Review of the SBAS InSAR Time-series algorithms, applications, and challenges
March 2022
In the past 30 years, the small baseline subset (SBAS) InSAR time-series technique has emerged as an essential tool for measuring slow surface displacement and estimating geophysical parameters. Because...
Sedimentary facies interpretation of Gamma Ray (GR) log as basic well logs in Central and Lower Indus Basin of Pakistan
November 2016
Rocks and most type of soils emit Gamma Ray (GR) in varying amount. The emitting elements of primary gamma radiations include potassium 40, uranium, and thorium which are associated with rocks forming...
Analysis of the effect of the 2021 Semeru eruption on water vapor content and atmospheric particles using GNSS and remote sensing
January 2024
Mount Semeru, an active volcano in East Java, Indonesia, erupted on December 4, 2021, following extreme rainfall that caused an avalanche of hot pyroclastic flows and lava. The tropospheric conditions...
The 28 March 2025 MW7.7 Myanmar earthquake revealed by InSAR and POT observations: A supershear event with no shallow slip deficit
Available online 21 November 2025
On 28 March 2025, a shallow devastating strike-slip earthquake with a moment magnitude (MW) of 7.7 struck Mandalay, the second-largest city in Myanmar, marking the most powerful seismic event in this...
Performance of GPS and IMU sensor fusion using unscented Kalman filter for precise i-Boat navigation in infinite wide waters
May 2023
The Unmanned Surface Vehicle (USV) navigation system needs an accurate, firm, and reliable performance to avoid obstacles, as well as carry out automatic movements during missions. The Global Positioning...
A review of tidal triggering of global earthquakes
January 2023
Earthquake prediction remains a challenging and difficult task for scientists all over the world. The tidal triggering of earthquakes is being proven by an increasing number of investigations, most...
Present-day crustal deformation in central Sumatra, Indonesia derived from GNSS observation and tectonic implications
January 2026
Central Sumatra, Indonesia, is historically known for its significant seismic activities, most notably the devastating 1883 earthquake. In this study, we measured the interseismic deformation using...
Real-time earthquake magnitude prediction using designed machine learning ensemble trained on real and CTGAN generated synthetic data
May 2025
The earthquake early warning (EEW) system provides advance notice of potentially damaging ground shaking. In EEW, early estimation of magnitude is crucial for timely rescue operations. A set of thirty-four...
Review of SAR imaging geodesy for glacier velocity monitoring
May 2025
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...
Evidences of the expanding Earth from space-geodetic data over solid land and sea level rise in recent two decades
July 2015
According to the space-geodetic data recorded at globally distributed stations over solid land spanning a period of more than 20-years under the International Terrestrial Reference Frame 2008, our previous...
Factors controlling induced earthquakes in Oklahoma
Available online 24 January 2026
Injection-induced earthquake (IIE) caused by human activities has become a global problem due to the increased magnitude and frequency in recent decades. However, not all injections can induce earthquakes,...
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...
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...
Coseismic deformation and slip distribution of the 2025 MW7.1 Dingri earthquake constrained by GNSS and InSAR observations
Available online 6 February 2026
On January 7, 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...
Multi-temporal InSAR analysis for assessment of earthquake precursory deformation
Available online 6 November 2025
Ground deformation is a key parameter in interpreting precursory stress and strain patterns and provides valuable information for seismic studies. Interferometric Synthetic Aperture Radar (InSAR) is...
Unscented Kalman filter for a low-cost GNSS/IMU-based mobile mapping application under demanding conditions
March 2024
For the last two decades, low-cost Global Navigation Satellite System (GNSS) receivers have been used in various applications. These receivers are mini-size, less expensive than geodetic-grade receivers,...
Efficient 2-D MUSIC algorithm for super-resolution moving target tracking based on an FMCW radar
September 2024
Frequency modulated continuous wave (FMCW) radar is an advantageous sensor scheme for target estimation and environmental perception. However, existing algorithms based on discrete Fourier transform...
A navigation method for IMU/odometer fusion based on horizontal attitude constraints
January 2026
The current inertial measurement unit (IMU) and odometry fusion navigation algorithms often incorporate non-holonomic constraints (NHC) to obtain three-dimensional velocity in the navigation frame....
Spatial and temporal analysis of urban heat island effect over Tiruchirappalli city using geospatial techniques
May 2023
Alterations made to the natural ground surface and the anthropogenic activity elevate the surface and air temperature in the urban areas compared with the surrounding rural areas, known as urban heat...
Evaluation of regional ionospheric grid model over China from dense GPS observations
September 2016
The current global or regional ionospheric models have been established for monitoring the ionospheric variations. However, the spatial and temporal resolutions are not enough to describe total electron...
GNSS receiver autonomous integrity monitoring (RAIM) algorithm based on robust estimation
March 2016
Integrity is significant for safety-of-life applications. Receiver autonomous integrity monitoring (RAIM) has been developed to provide integrity service for civil aviation. At first, the conventional...
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...
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...
Evaluating global precipitable water vapor products from four public reanalysis using radiosonde data
November 2025
Precipitable Water Vapor (PWV) is a crucial parameter for short-term climate warnings and long-term climate monitoring. Due to their seamless spatiotemporal coverage, atmospheric reanalysis products...
Advances in time-frequency based geopotential determination
January 2026
The state-of-the-art optical atomic clocks and the time-frequency signal transmission open a fresh field for gravity potential (geopotential) determination. Various methods, including optical fiber...
