Numerical simulation of mid-lower crustal flow model in Sichuan-Yunnan constrained by GNSS observations
March 2026
The Sichuan-Yunnan region, located at the southeastern margin of the Qinghai-Xizang Plateau, serves as a key channel for the southeastward extrusion of plateau material. The characteristics of crustal...
A new model for estimating atmospheric weighted mean temperature from radiosonde and multi-mission GNSS radio occultation data
March 2026
In Global Navigation Satellite System (GNSS) meteorology, the atmospheric weighted mean temperature (Tm) is a critical intermediate parameter for converting zenith wet delay (ZWD) to precipitable water...
Sea level rise in the Baltic Sea: Data from Estonian coastal tide gauges over 30 years
March 2026
This study investigates the rate of sea level rise along the Estonian coastline of the Baltic Sea over the three decades (1993–2022) using tide gauge data and advanced analytical methods. Tide gauge...
Impact of flex power on inter- and intra- differential code bias variation
March 2026
Differential Code Bias (DCB) is the time delays between two different GNSS signals, which is crucial for GNSS positioning. Previous studies have shown that it can be significantly affected by the flex...
A comparison of hydrological loading deformations from GRACE mascon and load models with reprocessed IGS station positions
March 2026
Global Navigation Satellite System (GNSS) observations are critical for establishing high-precision terrestrial reference frames (TRF), but the environmental loading effects, particularly hydrological...
Empirical tropospheric zenith wet delay models with strong generalization capability based on a robust machine learning fusion algorithm
March 2026
Tropospheric zenith wet delay (ZWD) plays a vital role in the analysis of space geodetic observations. In recent years, machine learning methods have been increasingly applied to improve the accuracy...
Predicting BDS-3's short-term clock bias using the RIME-WNN model
March 2026
Aiming at the problems that the clock bias prediction model of the Wavelet Neural Network (WNN) is greatly affected by the selection of network parameters, and the Particle Swarm Optimization Wavelet...
Slow slip events detection algorithm based on an optimization-based signal decomposition framework: A case study in Cascadia zone
March 2026
Slow Slip Events (SSEs) are critical for understanding subduction zone tectonics and earthquake prediction; however their detection is challenged by low-magnitude-offsets and data gaps. To address these...
The 0S0 fundamental mode excited by Sumatra-Andaman earthquake: Parameters assessment using the maximum likelihood method
March 2026
This paper presents new estimations for all parameters (amplitude, frequency, quality factor, and initial phase) of the 0S0 Earth fundamental mode, which was triggered by the 2004 Sumatra-Andaman earthquake...
Geodetic slip rate and seismogenic depth of unmapped active faults in Yogyakarta, Indonesia, inferred from dense Global Navigation Satellite System campaign observation
March 2026
Yogyakarta was struck by a devastating MW6.3 earthquake, which intensified awareness about the seismic hazards in the region. This study investigates the kinematic slip rate and seismogenic depth of...
Improving BDS-2/3 satellite clock bias prediction using a TCN-Transformer framework with cross-attention mechanism
March 2026
Satellite clock bias (SCB) prediction is essential for enhancing the accuracy and reliability of real-time precise point positioning (RT-PPP) in Global Navigation Satellite Systems (GNSS). To address...
Extraction and identification of transient deformation after the Ludian earthquake
March 2026
This study investigates the transient deformation signals associated with the Ludian M6.8 earthquake, which occurred on June 22, 2014, in southwestern China, using Global Navigation Satellite System...
Integrating multi-source altimetry observations for gravity anomaly derivation in the South China Sea
Available online 14 March 2026
The Ka-band radar interferometer (KaRIn) on the Surface Water and Ocean Topography (SWOT) satellite provides wide-swath measurements, advancing satellite altimetry to enable high-resolution two-dimensional...
Tree rings record hydroclimatic fluctuations in the length of day
Available online 12 March 2026
Analyzing variations in the mantle’s rate of rotation and the length of day (ΔLOD)—the deviations of duration of a day from the nominal 86400 s—are important problems in Earth and planetary sciences...
Estimating the velocities of space-geodetic stations: the case of DORIS
Available online 11 March 2026
Velocity estimates derived from time series of space geodetic station positions are influenced by seasonal signals and noise present in these time series. Therefore, the insufficiently modeled trend...
PPP-based UAV modeling using Galileo HAS orbit/clock products and RTS smoother
Available online 9 March 2026
Unmanned aerial vehicle (UAV) remote sensing and mapping using real-time kinematic (RTK) require reference-station corrections and suffer from accuracy degradation over long baselines. To address these...
Comparative assessment of NIF and PCAIM for inverting equivalent fault slip in far-field scenarios
Available online 23 February 2026
The study utilized GPS deformation time series, network inversion filter (NIF), and principal component analysis based inversion method (PCAIM) to invert for postseismic equivalent fault slip, obtaining...
Coseismic deformation and hierarchical rupture processes of the 2024 Wushi earthquake revealed by Sentinel-1 InSAR and gradient techniques
Available online 23 February 2026
On January 23, 2024, an MW7.0 earthquake struck Wushi County, Xinjiang, China, near the boundary between the Tianshan Orogen and the Tarim Basin. To resolve the source geometry and surface rupture features,...
The multi-fault rupture and strain partitioning revealed by the coseismic surface deformation of the 2022 MS6.9 Menyuan earthquake
Available online 18 February 2026
This study integrated centimeter-level unmanned aerial vehicle (UAV) data, meter- to sub-meter-resolution Gaofen (GF) satellite imagery, and field investigations to map the coseismic surface ruptures...
Quasi-geoid modelling using a fixed GBVP solution based on Brovar series in the Colorado experiment area
Available online 16 February 2026
The solutions contributed to the Colorado 1 cm Geoid Experiment (CE) represent the state-of-the-art in precise high-resolution geoid and quasi-geoid modeling. They can be compared with other solutions,...
Evaluation of the impact of the biomass on GRACE-borne total water storage estimates in the Amazon Basin
Available online 14 February 2026
The Amazon Basin plays a central role in regulating global carbon and water cycles, yet the interaction between forest biomass changes and terrestrial water storage (TWS) remains insufficiently constrained....
Hybrid singular spectrum analysis and LSTM modeling for daily precipitation forecasting
Available online 7 February 2026
To address the limitations of traditional univariate time series methods in achieving accurate daily precipitation forecasts, this contribution proposes a hybrid predictive model that integrates singular...
ZTD model construction and its performance for large height difference Xizang by fusing ground-based GNSS and ERA5
Available online 6 February 2026
To address the limited performance of global zenith tropospheric delay (ZTD) models in representing strong elevation effects and local climatic variability over complex terrain in Xizang, a 0.25° ×...
Coseismic deformation and slip distribution of the 2025 MW7.1 Dingri earthquake constrained by GNSS and InSAR observations
Available online 6 February 2026
On 7 January 2025, an MW7.1 earthquake struck Dingri County, Xigaze City, southern Xizang. The epicenter was located on the western side of the Dengme Co Fault (DMCF) in the southern segment of the...
Sound speed profile-free GNSS-acoustic positioning using extended cubic spline function
Available online 3 February 2026
Acoustic range error is the dominant error affecting the positioning accuracy of GNSS-Acoustics (GNSS-A). To reduce the impact, the sound speed profile (SSP) measurement data are typically used. However,...
