in Antarctica for geodetic and geodynamic applications

Eric Buchta
6 15:55-16:00 15:55-16:00 Oral Presentation

Approaches to time-dependent transformations between reference frames in deforming regions

Richard Stanaway
7 16:00-16:05 16:00-16:05 Oral Presentation

On the impact of individual PCC errors on regional networks using different processing strategies

Tobias Kersten
8 16:05-16:50 16:05-16:50 Comment

Discussion

17:00-18:20 (UTC+8) 17:00-18:20 Local Time | Session 1.5 Comparison and Combination of Space Geodesy Techniques
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 17:00-17:05 17:00-17:05 Oral Presentation

Multi-technique Integrated Processing on the Observation Level for Consistent Determination of TRF, CRF and EOPs

Jungang Wang
2 17:05-17:10 17:05-17:10 Oral Presentation

Weekly Terrestrial Reference Frame realization from a combination of GNSS/SLR/VLBI/DORIS at the parameter level

Lizhen LIAN
3 17:10-17:15 17:10-17:15 Oral Presentation

Combination of the VLBI, GNSS and LLR station coordinates using SINCOM software

Svetlana Mironova
4 17:15-17:20 17:15-17:20 Oral Presentation

Combination of GNSS and VLBI data for consistent estimation of Earth Orientation Parameters

Lisa Lengert
5 17:20-17:25 17:20-17:25 Oral Presentation

Inter- and intra-technique evaluation of UT1-UTC estimates using Legacy S/X VLBI, VGOS and their combination with co-located GNSS. A case study comparing INT1 to VGOS-B sessions

Periklis Konstantinos Diamantidis
6 17:25-17:30 17:25-17:30 Oral Presentation

Earth rotation parameters estimation using satellite laser ranging measurements to multiple LEO satellites

Hongmin Zhang
7 17:30-17:35 17:30-17:35 Oral Presentation

Identify the Multi-technology systematic errors: the relations among reference point determination, telescope pointing calibration and VLBI observing

Zhang Zhibin
8 17:35-18:20 17:35-18:20 Comment

Discussion

2021-06-30 (UTC+8) Wed 2021-06-30 Local Time

14:00-15:20 (UTC+8) 14:00-15:20 Local Time | Session 6.2 ICCC
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 14:00-14:05 14:00-14:05 Oral Presentation

What can long-term trend estimates from satellite gravimetry contribute to climate research?

Andreas Kvas
2 14:05-14:10 14:05-14:10 Oral Presentation

Recovering Climate-Related Mass Transport Signals by current and next-generation gravity missions

Marius Schlaak
3 14:10-14:15 14:10-14:15 Oral Presentation

Land Water Storage Variabilities in GRACE and Climate Models – How do they compare and which future changes can we expect?

Laura Jensen
4 14:15-14:20 14:15-14:20 Oral Presentation

Assessments of integrated water vapor from atmospheric reanalyses against ground-based GPS over Europe

Peng Yuan
5 14:20-14:25 14:20-14:25 Oral Presentation

GNSS for the Global Climate Observing System: Precipitable Water Vapor Processing Centre at GFZ

Galina Dick
6 14:25-14:30 14:25-14:30 Oral Presentation

Evaluating hydrological angular momentum determined from CMIP6 historical simulations

Jolanta Nastula
7 14:30-14:35 14:30-14:35 Oral Presentation

Investigating the relationship between Length of Day and El-Nino using wavelet coherence method

Shrishail Raut
8 14:35-15:20 14:35-15:20 Comment

Discussion

15:30-16:50 (UTC+8) 15:30-16:50 Local Time | Session 6.2 ICCC; Session 6.4 QuGe
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 15:30-15:35 15:30-15:35 Oral Presentation

Solid Earth Deformation Sensing Using Multi-Decadal Satellite Altimetry

C K Shum
2 15:35-15:40 15:35-15:40 Oral Presentation

Contribution of glacier mass loss to river runoff in the source region of the Yangtze River during 2000-2018

Lin Liu
3 15:40-15:45 15:40-15:45 Oral Presentation

High-Performance Clock Networks and Their Application in Geodesy

Hu Wu
4 15:45-15:50 15:45-15:50 Oral Presentation

Towards a transportable aluminum ion quantum logic optical clock for relativistic geodesy

Stephan Hannig
5 15:50-15:55 15:50-15:55 Oral Presentation

Towards high-precision International Height Reference System Using Two-Way Space Laser Time Transfer Link

Abdelrahim Ruby
6 15:55-16:00 15:55-16:00 Oral Presentation

Defining a unified height system for Egypt using the ACES microwave links

Mostafa Ashry
7 16:00-16:05 16:00-16:05 Oral Presentation

ESA Activities and Perspectives on Quantum Space Gravimetry

Olivier Carraz
8 16:05-16:50 16:05-16:50 Comment

Discussion

17:00-18:20 (UTC+8) 17:00-18:20 Local Time | Session 6.4 QuGe; Session 6.3 ICCM
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 17:00-17:05 17:00-17:05 Oral Presentation

The Benefit of Accelerometers based on Cold Atom Interferometry for Future Satellite Gravity Missions

Annike Knabe
2 17:05-17:10 17:05-17:10 Oral Presentation

Gravimetry by nanoscale parametric amplifiers driven by radiation-induced dispersion force modulation

Fabrizio Pinto
3 17:10-17:15 17:10-17:15 Oral Presentation

The Application Sagnac Interferometry in the Geosciences

Ulrich Schreiber
4 17:15-17:20 17:15-17:20 Oral Presentation

Characteristics of Novel Differential Lunar Laser Ranging Compared to Classical Lunar Laser Ranging

Mingyue Zhang
5 17:20-17:25 17:20-17:25 Oral Presentation

Overview of the GNSS-A Seafloor Geodetic Observation Array (SGO-A) in the subduction zones around Japan, operated by the Japan Coast Guard

Shun-ichi Watanabe
6 17:25-17:30 17:25-17:30 Oral Presentation

Further evaluation of the impact of Earth's curvature on coastal sea level altimetry with ground-based GNSS Reflectometry

Vitor Almeida
7 17:30-17:35 17:30-17:35 Oral Presentation

Outlier Detection Based on Epoch-differential for Seafloor Geodetic Positioning

Shuqiang Xue
8 17:35-18:20 17:35-18:20 Comment

Discussion

2021-07-01 (UTC+8) Thur 2021-07-01 Local Time

14:00-15:20 (UTC+8) 14:00-15:20 Local Time | Session 6.1 ICCT Geodetic Theory
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 14:00-14:05 14:00-14:05 Oral Presentation

A CFD-based gravitational field modeling method and its potential applications in deep space exploration

Zhi Yin
2 14:05-14:10 14:05-14:10 Oral Presentation

Crustal density and forward global gravitational field model on the Moon determined from GRAIL and LOLA satellite data

Michal Sprlak
3 14:10-14:15 14:10-14:15 Oral Presentation

Sensitivity of GNSS orbits to General Relativistic effects

Krzysztof Sośnica
4 14:15-14:20 14:15-14:20 Oral Presentation

Inclusion of data uncertainty in machine learning and its application in geodetic data science

Mostafa Kiani Shahvandi
5 14:20-14:25 14:20-14:25 Oral Presentation

Adaptive Quasi-Monte Carlo Algorithm for Covariance Propagation of GNSS Baseline Vector

Xinlei Luo
6 14:25-14:30 14:25-14:30 Oral Presentation

Bayesian modelling of discontinuities and piecewise trends (trend changes) improves coastal vertical land motion estimates

Julius Oelsmann
7 14:30-14:35 14:30-14:35 Oral Presentation

A new robust estimation algorithm for the superstrong breakdown point based on Quasi-Accurate Detection

Hailu Chen
8 14:35-15:20 14:35-15:20 Comment

Discussion

15:30-16:50 (UTC+8) 15:30-16:50 Local Time | Session 2b.3 (Joint with ICCC) Cryospheric Changes from Gravity Data
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 15:30-15:35 15:30-15:35 Oral Presentation

Advanced estimation of regional ice mass losses in Greenland from GRACE data

Linyang XIN
2 15:35-15:40 15:35-15:40 Oral Presentation

Inter-annual variability in the Antarctic ice sheets using multi-technique geodesy and modeling

Athul Kaitheri
3 15:40-15:45 15:40-15:45 Oral Presentation

Antarctica Ice-Mass Variations on Intraseasonal-Interannual Timescale: East-West Coastal Dipole and Eastward Circumpolar Wave

Zhen Li
4 15:45-15:50 15:45-15:50 Oral Presentation

Filling the data gaps within GRACE missions using Singular Spectrum Analysis

Shuang Yi
5 15:50-15:55 15:50-15:55 Oral Presentation

Bridging the data gap between GRACE and GRACE-FO using artificial neural network in Greenland

Bao Zhang
6 15:55-16:00 15:55-16:00 Oral Presentation

Two decades of Antarctic surface elevation changes from multi-mission satellite altimetry and gravimetry

Yue Lianzhe
7 16:00-16:05 16:00-16:05 Oral Presentation

New Constrains on Glacier Mass Balance on High Mountain Asia

Qiuyu Wang
8 16:05-16:50 16:05-16:50 Comment

Discussion

17:00-18:40 (UTC+8) 17:00-18:40 Local Time | Joint Session 2a.5; 2b.4 Satellite Altimetry and Oceanography (Joint with ICCC)
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 17:00-17:05 17:00-17:05 Oral Presentation

Performance of Five Satellite Altimetry Observations in Marine Gravity Inversion over the Gulf of Guinea

Richard Fiifi Annan
2 17:05-17:10 17:05-17:10 Oral Presentation

Optimal gravity anomaly and vertical gravity gradient in the South China Sea from multi-altimeter data

Daocheng Yu
3 17:10-17:15 17:10-17:15 Oral Presentation

DTU21 Mean Sea Surface for Vertical Offshore Reference Frame

Ole Baltazar Andersen
4 17:15-17:20 17:15-17:20 Oral Presentation

Altimeter-derived marine gravity variations reveal the magma mass motions within the subaqueous volcano

Qianqian Li
5 17:20-17:25 17:20-17:25 Oral Presentation

Radar Altimeter-Based Water Level and Wind Speed Monitoring Over the Laurentian Great Lakes

Yuanyuan Jia
6 17:25-17:30 17:25-17:30 Oral Presentation

Quantitative Analysis of Global Sea-Level Budget Based on GRACE, Satellite Altimetry and Argo Observations

Fengwei Wang
7 17:30-17:35 17:30-17:35 Oral Presentation

Global Ocean Mass Change Estimates in 1993~2004 from LEO Gravity Field Models Determined at Tongji University

Qiujie Chen
8 17:35-17:40 17:35-17:40 Oral Presentation

High-resolution water level changes in coastal and estuarine regions in North Sea and Baltic

Luciana Fenoglio
9 17:40-17:45 17:40-17:45 Oral Presentation

Retracking of radar altimetry waveforms over inland water bodies

Xiaoli Deng
10 17:45-18:40 17:45-18:40 Comment

Discussion

2021-07-02 (UTC+8) Fri 2021-07-02 Local Time

14:00-15:20 (UTC+8) 14:00-15:20 Local Time | Session 2b.2 Spaceborne and Terrestrial Gravimetry for Hydrology (Joint with ICCC)
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 14:00-14:05 14:00-14:05 Oral Presentation

Gravity response to a monsoonal rain event in the Pingtung Plain, southern Taiwan

Kuan-Hung Chen
2 14:05-14:10 14:05-14:10 Oral Presentation

Monitoring fast water storage variations in Karst through gravimetry: a study case from the Classical Karst

Tommaso Pivetta
3 14:10-14:15 14:10-14:15 Oral Presentation

Quantifying water storage change over Lake Baikal using GRACE and GRACE Follow-On

Min Wei
4 14:15-14:20 14:15-14:20 Oral Presentation

Recent Changes in Surface and Groundwater in Large Arctic River Basins

Hong Lin
5 14:20-14:25 14:20-14:25 Oral Presentation

Monitoring groundwater storage change in China by satellite gravimetry

Xiaotao Chang
6 14:25-14:30 14:25-14:30 Oral Presentation

Using Swarm to Detect Total Water Storage Changes in 26 Global Basins (Taking the Amazon Basin, Volga Basin and Zambezi Basin as Examples)

Zhengtao Wang
7 14:30-14:35 14:30-14:35 Oral Presentation

Reconstructing Climate-driven Water Storage Anomalies using GRACE Satellite Data

Bingshi Liu
8 14:35-15:20 14:35-15:20 Comment

Discussion

15:30-16:50 (UTC+8) 15:30-16:50 Local Time | Session 2b.2 Spaceborne and Terrestrial Gravimetry for Hydrology (Joint with ICCC); Session 2b.6 Future Gravity Mission Concepts (Joint with QuGe)
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 15:30-15:35 15:30-15:35 Oral Presentation

Inversion of Regional Surface Mass Anomalies using GRACE Geopotential Differences Based on Slepian Basis Functions

Jiangtao Tan
2 15:35-15:40 15:35-15:40 Oral Presentation

Regional inversion of GRACE/-FO KBRR/-LRI observations to estimate high resolution total water storage changes

Metehan Uz
3 15:40-15:45 15:40-15:45 Oral Presentation

Mass change And Geosciences International Constellation (MAGIC) – An ESA/NASA joint mission in preparation

Ilias Daras
4 15:45-15:50 15:45-15:50 Oral Presentation

Simulation studies for a Mass change And Geosciences International Constellation (MAGIC) – An ESA/NASA joint mission concept in preparation

Roland Pail
5 15:50-15:55 15:50-15:55 Oral Presentation

GRACE-I mission for gapless observation of mass transport and biodiversity

Frank Flechtner
6 15:55-16:00 15:55-16:00 Oral Presentation

Simulations of the Next Generation Gravity Field Missions Based on Multi-Pair Constellations and Status of Chinese TianQin Mission

Wei Feng
7 16:00-16:05 16:00-16:05 Oral Presentation

Climatological, tectonic and volcanic gravity signals compared to the sensitivity of the proposed MOCAST+ gravity mission

Carla Braitenberg
8 16:05-16:50 16:05-16:50 Comment

Discussion

17:00-18:20 (UTC+8) 17:00-18:20 Local Time | IAG Closing Plenary Session
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 17:00-17:10 17:00-17:10 Summary

Closing Ceremony

. IAG2021
2 17:10-17:20 17:10-17:20 Summary

Introduction

Zuheir Altamimi
3 17:20-17:30 17:20-17:30 Summary

Statistics of the Assembly

Markku Poutanen
4 17:30-17:35 17:30-17:35 Others

Photo Session

5 17:35-17:40 17:35-17:40 Summary

Symposium 1: Reference Frames

Christopher Kotsakis
6 17:40-17:45 17:40-17:45 Summary

Symposium 2a: Earth's Static Gravity Field

Mirko Reguzzoni
7 17:45-17:50 17:45-17:50 Summary

Symposium 2b: Earth's Time-variable Gravity Field

Adrian Jäggi
8 17:50-17:55 17:50-17:55 Summary

Symposium 3: Earth Rotation and Geodynamics

Chengli Huang
9 17:55-18:00 17:55-18:00 Summary

Symposium 4: Positioning and applications

Vassilis Gikas
10 18:00-18:05 18:00-18:05 Summary

Symposium 5: Global Geodetic Observing System (GGOS): the metrological basis for the monitoring of the System Earth

Basara Miyahara
11 18:05-18:10 18:05-18:10 Summary

Symposium 6: ICC symposium (ICCT, ICCC, ICCM, QuGe)

Pavel Novak
12 18:10-18:15 18:10-18:15 Summary

Proceedings of the IAG Scientific Assembly

Jeff Freymueller
13 18:15-18:20 18:15-18:20 Summary

Closing the 2021 IAG Scientific Assembly

Zuheir Altamimi

IAG2021-Beijing-ZOOM B

2021-06-28 (UTC+8) Mon 2021-06-28 Local Time

16:40-18:00 (UTC+8) 16:40-18:00 Local Time | Session 2a.1 Terrestrial, Marine and Airborne Gravimetry (Joint with QuGe)
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 16:40-16:45 16:40-16:45 Oral Presentation

Current status and future improvements of digital zenith camera VESTA

Inese Varna
2 16:45-16:50 16:45-16:50 Oral Presentation

Recent results of strapdown dynamic gravimeter on different platforms

KAIDONG ZHANG
3 16:50-16:55 16:50-16:55 Oral Presentation

Recent Airborne Gravity Surveys in Denmark with Strapdown Technology

Tim Jensen
4 16:55-17:00 16:55-17:00 Oral Presentation

Results from a car-based 3D-strapdown gravimetry campaign in the Bavarian Estergebirge

Peter Schack
5 17:00-17:05 17:00-17:05 Oral Presentation

An approach to airborne vector gravimetry based on spherical scaling functions

Vadim Vyazmin
6 17:05-17:10 17:05-17:10 Oral Presentation

The convergence of gravity change rates from repeated absolute gravity measurements

Mirjam Bilker-Koivula
7 17:10-17:15 17:10-17:15 Oral Presentation

Evaluation of the Muquans Absolute Quantum Gravimeter AQG-A02 against a precise gravity reference

Julian Glässel
8 17:15-18:00 17:15-18:00 Comment

Discussion

2021-06-29 (UTC+8) Tue 2021-06-29 Local Time

14:00-15:20 (UTC+8) 14:00-15:20 Local Time | Session 2a.3 Local and Regional Geoid and Gravity Modelling
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 14:00-14:05 14:00-14:05 Oral Presentation

Iterative refinement of regional marine geoid models by using sea surface height and dynamic topography datasets

Sander Varbla
2 14:05-14:10 14:05-14:10 Oral Presentation

On the Optimum DHM Resolution for the Window Remove-Restore Technique: Case Study for Africa

Hussein Abd-Elmotaal
3 14:10-14:15 14:10-14:15 Oral Presentation

Integrating NGS GRAV-D gravity observations into high-resolution global models

Philipp Zingerle
4 14:15-14:20 14:15-14:20 Oral Presentation

Regularization parameter determination in case of combining different types of gravity data for regional gravity field refinement

Qing Liu
5 14:20-14:25 14:20-14:25 Oral Presentation

Application of 3-dimensional least-squares collocation for free-air vertical gravity gradient modelling

Yunus Aytaç Akdoğan
6 14:25-14:30 14:25-14:30 Oral Presentation

Modernization of the Danish Gravity Network in Preparation of the New 5 mm Danish Geoid

Hergeir Teitsson
7 14:30-14:35 14:30-14:35 Oral Presentation

Seamless Processing for Shipborne Gravity Data

Baogui Ke
8 14:35-15:20 14:35-15:20 Comment

Discussion

15:30-16:50 (UTC+8) 15:30-16:50 Local Time | Session 2a.3 Local and Regional Geoid and Gravity Modelling ; Session 2a.4 Global Gravity Field Modelling
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 15:30-15:35 15:30-15:35 Oral Presentation

A 3-Dimensional Realization of Molodensky Heights

Robert Kingdon
2 15:35-15:40 15:35-15:40 Oral Presentation

An improved regional gravity field solution for Antarctica for geodetic and geophysical applications

Mirko Scheinert
3 15:40-15:45 15:40-15:45 Oral Presentation

Indian gravimetric geoid model: IndGG-CUT2021

Ropesh Goyal
4 15:45-15:50 15:45-15:50 Oral Presentation

DTU21 Global high resolution gravity field - first evaluation

Ole Baltazar Andersen
5 15:50-15:55 15:50-15:55 Oral Presentation

XGM202x: The impact of extending the dense modelling to d/o 1440

Philipp Zingerle
6 15:55-16:00 15:55-16:00 Oral Presentation

Establishment of the global geoid model 2021 (GGM2021)

WenBin Shen
7 16:00-16:05 16:00-16:05 Oral Presentation

Joint modelling of the lithospheric and deep Earth gravity field to study the density structure of the lithosphere

Bart Root
8 16:05-16:50 16:05-16:50 Comment

Discussion

17:00-18:20 (UTC+8) 17:00-18:20 Local Time | Session 2a.7 Topography and Bathymetry Gravity Modelling (Joint W. ICCT) ; Session 2a.2, 1.6 Vertical Reference Systems: Methodologies, Realization, and New Technologies (Joint W. s5, ICCT, QuGe)
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 17:00-17:05 17:00-17:05 Oral Presentation

Harmonic Correction for Residual Terrain Modelling (RTM) Technique in Physical Geodesy Applications

Meng Yang
2 17:05-17:10 17:05-17:10 Oral Presentation

Topographic gravity field modelling for improving high resolution global gravity field models

E. Sinem Ince
3 17:10-17:15 17:10-17:15 Oral Presentation

Status of the International Height Reference Frame (IHRF)

Laura Sanchez
4 17:15-17:20 17:15-17:20 Oral Presentation

Geodetic SAR for Height System Unification and Sea Level Research - Observation Concept and Results in the Baltic Sea

Thomas Gruber
5 17:20-17:25 17:20-17:25 Oral Presentation

Chronometric Height: a genuine general relativistic definition of height measures

Dennis Philipp
6 17:25-17:30 17:25-17:30 Oral Presentation

First attempt to establish connection between the Russian height system and the International Height Reference System (IHRS)

Ilya Oshchepkov
7 17:30-17:35 17:30-17:35 Oral Presentation

Realization of the International Height Reference System in the region of Mount Qomolangma (Everest)

Tao Jiang
8 17:35-18:20 17:35-18:20 Comment

Discussion

2021-06-30 (UTC+8) Wed 2021-06-30 Local Time

14:00-15:20 (UTC+8) 14:00-15:20 Local Time | Session 2a.6, 2b.5 Gravity Inversion for Solid Earth (Joint ICCT)
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 14:00-14:05 14:00-14:05 Oral Presentation

Mapping the upper mantle thermochemical heterogeneity from coupled geophysical-petrological inversion of seismic waveforms, heat flow, surface elevation and gravity satellite data

Javier Fullea
2 14:05-14:10 14:05-14:10 Oral Presentation

Improving the GEMMA inversion algorithm towards a new release of the GOCE-based crustal model

Lorenzo Rossi
3 14:10-14:15 14:10-14:15 Oral Presentation

The contribution of gravity to crust and upper mantle structure modeling – an example in Tibet Plateau

Jiakuan Wan
4 14:15-14:20 14:15-14:20 Oral Presentation

Crustal configuration of the West and Central African Rift System from gravity and seismic data analysis

Franck Eitel Kemgang Ghomsi
5 14:20-14:25 14:20-14:25 Oral Presentation

Crustal geological provinces seen by gravity field data: an automatic Bayesian approach applied to the Central Eastern Mediterranean area

Martina Capponi
6 14:25-14:30 14:25-14:30 Oral Presentation

Horizontal deformation of GNSS on the improvement of mass load inversion

Songyun Wang
7 14:30-14:35 14:30-14:35 Oral Presentation

Comparison of GRACE and GNSS seasonal load displacements considering regional averages and discrete points

Lan Zhang
8 14:35-15:20 14:35-15:20 Comment

Discussion

15:30-16:50 (UTC+8) 15:30-16:50 Local Time | Session 2b.1 Analysis Techniques
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 15:30-15:35 15:30-15:35 Oral Presentation

Status of temporal gravity field modeling at HUST

Hao Zhou
2 15:35-15:40 15:35-15:40 Oral Presentation

Combination Service for Time-variable Gravity fields (COST-G): operations and new developments

Ulrich Meyer
3 15:40-15:45 15:40-15:45 Oral Presentation

Combined gravity solution from SLR and GRACE/GRACE-FO

Zhigui Kang
4 15:45-15:50 15:45-15:50 Oral Presentation

On the combination of gravity field time series derived from kinematic positions of Low Earth Orbiting satellites

Thomas Grombein
5 15:50-15:55 15:50-15:55 Oral Presentation

Data-Driven Self-De-Aliasing approach for monthly GRACE and GRACE-FO gravity retrieval

Michael Murböck
6 15:55-16:00 15:55-16:00 Oral Presentation

Time-variable Gravity Signals in Reprocessed GOCE Gradient Data

Betty Heller
7 16:00-16:05 16:00-16:05 Oral Presentation

On Validating the Swarm Data to Fill-in the GRACE/GRACE-FO Gap Employing Artificial Neural Networks Applied to Africa

Hussein Mohasseb
8 16:05-16:50 16:05-16:50 Comment

Discussion

17:00-18:20 (UTC+8) 17:00-18:20 Local Time | Session 5.1 Geodetic Infrastructure for Earth System Monitoring
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 17:00-17:05 17:00-17:05 Oral Presentation

Coordinating global geodesy in Japan: GGOS Japan

Toshimichi Otsubo
2 17:05-17:10 17:05-17:10 Oral Presentation

RAEGE: a Spanish-Portuguese infraestructure of geodetic stations

Jose A. Lopez-Perez
3 17:10-17:15 17:10-17:15 Oral Presentation

Probing a southern hemisphere VLBI intensive baseline configuration for dUT1 determination

Sigrid Boehm
4 17:15-17:20 17:15-17:20 Oral Presentation

Systematic errors in SLR observation residuals to Swarm satellites

Dariusz Strugarek
5 17:20-17:25 17:20-17:25 Oral Presentation

The development of spaceborne interferometric synthetic aperture radar missions in China

Yanyang Liu
6 17:25-17:30 17:25-17:30 Oral Presentation

Absolute Positioning of Active Radar Transponders from Sentinel-1 Observations — Experiences and Results

Marius Schlaak
7 17:30-17:35 17:30-17:35 Oral Presentation

Optimizing GNSS RTK Infrastructure from the perspective of tropospheric effects

Zhenhong Li
8 17:35-18:20 17:35-18:20 Comment

Discussion

2021-07-01 (UTC+8) Thur 2021-07-01 Local Time

14:00-15:20 (UTC+8) 14:00-15:20 Local Time | Session 5.2 Gravity Observations and Networks in the Framework of GGOS (Joint 2a.1, 2b.6, QuGe) ; Session 5.3 Standardized Geodetic Products for a Reliable System Earth Observation
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 14:00-14:05 14:00-14:05 Oral Presentation

Progress of International Gravity Reference System and Frame

Hartmut Wziontek
2 14:05-14:10 14:05-14:10 Oral Presentation

The pole tide in terrestrial gravimetry

Jaakko Mäkinen
3 14:10-14:15 14:10-14:15 Oral Presentation

Evaluation of the gravity reference function at the Borowa Gora Observatory

Przemyslaw Dykowski
4 14:15-14:20 14:15-14:20 Oral Presentation

New GGOS Website – An Extensive Information Platform about Geodetic Products, Observations and Services

Martin Sehnal
5 14:20-14:25 14:20-14:25 Oral Presentation

Defining Essential Geodetic Variables

Richard Gross
6 14:25-14:30 14:25-14:30 Oral Presentation

On the Earth dynamical ellipticity

Alberto Escapa
7 14:30-14:35 14:30-14:35 Oral Presentation

Geodetic Analyses at the National Geographic Institute of Spain. Current and future projects and prospects

José Carlos Rodríguez
8 14:35-15:20 14:35-15:20 Comment

Discussion

15:30-16:50 (UTC+8) 15:30-16:50 Local Time | Session 5.4 Geodetic Space Weather Research
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 15:30-15:35 15:30-15:35 Oral Presentation

Ground and spaced based GNSS for Space Weather Monitoring at GFZ: Overview and Recent Results

Jens Wickert
2 15:35-15:40 15:35-15:40 Oral Presentation

An enhanced mapping function for spaceborne TEC conversion based on the plasmaspheric scale height

Mengjie Wu
3 15:40-15:45 15:40-15:45 Oral Presentation

Detection of ionospheric disturbances by modelling the electron density as three-dimensional B-spline expansions: a simulation study

Andreas Goss
4 15:45-15:50 15:45-15:50 Oral Presentation

SWEETS – forecast of satellite orbit decay using L1 interplanetary magnetic field measurements and thermospheric density estimates.

Sandro Krauss
5 15:50-15:55 15:50-15:55 Oral Presentation

Forecasting Global Thermospheric Neutral Density through Calibration and Data Assimilation of GRACE Measurements into the NRLMSISE-00 model

Mona Kosary
6 15:55-16:00 15:55-16:00 Oral Presentation

Ensemble Machine Learning for Geodetic Space Weather Forecasting

Randa Natras
7 16:00-16:05 16:00-16:05 Oral Presentation

Deep Learning for Global Ionospheric TEC Forecasting: Different Approaches and Validation

Xiaodong Ren
8 16:05-16:50 16:05-16:50 Comment

Discussion

17:00-18:20 (UTC+8) 17:00-18:20 Local Time | Session 5.5 Assimilation of Geodetic Observations in the Modelling of the Atmosphere, Cryosphere and Hydrosphere (Joint ICCC) ; Session 5.7 Advances in Geodesy for Geohazard Monitoring and Disaster Risk Reduction (Joint ICCC)
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 17:00-17:05 17:00-17:05 Oral Presentation

Crustal response to heavy rains in Japan 2017-2020

Kosuke Heki
2 17:05-17:10 17:05-17:10 Oral Presentation

Long-period Accuracy Evaluation and Spatial-temporal characterization Analysis of Global GNSS-derived Precipitable Water Vapor

Junsheng Ding
3 17:10-17:15 17:10-17:15 Oral Presentation

Temporal error covariances of satellite gravimetry-derived ice mass change products

Andreas Groh
4 17:15-17:20 17:15-17:20 Oral Presentation

Penetration Depth Inversion in Hyper-Arid Desert from L-band InSAR Data Based on a Coherence Scattering Model

GuanXin Liu
5 17:20-17:25 17:20-17:25 Oral Presentation

On the assessment of ERA5 and GPS-based WRFDA for InSAR Atmospheric Correction

Zhenyi Zhang
6 17:25-17:30 17:25-17:30 Oral Presentation

Analysis of the crustal deformation characteristics of Mount Everest and Tibetan region in the past 20 years

Yamin Dang
7 17:30-17:35 17:30-17:35 Oral Presentation

Monitoring phosphate mining induced landslides in karst mountainous area using multi-temporal InSAR

Hengyi Chen
8 17:35-18:20 17:35-18:20 Comment

Discussion

2021-07-02 (UTC+8) Fri 2021-07-02 Local Time

14:00-15:20 (UTC+8) 14:00-15:20 Local Time | Session 5.7 Advances in Geodesy for Geohazard Monitoring and Disaster Risk Reduction (Joint ICCC)
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 14:00-14:05 14:00-14:05 Oral Presentation

Quantifying glacier displacement and glacial lake outburst floods with SAR and optical images: A case study in Jinweng Co Lake, Tibet, China

Liye Yang
2 14:05-14:10 14:05-14:10 Oral Presentation

Landslide detection, monitoring and failure mechanism research in Guizhou Province, China with multi-sensor SAR datasets

Chaoying Zhao
3 14:10-14:15 14:10-14:15 Oral Presentation

Spatio-temporal variations of afterslip and viscoelastic relaxation following the Mw 7.8 Gorkha (Nepal) earthquake

Zhen Tian
4 14:15-14:20 14:15-14:20 Oral Presentation

Lessons Learned from the 2020 Uzbekistan Sardoba Dam Failure: An Imaging Geodesy Perspective

Ruya Xiao
5 14:20-14:25 14:20-14:25 Oral Presentation

CyCLOPS: A National Integrated GNSS/InSAR Strategic Research Infrastructure for Monitoring Geohazards and Forming the Next Generation Datum of the Republic of Cyprus

Chris Danezis
6 14:25-14:30 14:25-14:30 Oral Presentation

The new pilot system for Earthquake and Tsunami Risk Estimation by ionospheric sounding (ETREbis) at the IPGP Caribbean observatories

Michela Ravanelli
7 14:30-14:35 14:30-14:35 Oral Presentation

Comparing Natural Hazards Assessment using Satellite Imagery Data and Geodetic Earth Observation Data

Thomas Chen
8 14:35-15:20 14:35-15:20 Comment

Discussion

15:30-16:50 (UTC+8) 15:30-16:50 Local Time | Session 5.6 Geodesy Contributions to Address Societal Challenges
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 15:30-15:35 15:30-15:35 Oral Presentation

The UN Global Geodetic Centre of Excellence (GGCE)

Johannes Bouman
2 15:35-15:40 15:35-15:40 Oral Presentation

GGOS D-A-CH – A new regional affiliate of the Global Geodetic Observing System

Hansjoerg Kutterer
3 15:40-15:45 15:40-15:45 Oral Presentation

Embracing challenges through national, regional & international partnership in the Pacific

Andrick Lal
4 15:45-15:50 15:45-15:50 Oral Presentation

SIRGAS and GRFA WG UN-GGIM: Americas interactions for sustainable geodesy

Sonia Costa
5 15:50-15:55 15:50-15:55 Oral Presentation

Group on Earth Observations (GEO) Disaster Risk Reduction (DRR) WG

David Borges
6 15:55-16:00 15:55-16:00 Oral Presentation

News from the GGOS DOI Working Group

Kirsten Elger
7 16:00-16:05 16:00-16:05 Oral Presentation

Status and Future Development of GNSS enhancement of Tsunami Early Warning Systems (GTEWS)

John LaBrecque
8 16:05-16:50 16:05-16:50 Comment

Discussion

IAG2021-Beijing-ZOOM C

2021-06-28 (UTC+8) Mon 2021-06-28 Local Time

16:40-18:00 (UTC+8) 16:40-18:00 Local Time | Session 4.1 Geodetic Remote Sensing (Joint with ICCC)
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 16:40-16:45 16:40-16:45 Oral Presentation

IAG JWG 4.3.1 Real-time Ionosphere Monitoring and Modeling: Status during 2019-2021

Ningbo Wang
2 16:45-16:50 16:45-16:50 Oral Presentation

Near Real-Time Global Ionospheric Modeling Based on Multi-GNSS and Virtual Observation Stations

Xulei Jin
3 16:50-16:55 16:50-16:55 Oral Presentation

Spatial-temporal evolutional behaviors of global ionospheric response to severe storms on 7-8 September 2017 using the GNSS, SWARM, COSMIC and TIE-GCM techniques

Wang Li
4 16:55-17:00 16:55-17:00 Oral Presentation

Extracting ionospheric phase scintillation index from 1 Hz GNSS observations

Dongsheng Zhao
5 17:00-17:05 17:00-17:05 Oral Presentation

Detection of earthquake and tsunami signatures in the ionosphere from the combination of different observation techniques

Michael Schmidt
6 17:05-17:10 17:05-17:10 Oral Presentation

Alternative ionospheric correction algorithm for Galileo single frequency users

M Mainul Hoque
7 17:10-17:15 17:10-17:15 Oral Presentation

Analysis of the BDGIM Performance in BDS Single Point Positioning

Guangxing Wang
8 17:15-18:00 17:15-18:00 Comment

Discussion

2021-06-29 (UTC+8) Tue 2021-06-29 Local Time

14:00-15:20 (UTC+8) 14:00-15:20 Local Time | Session 4.1 Geodetic Remote Sensing (Joint with ICCC)
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 14:00-14:05 14:00-14:05 Oral Presentation

Multi-GNSS Meteorology: Computation of tropospheric delays and gradients at GFZ Potsdam

Karina Wilgan
2 14:05-14:10 14:05-14:10 Oral Presentation

Application of the Total Variation Method in near real-time GNSS Tropospheric Tomography

Zohreh Adavi
3 14:10-14:15 14:10-14:15 Oral Presentation

Evaluation of shipborne GNSS precipitable water vapor from six cruises based on multiple datasets

Zhilu Wu
4 14:15-14:20 14:15-14:20 Oral Presentation

Determination of water vapor content using low-cost dual-frequency GNSS receivers

Tomasz Hadas
5 14:20-14:25 14:20-14:25 Oral Presentation

TropNet: A deep spatio-temporal model for tropospheric parameters forecasting

Yuxin Zheng
6 14:25-14:30 14:25-14:30 Oral Presentation

Tomographic fusion strategies for the reconstruction of atmospheric water vapor

Gregor Moeller
7 14:30-14:35 14:30-14:35 Oral Presentation

Improving the global estimation of zenith wet delay and weighted mean temperature with machine/deep learning methods

Zhangyu Sun
8 14:35-15:20 14:35-15:20 Comment

Discussion

15:30-16:50 (UTC+8) 15:30-16:50 Local Time | Session 4.1 Geodetic Remote Sensing (Joint with ICCC)
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 15:30-15:35 15:30-15:35 Oral Presentation

Current status of the IAG working group 4.3.7 on geodetic GNSS-R

Sajad Tabibi
2 15:35-15:40 15:35-15:40 Oral Presentation

From spaceborne to ground-based polarimetric observations: Is precipitation detectable in GNSS reflected signals?

Milad Asgarimehr
3 15:40-15:45 15:40-15:45 Oral Presentation

Feasibility of GNSS-R Altimetry Using CyGNSS 8-Satellite Constellation Mission Data

C K Shum
4 15:45-15:50 15:45-15:50 Oral Presentation

Further evaluation of a GNSS-R synthetic vertical array for high-rate water level altimetry

Mauricio Kenji Yamawaki
5 15:50-15:55 15:50-15:55 Oral Presentation

Mitigating Long Wavelength Ocean Tide Loading Effects on InSAR Observations Over Wide Regions

Chen Yu
6 15:55-16:00 15:55-16:00 Oral Presentation

Soil moisture retrieved using multi-constellation and multi-frequency GNSS signals

Nikolaos Antonoglou
7 16:00-16:05 16:00-16:05 Oral Presentation

Comparison of the Effective Isotropic Radiate Power parameter in CYGNSS v2.1 and v3.0 level 1 data and its impact on soil moisture estimation

Paulo de Tarso SETTI JUNIOR
8 16:05-16:50 16:05-16:50 Comment

Discussion

17:00-18:20 (UTC+8) 17:00-18:20 Local Time | Session 4.2 Next Generation Positioning
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 17:00-17:05 17:00-17:05 Oral Presentation

Kinematic determination of state-space representation corrections for unified RTK and PPP-RTK solutions

Yanming Feng
2 17:05-17:10 17:05-17:10 Oral Presentation

Investigation of the informativeness of the gravity field for indoor navigation

Dmitry Bobrov
3 17:10-17:15 17:10-17:15 Oral Presentation

Facial Feature Recognition Based on Deep Neural Network

Yihan Yang
4 17:15-17:20 17:15-17:20 Oral Presentation

A 3D map based place recognition solution for underground positioning using laser scanning

Jingbin Liu
5 17:20-17:25 17:20-17:25 Oral Presentation

Towards collaborative positioning of pedestrian and UAS platforms by integrating vision, UWB, and IMU data

Antonio Vettore
6 17:25-17:30 17:25-17:30 Oral Presentation

A cloud platform and hybrid positioning method for Indoor location service

Jinzhong Bei
7 17:30-17:35 17:30-17:35 Oral Presentation

Decentralized information filter with delayed states for cooperative location of UUVs

Zhenqiang Du
8 17:35-18:20 17:35-18:20 Comment

Discussion

2021-06-30 (UTC+8) Wed 2021-06-30 Local Time

14:00-15:20 (UTC+8) 14:00-15:20 Local Time | Session 4.3 Techniques and Applications in High Precision GNSS
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 14:00-14:05 14:00-14:05 Oral Presentation

Precise positioning using low-cost dual-frequency GNSS receivers

Tomasz Hadas
2 14:05-14:10 14:05-14:10 Oral Presentation

Performance Analysis of a Low-cost MARG Sensor/Single-antenna GNSS System for Land Vehicle Attitude Estimation

Wei Ding
3 14:10-14:15 14:10-14:15 Oral Presentation

How much does the price matter? Real-time geohazard monitoring with low-cost GNSS

Roland Hohensinn
4 14:15-14:20 14:15-14:20 Oral Presentation

Ambiguity-fixed relative positioning with GNSS dual-frequency observations of Huawei Mate20 smartphones

Weikai Miao
5 14:20-14:25 14:20-14:25 Oral Presentation

An enhanced foot-mounted PDR method with adaptive ZUPT and multi-sensors fusion for seamless pedestrian navigation

Xianlu Tao
6 14:25-14:30 14:25-14:30 Oral Presentation

Network RTK performance analysis on moving vehicle in challenging environments

Ali Karimidoona
7 14:30-14:35 14:30-14:35 Oral Presentation

Integer-estimable FDMA model as an enabler of GLONASS PPP-RTK

Baocheng Zhang
8 14:35-15:20 14:35-15:20 Comment

Discussion

15:30-16:50 (UTC+8) 15:30-16:50 Local Time | Session 4.3 Techniques and Applications in High Precision GNSS
Discussion
Chairs:
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 15:30-15:35 15:30-15:35 Oral Presentation

Quality control of outlier detection, identification and adaptation in GNSS positioning

Ling Yang
2 15:35-15:40 15:35-15:40 Oral Presentation

INS/Visual Odometry aided GNSS data gap repairmen in urban environment

Tianxia Liu
3 15:40-15:45 15:40-15:45 Oral Presentation

Robust RTK method for short baselines with high sample rate

Zhiteng Zhang
4 15:45-15:50 15:45-15:50 Oral Presentation

Multi-level augmentation and highly reliable BeiDou/GNSS precise cloud positioning and space atmospheric effect control

Yunbin Yuan
5 15:50-15:55 15:50-15:55 Oral Presentation

High-rate hourly ultra-rapid multi-GNSS precise clock estimation

Guoqiang JIAO
6 15:55-16:00 15:55-16:00 Oral Presentation

Study on the stability of GNSS ISB

Shuli Song
7 16:00-16:50 16:00-16:50 Comment

Discussion

17:00-18:20 (UTC+8) 17:00-18:20 Local Time | Session 4.3 Techniques and Applications in High Precision GNSS
Discussion
Chairs:
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 17:00-17:05 17:00-17:05 Oral Presentation

Non-isotropy of the troposphere and its effect on the long-rang RTK

Ying XU
2 17:05-17:10 17:05-17:10 Oral Presentation

Establishing a new method for heavy precipitation detection using optimal anomaly-based thresholds of predictors derived from GNSS-PWV

Haobo Li
3 17:10-17:15 17:10-17:15 Oral Presentation

An improved tropospheric mapping function modeling method for space geodetic techniques

Yaozong Zhou
4 17:15-17:20 17:15-17:20 Oral Presentation

GNSS real-time troposphere monitoring

Jan Douša
5 17:20-17:25 17:20-17:25 Oral Presentation

A modified global tropospheric delay model considering diurnal variation

Guolin Liu
6 17:25-17:30 17:25-17:30 Oral Presentation

Multi-GNSS code biases: from the perspectives of DCB and OSB

Fei Guo
7 17:30-17:35 17:30-17:35 Oral Presentation

A new strategy of tropospheric gradient estimation and its application in GNSS PPP

Di Zhang
8 17:35-18:20 17:35-18:20 Comment

Discussion

2021-07-01 (UTC+8) Thur 2021-07-01 Local Time

14:00-15:20 (UTC+8) 14:00-15:20 Local Time | Session 4.3 Techniques and Applications in High Precision GNSS
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 14:00-14:05 14:00-14:05 Oral Presentation

ADDTID: An Efficient Tool for Characterizing Travelling Ionospheric Disturbances

Heng Yang
2 14:05-14:10 14:05-14:10 Oral Presentation

Estimation of the ionospheric VTEC and satellite DCB from BDS single‑frequency PPP with multi‑layer mapping function

Ke Su
3 14:10-14:15 14:10-14:15 Oral Presentation

Estimation and Validation of Codephase Center Correction using the Empirical Mode Decomposition

Yannick Breva
4 14:15-14:20 14:15-14:20 Oral Presentation

On the Potential of Image Similarity Metrics for Comparing Phase Center Corrections

Johannes Kröger
5 14:20-14:25 14:20-14:25 Oral Presentation

Characteristics of BDS-3 multipath effect and its mitigation methods in precise point positioning

Ran Lu
6 14:25-14:30 14:25-14:30 Oral Presentation

Recognition of periodic signals in coordinate time series from GPS, GLONASS, and Galileo Precise Point Positioning

Radosław Zajdel
7 14:30-14:35 14:30-14:35 Oral Presentation

Research on LEO constellations enhancing GNSS orbit determination and precise point positioning

Junjun Yuan
8 14:35-15:20 14:35-15:20 Comment

Discussion

15:30-16:50 (UTC+8) 15:30-16:50 Local Time | Session 4.3 Techniques and Applications in High Precision GNSS
Discussion
Chairs:
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 15:30-15:35 15:30-15:35 Oral Presentation

A new ambiguity resolution method for single-receiver LEO precise orbit determination

Xingyu Zhou
2 15:35-15:40 15:35-15:40 Oral Presentation

A simplified reduced dynamic orbit determination for LEOs with orbit variation constraints

Shoujian Zhang
3 15:40-15:45 15:40-15:45 Oral Presentation

LEO’s Contribution on Ambiguity and Positioning Convergence in Urban Canyons

Yanning Zheng
4 15:45-15:50 15:45-15:50 Oral Presentation

Performance Analysis of GNSS Augmented by LEO Constellation

Xing Su
5 15:50-15:55 15:50-15:55 Oral Presentation

Rapid earthquake rupture process inversion with real-time high-rate GPS displacements

Jianfei Zang
6 15:55-16:00 15:55-16:00 Oral Presentation

Rupture process variations analysis of the 2020 Mw7.4 La Crucecita, Oaxaca, Mexico Earthquake using high-rate GPS, InSAR and Teleseismic data

Guisen Wen
7 16:00-16:05 16:00-16:05 Oral Presentation

Validation and Evaluation of BDS-3 PPP-B2b service

Haibo Ge
8 16:05-16:50 16:05-16:50 Comment

Discussion

17:00-18:20 (UTC+8) 17:00-18:20 Local Time | Session 3.1 Earth Rotation, Low-degree Gravitational Change and Mass Transport in Geophysical Fluids (Joint with ICCC); Session 3.2 Observations and Modeling of Deformation Related to Changing Ice Loads
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 17:00-17:05 17:00-17:05 Oral Presentation

Chandler wobble excitation by external geophysical fluids estimated from GRACE gravity data

Aleksander Brzezinski
2 17:05-17:10 17:05-17:10 Oral Presentation

Effects of the observed Earth’s oblateness variation on precession-nutation: A first assessment

Jose M. Ferrandiz
3 17:10-17:15 17:10-17:15 Oral Presentation

The Earth and Mars’ Variable Rotations Excited by Surficial Fluids

Yonghong Zhou
4 17:15-17:20 17:15-17:20 Oral Presentation

Why the Earth accelerates its rotation since 2016?

Leonid Zotov
5 17:20-17:25 17:20-17:25 Oral Presentation

Long-Range Predictability of the Length of Day and Extratropical Climate.

Adam Scaife
6 17:25-17:30 17:25-17:30 Oral Presentation

Surface mass balance loading displacement as a dominant source of error in GPS estimates of Antarctic glacial isostatic adjustment and its relevance to a critical sector of East Antarctica

Matt King
7 17:30-17:35 17:30-17:35 Oral Presentation

Spatio-temporal evolution of the Greenland ice sheet and associated deformation of the Earth: a multi-technique geodetic approach

Ana Sanchez
8 17:35-18:20 17:35-18:20 Comment

Discussion

2021-07-02 (UTC+8) Fri 2021-07-02 Local Time

14:00-15:20 (UTC+8) 14:00-15:20 Local Time | Session 3.2 Observations and Modeling of Deformation Related to Changing Ice Loads; Session 3.3 Geodetic Observations in Volcanic and Tectonically Active Areas
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 14:00-14:05 14:00-14:05 Oral Presentation

Bedrock uplift in response to recent ice-mass variability on northern Marguerite Bay, Antarctic Peninsula

Nahidul Hoque Samrat
2 14:05-14:10 14:05-14:10 Oral Presentation

The mid-Holocene sea-level highstand and Glacial Isostatic Adjustment modelling

Tanghua Li
3 14:10-14:15 14:10-14:15 Oral Presentation

Spatiotemporal glacial isostatic model resolution testing for small ice loads: Input parameter recommendations and examples for mountain galciers in southcentral and southeast Alaska

Kimberly DeGrandpre
4 14:15-14:20 14:15-14:20 Oral Presentation

Crustal rheology and heterogeneity impact on tectonic stress characteristics of North China revealed by GNSS observations

Yuan Gao
5 14:20-14:25 14:20-14:25 Oral Presentation

InSAR-derived earthquake catalog: Source locations and focal mechanisms of 30+ earthquakes (Mw4.1-6.6) in west China from time-series Sentinel-1 SAR images

Teng Wang
6 14:25-14:30 14:25-14:30 Oral Presentation

Complementary afterslip process following the 2016 Mw 7.8 Kaikoura earthquake from ~4 years GPS observations and its implication for seismic hazard

Lupeng Zhang
7 14:30-14:35 14:30-14:35 Oral Presentation

Causative fault geometries of two blinded dip-slip earthquakes in the interior of Asia Continent revealed by InSAR

Yuqing He
8 14:35-15:20 14:35-15:20 Comment

Discussion

15:30-16:50 (UTC+8) 15:30-16:50 Local Time | Session 3.3 Geodetic Observations in Volcanic and Tectonically Active Areas
Discussion
NO. China Standard Time (UTC+8) Local Time Type Subject Speaker
1 15:30-15:35 15:30-15:35 Oral Presentation

Grey Wolf Optimal Combination Algorithm for Inversion of Seismic Source Parameters: A Case Study of the Bodrum-Kos earthquake in 2017

Longxiang Sun
2 15:35-15:40 15:35-15:40 Oral Presentation

Time-dependent Modeling of the Long-lasting Afterslip due to the 2016 Moderate Earthquakes along Chaman Fault using InSAR Time Series

Masato Furuya
3 15:40-15:45 15:40-15:45 Oral Presentation

Horizontal and vertical deformation rates linked to the Magallanes-Fagnano Fault System, Tierra del Fuego: interpretation of the geodetic observations in the context of geological evidence and the current seismic cycle

Luciano Pedro Oscar Mendoza
4 15:45-15:50 15:45-15:50 Oral Presentation

Monitoring The Activity of Changbaishan Tianchi Volcano with Time Series InSAR and Geophysical Modeling

Jiaqi Zhang
5 15:50-15:55 15:50-15:55 Oral Presentation

Estimation and correction of error sources in MTInSAR

Hongyu LIANG
6 15:55-16:00 15:55-16:00 Oral Presentation

On the detection of structural breaks in GNSS station coordinate time series caused by earthquakes using machine learning

Laura Crocetti
7 16:00-16:50 16:00-16:50 Comment

Discussion

IAG2021-Beijing-Poster

2021-06-28 (UTC+8) Mon 2021-06-28 Local Time

16:40-17:15 (UTC+8) 16:40-17:15 Local Time | Session 1.3 Terrestrial and Space Geodetic Ties for Multi-technique Combinations
Discussion
NO. Type Subject Speaker
1 E-Poster

A Study on Differencing Approaches for SLR Observations

Iván Herrera Pinzón
2 E-Poster

Assessment of Local VLBI Baselines: The Wettzell Case

Iván Herrera Pinzón
3 E-Poster

Close Range Photogrammetry for High Precise Reference Point Determination – A proof of concept at Satellite Observing System Wettzell

Michael Lösler
4 E-Poster

Radar Corner Reflector installation at the OCA geodetic Observatory (France)

Xavier Collilieux
5 E-Poster

Datum problem in terrestrial local ties

Ulla Kallio
6 E-Poster

Intra- and Inter-Technique Atmospheric Ties: Derivation, Implementation, and Results

Kyriakos Balidakis
7 E-Poster

Differences in geocenter coordinate estimates delivered from GPS, GLONASS, and Galileo

Radosław Zajdel
8 E-Poster

Determination of Galileo and GLONASS orbits based on combined SLR and GNSS data

Grzegorz Bury
9 E-Poster

SLR station range bias and coordinate determination using independent multi-LEO DORIS- and GNSS-based precise orbits

Heike Peter
10 E-Poster

Combination of SLR observations to LEO, LAGEOS, LARES, and GNSS satellites

Dariusz Strugarek
17:15-18:00 (UTC+8) 17:15-18:00 Local Time | Session 2a.3 Local and Regional Geoid and Gravity Modelling
Discussion
NO. Type Subject Speaker
1 E-Poster

Examining the optimal depth of the condensed topographic masses for precise geoid determination based on the Stokes-Helmert scheme – A case study in Colorado

Koji Matsuo
2 E-Poster

Local gravity field modelling in spatial domain using the FEM approach on the discretized Earth's surface: case study in Slovakia

Robert Cunderlik
3 E-Poster

Gravimetric Geoid Modeling by Stokes and Second Helmert’s Condensation Method in Yogyakarta, Indonesia

Brian Bramanto
4 E-Poster

Preliminary results of the spatial distribution of tidal factors measured by recent continuous gravity stations

Jin Wei
5 E-Poster

Improved geoid models in Taiwan and its offshore islands

Huang Wenhsuan
6 E-Poster

Gravimetric quasigeoid modelling by the GGI method in the Colorado mountains area

Marek Trojanowicz
7 E-Poster

On the computation of the complete geoid-quasigeoid separation term for the experiential geoid 2020

Yan Ming Wang
8 E-Poster

A new model of the quasigeoid for the Baltic Sea area

Adam Łyszkowicz
9 E-Poster

The improvement of global earth’s gravity field model with airborne gravity data: case study in Maowusu

Wei Liang
10 E-Poster

Assessments on Terrestrial Gravity Data Grid Densification and Its Effects on Local Geoid Modeling Accuracy

Muhammed Raşit Çevikalp
11 E-Poster

Gravimetric Geoid Modelling Using the Least Squares Modification of Hotine Integral in Turkey

Mustafa Serkan Işık
12 E-Poster

Filtering and downward continuation of GOCE SGG data for regional geoid improvement

Georgios Vergos
13 E-Poster

An oral rebuttal to “the shape of the quasigeoid”

Marcelo Santos

2021-06-29 (UTC+8) Tue 2021-06-29 Local Time

14:00-14:35 (UTC+8) 14:00-14:35 Local Time | Session 1.4 Regional reference frames and networks; Session 1.5 Comparison and combination of space geodesy techniques
Discussion
NO. Type Subject Speaker
1 E-Poster

Towards an European Deformation Model

Elmar Brockmann
2 E-Poster

ADELA :Analysis of DEformation beyond Los Andes(2009-2021). The urgency to change from static to kinematic in any geodetic reference frame for Chile

José Antonio Tarrío Mosquera
3 E-Poster

A three-dimensional crustal velocity field in mainland China from denser permanent GPS networks

Zhicai Li
4 E-Poster

Crustal block modelling using a combination of Euler pole and cluster analysis of GNSS velocities in Greece

Stylianos Bitharis
5 E-Poster

GEODETIC DATUME TRANSFORMATION WITH THE MINIMUM CURVATURE SURFACE INTERPOLATION APPRROACH in IRAQ

Yasir Ammar Abed Al-husseinawi
6 E-Poster

Frame accuracy of daily/weekly combined EPN solutions

Christopher Kotsakis
7 E-Poster

ITRF densification in Cyprus

Christopher Kotsakis
8 E-Poster

BEV DC 2.0

David Mayer
9 E-Poster

Extraction of common mode error of GNSS coordinate time series in Xinjiang with independent component analysis

Chuanjin Lei
10 E-Poster

Astronomy VLBA campaign MOJAVE used in geodesy

Hana Krasna
11 E-Poster

Automatic detection of offsets in GNSS station position time-series using DIA and multivariate analysis algorithm

Jin Zhang
12 E-Poster

The NTSC geodetic VLBI system and its application of UT1 measurements

Yuanwei WU
13 E-Poster

Estimation of Earth rotation parameter UT from Lunar Laser Ranging observations

Liliane Biskupek
14 E-Poster

Geodetic VLBI observations in single-frequency mode with 30-meter Warkworth radio telescope

Oleg Titov
14:35-15:20 (UTC+8) 14:35-15:20 Local Time | Session 2a.4 Global Gravity Field Modelling; Session 2a.7 Topography and Bathymetry Gravity Modelling (joint w. ICCT); Session 4.2 Next Generation Positioning
Discussion
NO. Type Subject Speaker
1 E-Poster

Numerical Algorithm and Realization of Ellipsoidal Harmonic Expansion of the Earth Gravity Field

Cong Liu
2 E-Poster

On the Fast Computation of Model Gravity Gradient Tensor

Zhibin Xing
3 E-Poster

Analysis of the potential contribution of the Tianwen-1 extended mission to the solution of Mars' low-order gravity field

Shanhong LIU
4 E-Poster

Reconstruction of mathematical foundations for satellite gravimetry from tracking: solutions to problems incorrectly solved for 100 years

Peiliang Xu
5 E-Poster

Bathymetry of northeast Greenland revealed by Oceans Melting Greenland (OMG) airborne gravity

Junjun Yang
6 E-Poster

The omission error modelling of global gravity field models using different digital terrain models

Martin Pitonak
7 E-Poster

Marine Gravimetry, Ship Sounding and Ocean Bottom Topography Estimation in the South-western Coastal Area of the Baltic Sea

Biao Lu
8 E-Poster

Multipath Characterization using Ray-Tracing in Urban Trenches

Lucy Icking
9 E-Poster

Analysis of BDS Two-way Time Synchronization

Bin Wang
10 E-Poster

GNSS positioning accuracy of smartphones and sports watches

Piotr Patynowski
11 E-Poster

VISION BASED NAVIGATION IN INDOOR ENVIRONMENT: EVALUATION OF PERFORMANCE USING SMARTPHONE SENSOR

Fickrie Muhammad
12 E-Poster

Geomatics and Soft Computing techniques for road infrastructure monitoring: a case study

Antonino Fotia
13 E-Poster

Fusion of GNSS/INS and Maps for lane-level vehicle navigation

Emerson Cavalheri
14 E-Poster

Robust constrained Kalman filter with GNSS/INS vehicle tightly coulpled navigation application

Meng Zhang
15 E-Poster

A State-Domain Robust Fault Detection Algorithm for GNSS/INS Integration Positioning

Zhangjun Yu
15:30-15:45 (UTC+8) 15:30-15:45 Local Time | Session 2a.2, 1.6 Vertical Reference Systems: Methodologies, Realization, and New Technologies (Joint W. s5, ICCT, QuGe);
Discussion
NO. Type Subject Speaker
1 E-Poster

Can the Earth Gravitational Model augmented by the Topographic Gravity Field Model realize the International Height Reference System accurately?

Jianliang Huang
2 E-Poster

An overview of SIRGAS activities towards the IHRF

Gabriel Guimaraes
3 E-Poster

An Investigation on the Geoid-Quasigeoid Separation with the Case Study in Colorado, U.S.

Mustafa Serkan Işık
4 E-Poster

GEOPOTENTIAL NUMBER FOR THE IHRF ESTABLISHMENT IN BRAZIL

Valeria Silva
5 E-Poster

Estimation of vertical datum parameters of Hong Kong using the GBVP approach based on combined global geopotential models

Panpan Zhang
6 E-Poster

Using kriging interpolation for local geoid construction: accuracy evaluation in dependence of point density

Claudio Parente
15:45-16:50 (UTC+8) 15:45-16:50 Local Time | Session 4.1 Geodetic Remote Sensing (Joint with ICCC)
Discussion
NO. Type Subject Speaker
1 E-Poster

Recent activities of the JWG 4.3.4 - Validation of VTEC models for high-precision and high resolution applications

Anna Krypiak-Gregorczyk
2 E-Poster

Near Real-time Regional Ionospheric Modeling and Navigation Enhancing

Chunyuan Zhou
3 E-Poster

ASHAK: Adjusted Spherical Harmonic and Kriging method for Regional Ionospheric TEC Modeling

Ang Liu
4 E-Poster

BDS/GNSS Atmospheric Monitoring And Retrieval Terminal (BDSMART): Progress and Experiment

Ningbo Wang
5 E-Poster

A New Method of Predicting the Global Ionospheric Map

Yan Zhang
6 E-Poster

An improved method for real-time tropospheric delay modeling with a regional GNSS network

Hongxing Zhang
7 E-Poster

An operational GNSS processing system for near-real-time tropospheric ZTD and IWV monitoring in South America: breaking the 2-hour lateness barrier!

Juan Manuel Aragón Paz
8 E-Poster

High-precision SLR tropospheric zenith delay prediction

Haoyue Zhang
9 E-Poster

The inversion, characterization and assessment of 3-D water vapor using tomography during typhoon weather over Hong Kong

Laga Tong
10 E-Poster

Estimation of 4D Atmospheric Water Vapor from GNSS and Infrared Sensor Data: A Combined Tomography Approach

Wenyuan Zhang
11 E-Poster

Sensitivity of ship-borne GNSS troposphere retrieval to processing parameters

Aurélie Panetier
12 E-Poster

Development of the next-generation GNSS-Meteo stations

Matthias Aichinger-Rosenberger
13 E-Poster

Bounding the Residual Tropospheric Error by Interval Analysis

Jingyao Su
14 E-Poster

An enhanced atmospheric model of integrating GNSS CORS network and ERA5 for augmenting PPP-RTK

Yaxin Zhong
15 E-Poster

Analysis of tropospheric estimates from multi-frequency low-cost GNSS receivers

Katarzyna Stępniak
16 E-Poster

A global latitude zone weighted mean temperature (Tm) augment method for empirical Tm model

Fei Yang
17 E-Poster

Spatial-Temporal Characteristics of the Tropopause Height over Global Tropical and Subtropical Regions Using COSMIC-2 Radio Occultation Data

Jiaqi Shi
18 E-Poster

An empirical zenith wet delay model using piecewise height functions based on a sliding window algorithm for China

Ge Zhu
19 E-Poster

Sea level estimation using signal strength indicator data based on GNSS multipath reflectometry

Nazi Wang
20 E-Poster

GNSS-R coastal sea level altimetry with an open-source low-cost sensor: initial evaluation of high elevation angle satellites

Manuella Fagundes
21 E-Poster

Multi-mode multi-frequency GNSS-IR combination method for water level retrieval

Xiaolei Wang
22 E-Poster

GNSS-R monitoring of St. John river water levels: implementation and first results

Marcelo Santos
23 E-Poster

InSAR modeling and deformation estimation for drilling soluble rock salt mine based on CT-PIM function

Xuemin Xing
17:00-17:30 (UTC+8) 17:00-17:30 Local Time | Session 1.1 International Terrestrial Reference Frame; Session 1.2 (Joint with ICCT) Advancements and open problems in global reference frame theory and methodology
Discussion
NO. Type Subject Speaker
1 E-Poster

The 2021 Local Ties Campaign at GRAZ

Helmut Titz
2 E-Poster

Local Ties at SLR station Riga

Kalvis Salmins
3 E-Poster

Shimosato co-location of the SLR and GNSS stations

Yuto Nakamura
4 E-Poster

Evaluation of the IGS contribution to ITRF2020

Paul Rebischung
5 E-Poster

Geodetic VLBI data processing of the specific experiments

Anastasiia Girdiuk
6 E-Poster

The impact of the EOT20 global ocean tide model on space geodetic measurements, satellite orbits and derived geodetic parameters

Mathis Blossfeld
7 E-Poster

Assessing daily and sub-daily ocean tidal loading displacements using GPS, Galileo, and GLONASS observations

Hanane Ait-Lakbir
8 E-Poster

Densification of the VLBI network in the Southern hemisphere: advanced simulation for a VLBI antenna on Tahiti

Vladimir Schott Guilmault
9 E-Poster

Modelling and prediction of GPS time series with machine learning approaches

Wenzong Gao
10 E-Poster

Denoising method of elevation time series based on CEEMD algorithm and time-lapse multi-scale permutation entropy

Haoran Li
11 E-Poster

The cross-correlations of the Helmert transformation parameters as an additional diagnostic tool for Terrestrial Reference Frames assessment

Dimitrios Ampatzidis
12 E-Poster

Observation density method for selecting independent baselines in GNSS network

Tong Liu
13 E-Poster

A Refined Global GNSS Velocity Field Modeling Station Seismic Deformation based on Constrained Nonlinear Optimization

Yingying Ren
14 E-Poster

Periods Extraction of GNSS Coordinate Time Series Based on Significance Level

Yanfeng JIA
17:30-18:20 (UTC+8) 17:30-18:20 Local Time | Session 2a.1 Terrestrial, Marine and Airborne Gravimetry (joint with QuGe); Session 4.1 Geodetic Remote Sensing (Joint with ICCC)
Discussion
NO. Type Subject Speaker
1 E-Poster

A Magnetic Field Calibration Approach to Mitigate Accelerometer Errors in Strapdown Gravimetry

Felix Johann
2 E-Poster

Strapdown airborne gravimetry: postprocessing algorithms and some results

Vadim Vyazmin
3 E-Poster

Moving base gravimetry on a land vehicle: The first results from a short traverse drive in central Turkey

İlyas AKPINAR
4 E-Poster

Determination Of The Vertical Gravity Gradient At A Few Sites Of The Absolute Gravity Network Of Algeria

Rabah HAMIDI
5 E-Poster

Validation of the Hellenic gravity network in the frame of the ModernGravNet project

Vassilios Grigoriadis
6 E-Poster

Preliminary Results of a Gravity Observing experiment at 848m under the earth surface

Xiaodong CHEN
7 E-Poster

Extracting Long‐Period Surface Waves Using Ambient Noise Data Recorded by Superconducting Gravimeters

Hang Li
8 E-Poster

The Airborne Gravity Measurement for Development of a New Precise Gravimetric Geoid Model in Japan

MASAHIRO NAKASHIMA
9 E-Poster

Gravity anomalies of large lakes from ICESAT-2 laser altimetry.

Ole Baltazar Andersen
10 E-Poster

Using the spaceborne GNSS-R coherent signals to detect the flood of South Asia

Qi Liu
11 E-Poster

Sea-ice signatures in coherently reflected GNSS signals: Findings from the MOSAiC expedition

Maximilian Semmling
12 E-Poster

Fast Snow Water Equivalent estimation with GPS interferometric reflectometry (GPS-IR) snow depth

Jiatong Wang
13 E-Poster

Detection of snow depth on the Tibetan Plateau by satellite-based GNSS-R

Wenxiao Ma
14 E-Poster

Satellite-based GNSS-R: A New Tool for Flood Monitoring —— Flood monitoring of the Yangtze River Basin in 2020 using CYGNSS data

Wenxiao Ma
15 E-Poster

Remote Sensing of Soil Moisture using Spaceborne GNSS Relectometry Measurements

Mina Rahmani
16 E-Poster

Cross-polarization Correction for Soil Moisture Retrieval Using GNSS SNR data

Mutian Han
17 E-Poster

The gridded tide corrections of the long-strip differential InSAR measurements estimated using the GPS network and tide models

Wei Peng
18 E-Poster

An alternative MTInSAR framework for deformation retrieval over areas with heavey decorrelation

Lei Zhang
19 E-Poster

Based on InSAR Monitoring and Discrete Element Numerical Simulation Research on the Damage Trend Mountain Deformation in Jinsha River Basin

Xiong Guohua
20 E-Poster

Based on Sentinel-1A images revealing the co-seismic and post-seismic deformation mechanism of the Ms6.4 Jiashi earthquake in Xinjiang in 2020

Wang Ting
21 E-Poster

The Study of the Coupling relationship between Land subsidence and Resources and Environmental carrying capacity in Plain area of Beijing

Rui Liu
22 E-Poster

Landslide Detection and Segmentation Using Mask R-CNN with Simulated Hard Samples

Jiang Wandong
23 E-Poster

Land subsidence monitoring in Tongzhou and Three Northern Counties of Langfang based on time series InSAR Technology

Sun GuangTong
24 E-Poster

Research on segmented fitting ranging model based on multiple filter

Wang Minmin

2021-06-30 (UTC+8) Wed 2021-06-30 Local Time

14:00-14:25 (UTC+8) 14:00-14:25 Local Time | Session 4.3 Techniques and Applications in High Precision GNSS
Discussion
NO. Type Subject Speaker
1 E-Poster

Virtual Reference Station Technology in Geological Hazard Monitoring

Qinglan Zhang
2 E-Poster

Adaptive Stochastic Model Based on LS-VCE for GNSS Kinematic Precise Point Positioning

Qieqie Zhang
3 E-Poster

Accuracy analysis of GNSS multi-system single point positioning algorithm with different cut-off altitude angles

Guanpeng Yin
4 E-Poster

BDSBAS-B1C Service Performance Evaluation Model and Experimental Analysis

Xiancai Tian
5 E-Poster

A New Underwater Positioning Model Based on Average Sound Speed

Yixu Liu
6 E-Poster

The evaluation of position and attitude accuracy for MS GNSS receiver with SD algorithm

Chenglong Zhang
7 E-Poster

BDS-3 SISRE assessment as well as comparison between D1 and B-CNAV (B-CNAV1, B-CNAV2 and B-CNAV3) navigation messages

Zhenghua Dong
8 E-Poster

The estimation of inter-receiver pseudorange biases and its impact on the BDS-2 GEO satellite precise orbit determination

Ran Li
9 E-Poster

Assessments on multi-GNSS real-time precise point positioning

Ruohua Lan
10 E-Poster

On the Limits of State-of-the-art GNSS Receivers in Frequency Transfer

Thomas Krawinkel
11 E-Poster

Precise orbit determination for FY3D satellite using onboard BDS and GPS observation data and orbit forecast accuracy analysis

Mingming Liu
12 E-Poster

Optimal kernel functions of Gaussian process regression for TEC prediction on the Ring of Fire region

Nhung Le Thi
14:25-14:55 (UTC+8) 14:25-14:55 Local Time | Session 5.1 Geodetic infrastructure for Earth System Monitoring
Discussion
NO. Type Subject Speaker
1 E-Poster

The importance of geodetic infrastructure and its connection to the UN 2030 Agenda

Martin Lidberg
2 E-Poster

GGOS Bureau of Networks and Observations: Network Status and Related Activities

Michael Pearlman
3 E-Poster

ILRS: Recent Progress and Plans

Ulrich Schreiber
4 E-Poster

Status of the future GGOS core site Metsähovi, Finland

Jyri Näränen
5 E-Poster

VLBI-GNSS co-location at the Ishioka Geodetic Observing Station

Saho Matsumoto
6 E-Poster

Determination of the Earth's mantle structure based on a joint analysis of gravimetric and seismometric earthquake recordings at the Borowa Gora Geodetic-Geophysical Observatory

Kamila Karkowska
7 E-Poster

New Daily Coordinates of GNSS CORS in Japan Based on the GEONET 5th Analysis Strategy

Naofumi Takamatsu
8 E-Poster

Interoperability of the GGOS-PL infrastructure in the framework of EPOS-PL+

Krzysztof Sośnica
9 E-Poster

Development of Wideband Receiver for Novel Ground-based Microwave Radiometer -field experiments of the new 20-60 GHz wide-band receiver and its implications to new development of the wide-band VLBI receiver-

Ryuichi ICHIKAWA
10 E-Poster

Two-dimensional mining surface deformation monitoring and accuracy analysis of ascending and descending SBAS and MSBAS InSAR

Qiuxiang Tao
11 E-Poster

Accuracy evaluation of gravity continuous observation at key comparison site of absolute gravimeter

Lishuang Mou
12 E-Poster

Four Achievable Control Schemes for Inertial Reference System in Space

Chunyu Xiao
13 E-Poster

The SUT Method for Precision Estimation of Mixed Additive and Multiplicative Random Error Model in Geodetic Measurement

Chen Tao
14:55-15:20 (UTC+8) 14:55-15:20 Local Time | Session 6.4 QuGe
Discussion
NO. Type Subject Speaker
1 E-Poster

Novel Sensors and Quantum Technology for Geodesy (QuGe)

Jürgen Müller
2 E-Poster

The MOCAST+ study: proposal of a quantum gravimetry mission integrating atomic clocks and cold atom gradiometers

Federica Migliaccio
3 E-Poster

A Simplified Comparison Between Two Proposed Designs for a Future Earth Gravity Mission With and Without Strongly Reduced Non-Gravitational Acceleration Noise Level Requirements

Peter Bender
4 E-Poster

Kalman-filter Based Hybridization of Classic and Cold Atom Interferometry Accelerometers for Future Satellite Gravity Missions

Alireza HosseiniArani
5 E-Poster

Gravity data acquisition with the transportable absolute Quantum Gravimeter QG-1

Nina Heine
6 E-Poster

Status of gravimetric measurements and modelling along a 10m atom interferometer

Manuel Schilling
7 E-Poster

Improved evaluation of the transportable strontium lattice clock at PTB for chronometric leveling

Ingo Nosske
8 E-Poster

A geodetic determination of the gravitational potential difference toward a 100-km-scale clock frequency comparison in a plate subduction zone

Yoshiyuki Tanaka
9 E-Poster

Determination of the geopotential difference and orthometric height difference based on the two-way satellite time transfer observations

An Ning
10 E-Poster

Geopotential difference determination by TWSTFT

Peng Cheng
11 E-Poster

Unifying the world height system based on gravity frequency shift equation via optic fibers

Anh The Hoang
12 E-Poster

Higher order ionospheric effects on microwave frequency transfer between spacecraft and ground station

Pengfei Zhang
15:30-15:50 (UTC+8) 15:30-15:50 Local Time | Session 2a.6, 2b.5 Gravity Inversion for Solid Earth (joint ICCT)
Discussion
NO. Type Subject Speaker
1 E-Poster

A Method of Determining Moho Topography from On-orbit GOCE Gravity Gradients: A Case Study in Tibetan Plateau

Chuang Xu
2 E-Poster

Research on the basement depth of Sichuan basin with real gravity data

Menglong Xu
3 E-Poster

Correlation between gravitational and magnetic anomalies and crustal susceptibility in the Three Gorges area, China

Yi Zhang
4 E-Poster

Possible Deep Structure and Composition of Venus with Respect to the Current Knowledge from Geodetic Data

Chi Xiao
5 E-Poster

Vertical Deformation Analysis with GNSS and GRACE Data in North China Using Independent Component Analysis

Tengfei Feng
6 E-Poster

Coseismic gravity changes of the Wenchuan earthquake observed by surface gravimetry