Numerical simulations of earthquake rupture induced by pressure perturbation
September 2024
The subsurface fluid injection can cause pressure increase within faults, leading to earthquake occurrences. However, the factors controlling earthquake rupture due to pressure perturbation remain poorly...
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Review of SAR imaging geodesy for glacier velocity monitoring
Available online 30 September 2024
The surface velocity is one of the most important characteristics of glaciers. Monitoring and mapping glacier movements are of great significance for the studies of sea-level rise, glacier mass balance...
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Reconstruction of ionospheric VTEC using empirical orthogonal function and its performance during extreme geomagnetic storm
Available online 30 September 2024
This paper demonstrates that the spatial distribution of the ionospheric TEC over the Indian region can be reconstructed with appreciable accuracy using minimal numbers of empirical orthogonal functions...
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Assessing machine learning models to generate permafrost distribution map in Solukhumbu, Nepal
Available online 25 September 2024
Permafrost is one of the key components of the cryosphere. Previous studies show that the extent of permafrost has shifted to higher elevations in Nepal. These researches, however, has been hampered...
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Galileo multi-day precise orbit determination using L-band and SLR data
Available online 16 September 2024
The continuously available satellites of European Galileo currently reach more than 25. To explore the rationality and reliability of the L-band and satellite laser ranging (SLR) data processing strategies,...
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Resolution analysis of the gravity survey network in the middle and south sections of Tan-Lu fault and recent changes in the gravity field
Available online 14 September 2024
In this paper, we computed the fractal dimension of three survey areas within the central and southern sections of the Tan-Lu fault zone using fractal analysis. Subsequently, simulations were conducted...
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Numerical simulation for large baseline interferometric imaging altimeter
Available online 21 August 2024
Sea topography information holds significant importance in oceanic research and the climate change detection. Radar imaging altimetry has emerged as the leading approach for global ocean observation,...
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Detection of effective imaging area of SWOT satellite in the Xizang Plateau
Available online 16 August 2024
The Surface Water and Ocean Topography (SWOT) mission represents a collaborative effort between physical oceanography and hydrology fields, aimed at exchanging detailed topography information characterized...
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Assessing GNSS hydrological monitoring capability across different climatic settings in China
Available online 10 August 2024
Vertical position changes of ground-based Global Navigation Satellite System (GNSS) stations have been used to study regional terrestrial water storage (TWS) changes. However, the feasibility is still...
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Assessment of the diurnal and semidiurnal signals induced by monument thermal effect with time series of very short GPS baselines
Available online 6 August 2024
The monument thermal effect (MTE) displacements could result in periodical signals with several millimeters magnitudes in the vertical and horizontal GPS position time series. However, the interaction...
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Improved LS+MAR hybrid method to UT1-UTC ultra-short-term prediction by using first-order-difference UT1-UTC
July 2024
Accurate ultra-short-term prediction of the Earth rotation parameters (ERP) holds paramount importance for real-time applications, particularly in reference frame conversion. Among them, diurnal rotation...
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Source model of the 2018 MW7.5 Papua New Guinea earthquake constrained by InSAR measurements: Insight into a blind rupture beneath the New Guinea Highlands
July 2024
The Southern Highland Fold and Thrust Belt (SHFTB), the boundary of the Australian plate and the New Guinea Highland block, significantly contributes to the convergent deformation along the plate boundary....
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Performance evaluation of HY-2 series satellites in marine gravity field recovery
July 2024
China has successfully launched four Haiyang-2 (HY-2) series altimetry satellites. HY-2A has attracted significant attention in gravity field recovery, but the performance of other HY-2 series satellites,...
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Predicting bathymetry based on vertical gravity gradient anomaly and analyses for various influential factors
July 2024
The prediction of bathymetry has advanced significantly with the development of satellite altimetry. However, the majority of its data originate from marine gravity anomaly. In this study, based on...
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Tidal modeling based on satellite altimetry observations of TOPEX/Poseidon, Jason1, Jason2, and Jason3 with high prediction capability: A case study of the Baltic Sea
July 2024
This research aims to optimize the utilization of long-term sea level data from the TOPEX/Poseidon, Jason1, Jason2, and Jason3 altimetry missions for tidal modeling. We generate a time series of along-track...
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Inversion method of deflection of the vertical based on SWOT wide-swath altimeter data
July 2024
The deflection of the vertical (DOV) is the key information in the study of ocean gravity field. However, in most areas, the precision of the prime component of DOV is significantly lower than that...
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Study on the vertical deformations induced by terrestrial water storage changes in Huang-Huai-Hai river basin
July 2024
Terrestrial water storage (TWS) variations are associated with water mass movements, which may cause the deformation displacements of the Global Navigation Satellite System (GNSS) stations. This study...
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Performance analysis of the tight combination of GPS, BDS, GALILEO, and QZSS mixed frequencies signals
July 2024
With the gradual development and modernization of satellite navigation systems, using observation information from multi-GNSS has become one of the hot-spot issues in recent years. Multi-system loose...
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Viscoelastic stress change from the 1931 MW7.8 Fuyun earthquake and its impacts on seismic activity around the Altai mountains
July 2024
The 1931 MW7.8 Fuyun earthquake occurred around the Altai mountains, an intracontinental deformation belt with limited active strain-rate accumulation. To explore whether seismic activity in this deformation...
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Slip rate and interseismic coupling along the Moxi-Shimian segment of the Xianshuihe fault, Eastern Qinghai-Xizang Plateau
July 2024
On September 5, 2022, the Luding M6.8 earthquake occurred in the Moxi-Shimian segment of the Xianshuihe fault, coinciding with the historical ruptured zone of the 1786 Moxi earthquake. Its seismogenic...
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Improved gravity field estimation by incorporating the Tiangong Space Station and next-generation CAI satellite gravity mission
Available online 22 July 2024
The next-generation gravity satellite mission equipped with the Cold Atom Interferometry (CAI) gradiometer has great potential for the Earth's gravity field estimation. Deploying a CAI gradiometer on...
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The analysis of crustal deformation patterns in the Tashkent region, Uzbekistan, derived from GNSS data over the period 2018–2023
Available online 16 July 2024
The Tashkent region is one of the most tectonically and seismically active areas in Uzbekistan. Although it is highly significant, the understanding and quantification of current deformation processes...
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